6l80e Downshift Clunk


We see a now torque converter and a new drum also installed. The vehicle could roll away. Most of the time, when taken to the dealer, an entire engine rebuild or replace is how they solve the problem. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45, 6L50, 6L80, 6L90 valve body. Common Chevy Silverado 2500 HD Transmission Problems. This condition may be present in more than one forward gear or if. Road test vehicle performing 10-15 upshift and downshift cycles at light throttle through all six speeds. Hated it 1-2 shift sucked with a 53, down shift clunk BS. It just shifts way to fast. The reverse gear in particular, is easy to take for granted. The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, XLR, STS and CTS, Camaro, Corvette and G8. Some vehicles may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift. The timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. Discuss it at Forum View This TSB. 4l60e First gear problems. 4L 3V AL3P-7J104-AB (4x2) or AL3P-7J104-BB engine and equipped with a 6R80 automatic (4x4) part number after reprogramming is. 2% of all problems The powertrain is any part from the engine to where. In fact, I realized something. Page 1 Mine is tuned (6L80) and went soft after the Y-pipe and cats were replaced. 2011 GMC Truck Sierra - 4WD. Several months ago. 6L80 Transmission. Common Issues When Transmission Makes Clunking Noise. Dodge Challenger has a ton of factory wheel options and even more in the aftermarket. Most of the time, when taken to the dealer, an entire engine rebuild or replace is how they solve the problem. The "shock issue," is that some shocks used on Z71-trim pickup trucks were made with contaminated shock oil, causing them to dampen incorrectly. As the name suggests, automatic transmission valve body is a major component of a vehicle’s automatic transmission system. this condition may be caused by leaking 1-2-3-4 and 3-5-r clutch fluid seal rings (230). Page 2-Transmission etc. Re: 4L80E Transmission Problems: james d smith: 7-25-08 : Thank you for taking my question,A friend of mine wanted to buy my 1994 gmc 2500 4x4 diesel 6. COASTING LOW SPEED DOWNSHIFT, HARSH DOWNSHIFT TO 4TH GEAR—INTERMITTENT P0741 FORD: 2009 F-150 ISSUE a. I have noticed that while in gear when I get to a certain mph I can feel the car clunk. The Chevy 6L80 in the Silvie 1500, in which I spent a week, was much the same in that it never left me worried. The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain. '99 chevy 2500 116,000 mi- has a lound clunk when shifting from reverse to drive and drive to reverse. Vincent Ciulla is a certified master automotive technician who has diagnosed and repaired light trucks, domestic and foreign cars, and diesel engines, for more than three decades. I'm thinking that I need to shorten my interval. Experiencing hard downshift in automatic Experiencing hard downshift in automatic transmission at less than 15 mph. IMPORTANT BULLETINS AND PIs. Since my simple test combines half-shaft slop and diff slop, I haven't isolated the contribution of halfshaft vs. Discuss it at Forum View This TSB. U joints look fine. Maybe there is a detent cable that isn't connected or is rusted in the wide open throttle position. This winter the tailgate handle broke inside, dealer wants over $300 for a new one, NOT ! I'll use a screwdriver ! Last week I took a trip to Canada pulling a 20' boat and the rear universal joint went out - $200 more. 4L 3V engine and equipped with a 6R80 automatic transmission may exhibit the following symptoms during warm-up: a harsh 1-2 upshift, harsh 2-1 downshift while coasting 15 MPH (24 Km/h). Hey, I got an '08 with the 6 speed and a 5. Road test vehicle performing 10-15 upshift and downshift cycles at light throttle through all six speeds. 23935 Shift Kit 4R44E 4R55E 5R55E Transmission Shift kit 1994-07 4R44E 4R55E 5R55E shift kit. Multiple warehouse locations in Las Vegas and the East Coast gets you transmission parts fast. General Motors, LLC Eastern District of Michigan, mied-2:2019-cv-11044 COMPLAINT (CLASS ACTION) filed by All Plaintiffs against General Motors, LLC with Jury Demand. P0877 Transmission Fluid Pressure (TFP) Switch, Circuit Voltage Low. , 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 01-07-30-042E MAY 07 A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise 00-05-22-002J MAY 07 Disc Brake System - Warranty Service and Procedures 05-08-59-003E MAY 07 Body - Popping/Clicking Noise From Roof Near Windshield 06-00-89-029B MAY 07 Interior - Cleaning Seats, Carpet, Leather, Vinyl. Intro 1 © 2013 ATRA. Common Issues When Transmission Makes Clunking Noise. The AW4 was also used behind the AMC 2. (211 people reported this problem) Research and compare cars for sale at CarMax. Stopped by my dealer to drive a 2016 to see if it had the same issues, it does. They performed 14-07-30-001F on mine and the problems instantly went away. We have a 2004 Suburban with 122K miles on it. Now, after two cam. The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain. pdf Read/Download File Report Abuse. The 6L80 has a maximum RPM limit of 6500 RPM. This condition can be caused by the torque convertor clutch applying during the shift. THEGOLDPRO PlowSite Veteran. Suburban Transmission Problems 39 Answers. The u joints seem fine, rearend is still pretty tight. 3 rwd gas/flex with the 87 oct performance tune, Diablo trans shift, AFM OFF, YEEHAAA. If you purchase from right supplier, your new transmission will be upgraded beyond factory specifications, which means it will last considerably longer. This thread might become a sticky if enough prople have the same problems. Downshift clunk when stopping ; 1-2 slide or slide-bump ; 2-3 cutloose ; 3-2 kickdown cutloose. A torque converter uses an engine-driven turbine (fan) to push fluid. With franchises conveniently located coast-to-coast, Mister Transmission is the largest chain of transmission and driveline repair specialists in Canada. It works in a network form. COASTING LOW SPEED DOWNSHIFT, HARSH DOWNSHIFT TO 4TH GEAR—INTERMITTENT P0741 FORD: 2009 F-150 ISSUE a. In many cases the initial maintenance check is done at no cost (check with the service department for more information). Transmission repairs can be. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. The cable keeps the transmission from upshifting too soon if you are accelerating hard. Shifts have been consistent and smooth. *kb 01/08/2007. Transmission repairs can be. All right guys I’m reaching out to the experts here for help with my transmission problems. The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, XLR, STS and CTS, Camaro, Corvette and G8. I am very happy with the results, Throttle is better no pause like it should have been, trans 6L80 shift is firmer no shift hunting, No more drive line clunk, Engine starts and idles. September 2012, Volume 14, No. Technical Bulletin - #16-NA-411 - Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift - (Jan 20, 2017) - For 2016 Chevrolet Silverado - 2WD. There was an old design of a 4 piece case saver that required a bit of grinding on the center support. Ford Knew About Defective Transmissions for Years. Transgo SK-6L80 Shift Kit GM 6L80 6L80E 6L90 6L90E Transmissions (SK6L80)* $69. Discussion Starter • #1 • Nov 20, 2011. Tahoe 2009-10 6L80 CHEVROLET 'Tahoe' AUTOMATIC '6L80' TRANSMISSION PARTS Tahoe Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. 027:1, 6th is 0. 3, mods are a BullyDog programmer and a single to dual magnaflow and AFE intake and spacer. The Ford 6R80 Transmission. Other gears function normally. Check the engine oil level. This will be of some help: 1. models cadillacs, chevrolets, gmc, hummers. Well, that is a lot of money, and I'm pretty good with a wrench. Road test vehicle performing 10-15 upshift and downshift cycles at light throttle through all six speeds. It only seems to happen when downshifting under braking at low speeds and as best I can tell the noise is associated with the automatic. About two months ago, after driving about 50 or 60 miles, the transmission would shift very hard going from first to second and then from second to third. Seen that many times. 2003 Chevrolet Avalanche with harsh and suden unexpected down shifts. That’s a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. 6L80: 143. CLUNK: A heavy thumping or bumping sound that does not reverberate and may even seem to be muted. 2007 Chevrolet Silverado Clunk Noise Fix - Duration: 7:14. Corrects/Prevents/Reduces: 3-2 clunk, when stopping 20-14 mph; Slow, soft, extended or bind up 2-3 shift. FORD KNEW ABOUT DEFECTIVE TRANSMISSIONS FOR YEARS. 23:1 axle ratio which makes the numbers not. JeffNY Senior Member. I pulled over, turned the ignition off and on again, and the truck operated normally. There is a lot of ground to cover here, so let’s jump in right away with a series of bullet points for a variety of transmissions. Letting it warm up for a minute makes the problem go away. If this is your first visit, be sure to check out the FAQ by clicking the link above. TSB Number: 16NA338 NHTSA Number: 10135274 TSB Date: October 7, 2016. To learn more, see reviews below or submit. The body directs pressurized transmission fluid to a network of valves that put together appropriate clutch packs for smooth gear functioning. When the vehicle is new, follow the maintenance schedule to the letter, record it in your owner's manual and keep all receipts to protect the warranty. 3: Rear: 2013 Chevrolet Silverado 1500 Drive Shaft - Rear Dorman 1999-2004 Chevrolet Silverado 1500 Series Regular Cab (New Style) 2000-2004 Chevrolet 1500 Series Avalanche, Suburban and Tahoe • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042. 27) Meanwhile, if I googled the right specs, the DSG has a 3. Whether you need 6R80 wiring diagram information, 6R80 transmission rebuilders tips, 6R80 technical information, 6R80 diagnostics, 6R80 troubleshooting help, or just. NEWS: GM is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban and Tahoe, GMC Sierra 1500, Yukon and Yukon XL vehicles, and 2009-2011 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles; AIR BAGS. pdf), Text File (. Welp, I seemed to have killed my 3rd gear sychro. 4l60e First gear problems. 2017 Chevrolet Silverado LT. Now, after two cam. (the 6L80/6L90 on the newer gasser trucks also has similar safety features to the allison) 4L60's and 4L80's dont have any of those safety features though, so dont try it on a 4-speed truck. – achabacha322 Feb 12 '16 at 20:35 1 In an automatic, the gears are always engaged. This eliminates the accidental 3-1 downshift heavy kickdown shift which inevitably burns the band over time. Campaign: 13V001000 on 01/01/2013 Component: Power train:automatic transmission Manufactured: 11/19/2012 - 12/17/2012 Affected: 54,686 Defect: General motors (gm) is recalling certain model year 2013 cadillac escalade, escalade esv, and escalade ext; chevrolet avalanche, express, silverado hd, silverado ld, suburban, and tahoe; and gmc savana, sierra hd, sierra ld, yukon, and yukon xl vehicles. A solenoid pack, which includes all the solenoids for a particular vehicle/transmission can cost from $65 to several hundred dollars or more. 104984-01 OE Part No: 24238700 GM 6L80/6L90 1-2-3-4 pistons commonly crack due to cantilevered stress on the cast material. THEGOLDPRO PlowSite Veteran. Hard transmission downshift vs. CLASSIFICATION: SHIFT KIT FITS: THM 700R4 81-Up FEATURES: Corrects/Prevents/Reduces: Absolutely prevents Stuck TV valve. 6L80 Remanufactured Valve Body GM6L80E. Once owned by 'The King of NASCAR,' Demon is the 43rd off the assembly line and was. This means the least you will pay for labor is $120 and the most you will pay is $400. Several months ago. natures child Posts: 8 Joined: Thu Feb 06, 2014 4:41 pm Car: 1999 Infiniti QX4 2004 Ford F150 FX4 1964 Pontiac GTO. Re: 2014 Silverado Transmission Problems I am currently experiencing the exact same symptom. Examine the PCM. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45, 6L50, 6L80, 6L90 valve body. Cliffs: Have them lookup TSB# 14-07-30-001G or find the same if you have the the 6-speed. Unfortunately, some of the truck owners find the weak link of the entire truck/drivetrain combination. The "shock issue," is that some shocks used on Z71-trim pickup trucks were made with contaminated shock oil, causing them to dampen incorrectly. The cable keeps the transmission from upshifting too soon if you are accelerating hard. 00:00 00:00 GO LIVE. 6l80 automatic transmission 4-5 upshif slip/flare resulting in a harsh shift or clunk, mil illuminated, dtc p0756 set. Maybe 1/16th of a turn on the joke and the corresponding. Maybe a little bit agressive as far as shifting goes but not too bad. Top 10 Signs of Transmission Trouble. Exclusive forum for vendors to list C8 products, services and promotions. 3L 6L80E, 2008 Colorado work beater, 2003 Dodge Dakota pro-touring project With the clunk getting stronger when you wait to shift between park and neutral, that says there's a restriction somewhere in the valve body that shouldn't be there. The timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. Common Issues When Transmission Makes Clunking Noise. Seminar Manual | UTE SUIS] REBUILDERS ASSOCIATION For over 35 years the "Good-Guys" 1990 SEMINAR HANDOUT Automatic Transmission Rebuilders Association 2472 Eastman Avenue #23 Ventura, California 93003 (805) 654-1700 Printed in fAIRB) ATRA 1990 SEMINAR Ey HANDOUT 440-74 L2SlipOr Cater vee Page 1,2,3 2:3 Slips & Flare-ups | LLL Page a's 2:1 Downshift Chunk Page 6. Read more General Motors reviews to learn about other models. Seminar Manual | UTE SUIS] REBUILDERS ASSOCIATION For over 35 years the "Good-Guys" 1990 SEMINAR HANDOUT Automatic Transmission Rebuilders Association 2472 Eastman Avenue #23 Ventura, California 93003 (805) 654-1700 Printed in fAIRB) ATRA 1990 SEMINAR Ey HANDOUT 440-74 L2SlipOr Cater vee Page 1,2,3 2:3 Slips & Flare-ups | LLL Page a's 2:1 Downshift Chunk Page 6. Messages: 484. GMC Yukon, Yukon XL Transmission Problems. Posts: 38 Likes. In addition, I noticed a heavy "clunk" when shifting between D & R. 23935 Shift Kit 4R44E 4R55E 5R55E Transmission Shift kit 1994-07 4R44E 4R55E 5R55E shift kit. Took to deal the 1st time only to be told that the transmission needed to be reprogrammed. Campaign: 13V001000 on 01/01/2013 Component: Power train:automatic transmission Manufactured: 11/19/2012 - 12/17/2012 Affected: 54,686 Defect: General motors (gm) is recalling certain model year 2013 cadillac escalade, escalade esv, and escalade ext; chevrolet avalanche, express, silverado hd, silverado ld, suburban, and tahoe; and gmc savana, sierra hd, sierra ld, yukon, and yukon xl vehicles. Shiftkit 6L45, 6L80, 6L90 2006-2016 Part # SK6L80 Reference # 45165A Extra information. 2% of all problems The powertrain is any part from the engine to where. I don't see anything for downshift, there is one for an upshift clunk. Most of the drivers usually send their damaged cars to repair shop for an emergency repair or for its maintenance. com, courtesy of Harry Heng. Alto clutches throughout and the sonnax 6l80 zip kit which has a boost valve and increased pressure spring. Also I get a lot of rumble strip noise since getting it outta limp mode. O this unit we see that it has already been repaired from the wavy plate that likes to break. We see a now torque converter and a new drum also installed. Maybe there is a detent cable that isn’t connected or is rusted in the wide open throttle position. 6L80 Remanufactured Valve Body GM6L80E. Chevy 4l60e transmission "clunk" when shifting between 1st and 2nd. When downshifting at low speeds (generally below 30mph) I sometimes, emphasis on sometimes as it is not every down shift, can hear the thunk noise of what as best I can tell is the car downshifting. Uploaded by. 6L80 6L90; 6R140 FORD; downshift clunk ; 3-4 clutch failure ; No lockup; 4L60E 4L65E 4L70E 700R4 350 TRANSMISSION ANTI-CLUNK SPRING FOR CENTER SUPPORT AC. Dealer has attemped repair several times without repairing the problem. Its only year in the ZJ Grand Cherokee was 1993, and only with the six-cylinder. That's a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. Posted by 5 years ago. yes, it will. You can put the rear driveshaft back in the transfercase and turn it back and forth and it clunks loudly with probably 30 degrees of spin on the output shaft. Some 2009 F-150 vehicles equipped with 5. Often comes from worn shock absorber or strut mounts when driving over a speed bump. The slip yoke in the middle of the driveshaft was a bit dry, but didn't feel sticky. During a 2-3 upshift, the 2-4 band is released and the 3-4 clutch is applied. Average failure mileage is 24,400 miles. Tahoe 2009-10 6L80 CHEVROLET 'Tahoe' AUTOMATIC '6L80' TRANSMISSION PARTS Tahoe Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. '10-Later GM '10-Later. '99 chevy 2500 116,000 mi- has a lound clunk when shifting from reverse to drive and drive to reverse. 9 Check Engine Light and a Condition of No Reverse a Neutral or a High Gear Start with Codes P0761 and P0873 Clunk Noise or Harsh 6-5 Downshift at 50 - 70 MPH Harsh 4-3 Downshift or Harsh 3-2 Downshift at Lower Speeds 6L80 4T80 Transmission PIP4554 PI0075 PI0324 PI0376 2007 - 2012 All RWD w/6L46/6L50. Common Chevy Silverado 2500 HD Transmission Problems. Luckily, I have some inclination as to what might be causing it but I'm not positive so I really need some help. com, courtesy of Harry Heng. 700r4 hd 4 pack: chevy corvette servo, shift kit &. yes, it will. Similarly, if you compare the GM 6L80 with the 8L90, first is 4. 3L - Stone White - 370,000 km (sold April 2018). Alright well normally I can feel my truck shift into drive or reavers but it's not but soons u put it into revers or drive or 1or 2 all it does is the rmp run up to around 2 rmp with out pushing gas peatl and when u do push gas nothing acts like it's in park or nutrule n sorry about my spelling it sucks I can't spell good but I can sure fix anything if I know the answers and where to start. Is this something that can be taken care of electronically or must be mechanically or both? I am experiencing a slight to large clunk on a gear downshift at low speeds. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. Corrects/Prevents/Reduces: 3-2 clunk, when stopping 20-14 mph; Slow, soft, extended or bind up 2-3 shift. Intermittent harsh shifting – Chevrolet Silverado 2500 HD 4L60E Problem – A common Chevy Silverado transmission problem is an intermittent hard 1-2 shift, often accompanied by engine bogging. 21-18-94 88-94 chassis cab - Automatic Transmission 4-3 Downshift Clunk 21-20-94 94-95 Checking Automatic Transmission Fluid Levels 21-21-94 94 4WD - New Transfer Case Front Output Seal & Oil Slinger. Hi everyone: Just a quick question on this topic; on my 1991 L98 automatic convertible, if I slow down and come to a stop in either Overdrive, or 2, the transmission will downshift smoothly with no noticable clunk, however if I have the car in "D", when I get down to around 5 mph or so, the trans will exhibit a noticable clunk when downshifting to 1st gear. and this only happens when the engine is cold. this may inadvertently lock all doors when servicing the vehicle. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. I have no torque management set at all and remember i have a SS3600 converterI experimented a little, and I found that I can eliminate the clunk most of the time if I revert back to stock the lower portion (TPS < 25%) of the PT 2-3 upshift table D0902 and the PT 3-2 downshift table D0907. 180 people found this helpful. GEARS August 2013 Alan McAvoy Alan McAvoy from Chrysler will be presenting another glimpse into your future with a look at the Chrysler 948TE 9-speed transaxle. 700R4 TRANSMISSION Shift Kit® TRANSGO SK®700 CORRECTS LATE SHIFTS ETC FITS '82-'93. Top 10 Signs of Transmission Trouble. 1-2-3-4 Piston Part No. While entering the vehicle. Most of the drivers usually send their damaged cars to repair shop for an emergency repair or for its maintenance. 08-20-2012 08:38 AM: Bo185: Its an 09. Column Shift Linkage Installation Instructions for GM TH350, TH400, 700-R4, TH200, TH200-4R, 4L60, 4L60E, 4L80E, and 6L80E. Refuses to Go Into Gear. Its only year in the ZJ Grand Cherokee was 1993, and only with the six-cylinder. Took it to the dealer and they said it was the TCM needing replacing to the tune of $1400. Transmission slipping, or gears slipping, is a common transmission problem and a real cause for concern. 2L V8 and 6 Speed Auto). Some vehicles may. The reason why I shift to neutral when stopping is because I have a jerky un-smooth downshift to first gear. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2. It is a heavy-duty version of the 6L80 six-speed automatic, with a. A harsh 1-2 shift following transmission service may be experienced in GM vehicles equipped with the 4L60E, 4L65E or 4L70E transmissions. @ 5300 rpm / Torque: 305 ft. valve body manual. Average rating from 127,991 customers who received a Vehicle Drivetrain Inspection. At least it does on my dads 2010 tahoe when you shift into reverse at speed. AXODE AXOD AX4S AX4N 4F50N Transmission Boost Valve Sonnax 96201-01K Fits all except 3. vehicle weights. I pulled over, turned the ignition off and on again, and the truck operated normally. 23:1 axle ratio which makes the numbers not. Late shifts, downshift clunk; 3-4 clutch failure; no lockup; 2-4 band failure; early shifts; 1-2 slide/slide-bump; reverse delay hot; 2-3 cutloose; reverse clutch failure. Common Issues When Transmission Makes Clunking Noise. Believe it or not, there are still quite a few people out there who practice the fading art of shifting manually, with a foot pedal and a "stick" gearshift, and who do so willingly. Every 250 miles or weekly. The AW4 is predominantly found behind the AMC 4. Seminar Manual | UTE SUIS] REBUILDERS ASSOCIATION For over 35 years the "Good-Guys" 1990 SEMINAR HANDOUT Automatic Transmission Rebuilders Association 2472 Eastman Avenue #23 Ventura, California 93003 (805) 654-1700 Printed in fAIRB) ATRA 1990 SEMINAR Ey HANDOUT 440-74 L2SlipOr Cater vee Page 1,2,3 2:3 Slips & Flare-ups | LLL Page a's 2:1 Downshift Chunk Page 6. I have no torque management set at all and remember i have a SS3600 converterI experimented a little, and I found that I can eliminate the clunk most of the time if I revert back to stock the lower portion (TPS < 25%) of the PT 2-3 upshift table D0902 and the PT 3-2 downshift table D0907. The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. The vehicle could roll away. 6L50 TCC Noise and/or Vibration Cadillac DTS may exhibit a "BOOM, VIBRATION, or NOISE" when TCC is applied. 5, 2017, and Feb. 19:1 first gear, a 0. Average failure mileage is 24,400 miles. Most of them have to do with an oil leak in the 4 cylinder version. models cadillacs, chevrolets, gmc, hummers. Erratic shifting. CLUNK: A heavy thumping or bumping sound that does not reverberate and may even seem to be muted. It offers two potent V8 engines, has excellent towing capacity, and features an upscale cabin with user-friendly technology, it has. The odd M6 and M4 four-speed semi-automatic transmissions. I was running all of the stock settings, but it seemed to like to lug the car more than I wanted it to and was harder to get it to downshift. AT2011 Ford - Free download as PDF File (. They stated they designed the transmission to shift flare and clunk when applying the brake. 2007 GMC Yukon Denali All-Wheel Drive that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. Maximum engine power: "555 bhp ( 414 kW )" Maximum engine torque: "550 lb-ft ( 746 Nm )" The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to it's beefier internals. Probably at the worst time. The 68RFE, a six-speed automatic transmission, hasn't started its journey of life as a dependable option. GM Hydramatic transmission. i tried going in reverse to get it off to the shoulder and it worked. The automatic transmission in your Chevy Silverado is a rugged, electronically-controlled 6-speed that is programmed to just work. 180 people found this helpful. This tansmission is typically used in 2007 and newer Chevrolet Corvette and Camaro, Cadillac CTS-V and Chevrolet and GMC pickup trucks and SUVs with gasoline engines. Hard transmission downshift vs. Vehicles Affected: Approximately 250,000 model-year 2018 Ford F-150 pickup trucks with 10-speed transmissions built at the Dearborn Truck Plant between Jan. The 6L80 has a maximum RPM limit of 6500 RPM. Luckily, I have some inclination as to what might be causing it but I’m not positive so I really need some help. This condition may be present in more than one forward gear or if. The M6, sold as Presto-Matic, Fluidmatic, Tip-Toe Shift, Gyro-Matic, and Gyro-Torque, was a two-speed manual transmission with an electric 1:1 ratio unit (loosely called an overdrive unit) attached. The salesman after the test drive pointed out the GM rep in the parking lot so I walked over and introduced. The GM 5L40-E transmission is very common in cars of a certain age and, as those cars continue to age, more and more of them are finding themselves in the shop for transmission faults. Valve Body Manual. The Shift Kit provides a specially designed tuff seal and expander wire to address this complaint. Technical Bulletin - #16-NA-411 - Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift - (Jan 20, 2017) - For 2016 Chevrolet Silverado - 2WD. That's a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. Several months ago. When it's cold, it will occasionally slip between gears. Shop online for GM, Ford and Dodge Transmission Parts and Torque Converters from PATC. Transgo SK-6L80 Shift Kit GM 6L80 6L80E 6L90 6L90E Transmissions (SK6L80)* $69. Most of them have to do with an oil leak in the 4 cylinder version. (And a final drive between 2. valve body manual. lockup-no wires needed GM Chevrolet Chevy 4L60E 4L65E Transmission Parts. Shop below for all Drive Shaft related parts for your Chevrolet Silverado 1500. free shipping. Discuss it at Forum View This TSB. One last run, then slowed, cruised in 4th, fliped a U-turn and grrrrriiiiiiiiiiiiiiinnddddd into 3rd :bomb: Well hell Drove it a bit. by Akweli Parker & Christopher Neiger. The timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. The check engine light came on. models cadillacs, chevrolets, gmc, hummers. It may also totally stall the shifting. There's a software update to eliminate that issue, as well as a bunch of other little bugs. natures child Posts: 8 Joined: Thu Feb 06, 2014 4:41 pm Car: 1999 Infiniti QX4 2004 Ford F150 FX4 1964 Pontiac GTO. Messages: 484. Many if I drive around 30 mph…. Not the clunk going into first gear (hell, I had an airhead BMW for years, I know clunk). The "shock issue," is that some shocks used on Z71-trim pickup trucks were made with contaminated shock oil, causing them to dampen incorrectly. Hard transmission downshift vs. The NAG1 (WA580 or W5A580) automatic transmission found in many Chrysler products is an electronically controlled 5-speed transmission system with a lock-up clutch in the torque converter. Like other transmission systems on vehicles, it allows an internal. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. When the solenoid fails or has any issues, it can cause problems with the vehicle’s shifting. The GM 5L40-E transmission is very common in cars of a certain age and, as those cars continue to age, more and more of them are finding themselves in the shop for transmission faults. 0L (242 ci) I6 engine. 3 rwd gas/flex with the 87 oct performance tune, Diablo trans shift, AFM OFF, YEEHAAA. I shift it and it don't feel like it's restring that's it's beening taking outa park because when I put it into drive or reverse n push the gas all it does is reave up the rpms n the it's sits in one spot. Orange Book. A harsh 4-3 downshift or other shift quality issues may develop. Soon as I started the truck later on I got a stabilitrak service, traction control service, check engine light, and the manual shift button , tow haul , and gear indicator in cluster not working. It only occured while accelerating. 3L 6L80E, 2008 Colorado work beater, 2003 Dodge Dakota pro-touring project With the clunk getting stronger when you wait to shift between park and neutral, that says there's a restriction somewhere in the valve body that shouldn't be there. I was running all of the stock settings, but it seemed to like to lug the car more than I wanted it to and was harder to get it to downshift. Because of this, the 6L80. 104740-09K* *Part numbers with an asterisk (*) are included in this Zip Kit. Shiftkit 6L45, 6L80, 6L90 2006-2016 Part # SK6L80 Reference # 45165A Extra information. It looks as if everything is setup properly I must be missing something. 23935 Shift Kit 4R44E 4R55E 5R55E Transmission Shift kit 1994-07 4R44E 4R55E 5R55E shift kit. Appears on downshift as well. Top 10 Signs of Transmission Trouble. Some vehicles may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift. We have a 2014 Buick Enclave that was slow to downshift, or just a really hard down shift, generally when making a turn. Once owned by 'The King of NASCAR,' Demon is the 43rd off the assembly line and was. We see a now torque converter and a new drum also installed. 7 seconds to help in taking up driveline lash and minimize clunk. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. Ninth is 0. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. So I've noticed that I've been hearing (not every time) a pop or clunk when downshifting (slowing down) in my 2013 1500 that has a locking rear differential. Matt63 Active Member. Hi everyone: Just a quick question on this topic; on my 1991 L98 automatic convertible, if I slow down and come to a stop in either Overdrive, or 2, the transmission will downshift smoothly with no noticable clunk, however if I have the car in "D", when I get down to around 5 mph or so, the trans will exhibit a noticable clunk when downshifting to 1st gear. 5, 2017, and Feb. VerticalScope Inc. If you purchase from right supplier, your new transmission will be upgraded beyond factory specifications, which means it will last considerably longer. Official C8 Forgeline C7 Corvette, 2014 - 2019. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. Stopped by my dealer to drive a 2016 to see if it had the same issues, it does. It works in a network form. •noise—“clunk” noise heard on 2-1 article no. 2014 Chevrolet Silverado 1500 Pickup 4. Road test vehicle performing 10–15 upshift and downshift cycles at light throttle through all six speeds. 700r4 hd 4 pack: chevy corvette servo, shift kit &. The customer wanted the ability to be able to change the tunes depending on the fuel to be used. Every 250 miles or weekly. However, the 4-speed automatic uses a throttle-valve (TV) cable as opposed to using a modulator to sense engine load like that found in the TH350 and TH400. 0L (242 ci) I6 engine. Transgo SK-6L80 Shift Kit GM 6L80 6L80E 6L90 6L90E Transmissions (SK6L80)* $69. *no/slips in drive and reverse *harsh 1-2 upshifts or down shift *soft 2-3 upshift and/or no or slips in third gear *no manual low range *no converter clutch apply 700-r4 harsh downshift clunk with selector in d3 only. 12/6/19 9:53 AM. Campaign: 13V001000 on 01/01/2013 Component: Power train:automatic transmission Manufactured: 11/19/2012 - 12/17/2012 Affected: 54,686 Defect: General motors (gm) is recalling certain model year 2013 cadillac escalade, escalade esv, and escalade ext; chevrolet avalanche, express, silverado hd, silverado ld, suburban, and tahoe; and gmc savana, sierra hd, sierra ld, yukon, and yukon xl vehicles. The delayed engagement forward or reverse and the 3-2 coast downshift clunk is an age associated complaint that sets in when the low-reverse piston housing. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. Further, the valves use the pressure of hydraulic. For example, a single transmission shift solenoid can cost anywhere from $15 to $100. P0877 Transmission Fluid Pressure (TFP) Switch, Circuit Voltage Low. That’s a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. Maybe a little bit agressive as far as shifting goes but not too bad. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. This combination of filters has no results. Here's what you need to know. The automatic transmission remaining momentarily in neutral, after we shift into gear, means we have a delayed engagement. gearsmagazine. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186. This is a discussion on 4l60e First gear problems within the Automatic Transmission forums, part of the Drivetrain category; OK well this is my first post and yes I did search but it's hard to search for this problem. 2001 atra semianr manual. Fordmaster - I purchased my 2014 Silverado LT at the end of June, 2104 and have experienced the exact same symptoms. Is this something that can be taken care of electronically or must be mechanically or both? I am experiencing a slight to large clunk on a gear downshift at low speeds. 2017 Chevrolet Silverado LT. Shifting into drive or reverse, we expect our vehicle to start moving. To see how frequently 2012 Chevrolet Silverado 1500 problems occur, check out our car reliability stats. The slip yoke in the middle of the driveshaft was a bit dry, but didn't feel sticky. During the reveal of the 2019 Chevrolet Silverado 1500 at the 2018 North American International Auto Show in Detroit, Chevy said the new truck would have six engine options. ©2019 Sonnax Transmission Company, Inc. FORD KNEW ABOUT DEFECTIVE TRANSMISSIONS FOR YEARS. 2007 chevy 2500hd 6. The salesman after the test drive pointed out the GM rep in the parking lot so I walked over and introduced. It offers two potent V8 engines, has excellent towing capacity, and features an upscale cabin with user-friendly technology, it has. A delayed engagement in the automatic transmission. 027:1, 6th is 0. downshift tuning. So, automatic transmission shifting hard might lead you to this worse scenario. One common trigger for major auto repairs is transmission problems. Road test vehicle performing 10-15 upshift and downshift cycles at light throttle through all six speeds. The NAG1 (WA580 or W5A580) automatic transmission found in many Chrysler products is an electronically controlled 5-speed transmission system with a lock-up clutch in the torque converter. What's the. This condition can be caused by the torque convertor clutch applying during the shift. 8 8 8 4 14 3 11 9 11 9 11 15 6L80 Pump Cover 7 1 18 16 7 5 6. The transmission completely failed at 18,000 miles and was replaced under warranty. TSB Number: 16NA338 NHTSA Number: 10135274 TSB Date: October 7, 2016. We have a 2014 Buick Enclave that was slow to downshift, or just a really hard down shift, generally when making a turn. The "shock issue," is that some shocks used on Z71-trim pickup trucks were made with contaminated shock oil, causing them to dampen incorrectly. For now he has decided to live with the downshift clunk. Prev NEXT. 01-08-12 08:16 PM - Post# 2177217 found this pretty useful FYI 4L60E common problems / failures By The Master - Posted on June 22nd, 2008 Before guessing at transmission problems, check the fluid level (car warmed up, engine running in Park on level ground) and have the PCM scanned for trouble codes FIRST. 9 Check Engine Light and a Condition of No Reverse a Neutral or a High Gear Start with Codes P0761 and P0873 Clunk Noise or Harsh 6-5 Downshift at 50 - 70 MPH Harsh 4-3 Downshift or Harsh 3-2 Downshift at Lower Speeds 6L80 4T80 Transmission PIP4554 PI0075 PI0324 PI0376 2007 - 2012 All RWD w/6L46/6L50. Mon, 07/30/2012 - 06:45 #1. 3, mods are a BullyDog programmer and a single to dual magnaflow and AFE intake and spacer. 2013 Equinox Most Common Problems. The automatic transmission in your Chevy Silverado is a rugged, electronically-controlled 6-speed that is programmed to just work. Re: 4L80E Transmission Problems: james d smith: 7-25-08 : Thank you for taking my question,A friend of mine wanted to buy my 1994 gmc 2500 4x4 diesel 6. Even after a new transmission was installed for me I had very harsh downshifts. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. Common causes include low transmission fluid, wrong viscosity (thickness) of fluid, or required adjusting of the shift cables or clutch linkage. Clunk Noise or Harsh 6-5 Downshift at 50 - 70 MPH Harsh 4-3 Downshift or Harsh 3-2 Downshift at Lower Speeds 2012 & Prior - All 01-07-30-042G Information on 2-3 Upshift or 3-2 Downshift Clunk Noise 2012 - All PIP5009E Replace The Internal Transmission Wiring Harness And TCC Enable Solenoid Anytime The Transmission Is. 2016 GC Crew Plus - 3. When the solenoid fails or has any issues, it can cause problems with the vehicle's shifting. 4L 3V engine and equipped with a 6R80 automatic transmission may exhibit the following symptoms during warm-up: a harsh 1-2 upshift, harsh 2-1 downshift while coasting 15 MPH (24 Km/h). Therefore, the total average cost of a transmission valve body replacement is between $320 and $900. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. 500 tv boost valve 700-r4. Page 2-Transmission etc. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. Re: 4L60E clunk when stopping The splines on the slip yoke in the trans were nice and oily with atf. lockup-no wires needed GM Chevrolet Chevy 4L60E 4L65E Transmission Parts. com, courtesy of Harry Heng. On a recent road trip, the 6-speed automatic (6L80E) transmission stumbled during the 2-3 shift while driving through the mountains and went into a failsafe mode. 6L Duramax—a duo that can now pull up. Most of the drivers usually send their damaged cars to repair shop for an emergency repair or for its maintenance. I shift it and it don't feel like it's restring that's it's beening taking outa park because when I put it into drive or reverse n push the gas all it does is reave up the rpms n the it's sits in one spot. Manual shift mode not working? Jump to Latest Follow 1 - 13 of 13 Posts. The automatic transmission in your Chevy Silverado is a rugged, electronically-controlled 6-speed that is programmed to just work. Every 250 miles or weekly. This happens when driving at a constant speed around 45 mph and on upgrade with the engine/ transmission cold ( within 10-15 minutes of starting). This will be of some help: 1. On my old G8 GT w/ the 6L80e my tuner was able to "mask" the notorious 2-3 harsh/flare shift that I ended up getting fixed under warranty @ 105k - while tune was still on & after having 75k mixes tuned- they replaced clutch plate kit ring seals 2-3 - turns out ut was a mechanical flaw w/ ring seals on those gears installed in reverse or. 3L crew cab Z71 back in March and I loved the truck from day one. GMC Yukon owners have reported 48 problems related to automatic transmission (under the power train category). The major element to Chevy's big HD towing increase is the new 10-speed Allison transmission mated to that 6. Multiple warehouse locations in Las Vegas and the East Coast gets you transmission parts fast. Stopped by my dealer to drive a 2016 to see if it had the same issues, it does. They stated they designed the transmission to shift flare and clunk when applying the brake. Harsh shifts, Downshift clunk, 3-4 Bump, Bump/Flare shifts, Bind-up, Burnt clutches Compensator Feed Regulator Valve Kit 104740-09K 6L80 Upper Valve Body 2 2 0 This kit fits between the machined surface of the valve body and the case. We see a now torque converter and a new drum also installed. 5, 2017, and Feb. The Vette Servo would probably be enough of an increase. Image by Flickr. This company is not yet accredited. Erratic shifting. Ive gone and added a little bit of line pressure to it from my handheld but doesn't really make a difference. It has done a few weird things, though. It looks as if everything is setup properly I must be missing something. TSB Number: 16NA218 NHTSA Number: 10137403 TSB Date: March 19, 2018. lockup-no wires needed GM Chevrolet Chevy 4L60E 4L65E Transmission Parts. Well, that is a lot of money, and I'm pretty good with a wrench. and this only happens when the engine is cold. 3L 6L80E, 2008 Colorado work beater, 2003 Dodge Dakota pro-touring project It may be the flywheel, it may also be the torque converter. 440-T4 1-2 Slip or Chatter 2-3 Slips & Flare-Ups 2-1 Downshift Clunk 3-2 Coastdown Generator B Inhibitor Switch Water 6L80 Checking the Fluid Level 6L80. #01-07-30-042H - Information on 2-3 Upshift or 3-2 Downshift Clunk Noise - (Jan 14, 2014) #06-08-44-012G - DVD Navigation Update Program, Navigation Disc Diagnostic Aid, AVN Software Update Discs and Ordering Information - (Sep 24, 2013). Some 2009 F-150 vehicles equipped with 5. That being said what you are experiencing is quite normal. The issue is that my 2012 4wd Tahoe is having really weird shifting points, especially in the low gears and it jerks a lot when taking off. Continue to. Late shifts, downshift clunk; 3-4 clutch failure; no lockup; 2-4 band failure; early shifts; 1-2 slide/slide-bump; reverse delay hot; 2-3 cutloose; reverse clutch failure. , 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control circuits. Important Correction to Transmission Digest January 2004 Issue (click here for PDF) ZF6HP 19, 26 & 32 Clutch Clearance Specs?. PATC is on the cutting edge of performance rear wheel drive American transmission development. My 2014 Santa Fe transmission "clunks" when automatically downshifting. Now, nearly 5 months later, the replacement transmission. 2007 GMC Yukon Denali All-Wheel Drive that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. 27) Meanwhile, if I googled the right specs, the DSG has a 3. 2008 CADILLAC CTS Recalls (2) Campaign: 10V240000 on 06/03/2010 Component: Electrical system Affected: 1,365,070 Defect: Gm is recalling certain model year 2006-2009 buick, lucerne; cadillac dts; hummer h2; model year 2008-2009 buick enclave; cadillac cts; model year 2007-2009 cadillac escalade, escalade esv, escalade ext; chevrolet avalanche, silverado, suburban, tahoe; gmc acadia, sierra. Maximum engine power: "555 bhp ( 414 kW )" Maximum engine torque: "550 lb-ft ( 746 Nm )" The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to it's beefier internals. 3, 6 speed) with 53,000 to the dealer late last week and took a ride with the service tech for a solid clunking noise when braking. ATSG (Automatic Transmission Service Group) Check this series and see if we address it in a listing of current problems we're seeing. There is a lot of ground to cover here, so let’s jump in right away with a series of bullet points for a variety of transmissions. NEWS: GM is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban and Tahoe, GMC Sierra 1500, Yukon and Yukon XL vehicles, and 2009-2011 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles; AIR BAGS. Fits General Motors 6L45-6L90 series transmissions 2007-2014. It makes me enjoy getting back in my 4speed panther. Can someone please help me I'm having a similar problem. Pan drop, clean, complete flush with 12 quarts of M1 ATF (older multi-vehicle formula) 2005 G35 100K Looked like original fluid so I did 2 partial drains over the past 2 months with SuperTech ATF+4 and added 6 ounces of Auto-RX prior to complete flush. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2. No CEL's (but this is an OBDI vehicle). A harsh 4-3 downshift or other shift quality issues may develop. While entering the vehicle. Like mx rider said, the splines for the slip yoke arent lubed enough, when you take off the rear end squats a little and the splines have to slip, but yours are binding and will give you that clunk. If this is your first visit, be sure to check out the FAQ by clicking the link above. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. Campaign: 13V001000 on 01/01/2013 Component: Power train:automatic transmission Manufactured: 11/19/2012 - 12/17/2012 Affected: 54,686 Defect: General motors (gm) is recalling certain model year 2013 cadillac escalade, escalade esv, and escalade ext; chevrolet avalanche, express, silverado hd, silverado ld, suburban, and tahoe; and gmc savana, sierra hd, sierra ld, yukon, and yukon xl vehicles. 500 tv boost valve 700-r4. When I am accelerating at a normal rate, I am getting what seems like a slight delay going from 1st to 2nd, then when it shifts sometimes it clunks and it is a rough shift with a small jerk. New transmission, fully upgraded driveline. reprogram transmission control module (tcm). If I am cruising from 40 to 45 MPH and do a quick Wide open accelleration the transmission downshifts to 1st gear hits the RPM shift point of 5900 and then shifts to second gear instead of just shifting into second gear. Clunk noise anyone help Camaro Issues / Problems | Warranty Discussions | TSB and Recalls Clunk noise anyone help - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. 2013 TECHNICAL SEMINAR Get ’em Out The Door!. There was an old design of a 4 piece case saver that required a bit of grinding on the center support. 440-T4 1-2 Slip or Chatter 2-3 Slips & Flare-Ups 2-1 Downshift Clunk 3-2 Coastdown Generator B Inhibitor Switch Water 6L80 Checking the Fluid Level 6L80. 05/01/2007 information on 2-3 upshift or 3-2 downshift clunk noise 4l60e or 4l65e - revised mode feature for hydra-matic 6l80/6l90 automatic transmissions. When the vehicle is new, follow the maintenance schedule to the letter, record it in your owner’s manual and keep all receipts to protect the warranty. All Rights Reserved. com to learn more about the transmission train­ ing classes that are available in your area and online. Shop online for GM, Ford and Dodge Transmission Parts and Torque Converters from PATC. com and a guy with a 2016 said his had the harsh coast down shift. Not the clunk going into first gear (hell, I had an airhead BMW for years, I know clunk). To learn more, see reviews below or submit. If this is your first visit, be sure to check out the FAQ by clicking the link above. Pan drop, clean, complete flush with 12 quarts of M1 ATF (older multi-vehicle formula) 2005 G35 100K Looked like original fluid so I did 2 partial drains over the past 2 months with SuperTech ATF+4 and added 6 ounces of Auto-RX prior to complete flush. Road test vehicle performing 10-15 upshift and downshift cycles at light throttle through all six speeds. GEAR VENDORS, INC. 00:00 00:00 GO LIVE. In this maneuver even thought the accelerator is applied aggressively the throttle blade is opened slowly for up to 0. One last run, then slowed, cruised in 4th, fliped a U-turn and grrrrriiiiiiiiiiiiiiinnddddd into 3rd :bomb: Well hell Drove it a bit. NEWS: GM is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban and Tahoe, GMC Sierra 1500, Yukon and Yukon XL vehicles, and 2009-2011 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles; AIR BAGS. It was driving and shifting great 4 days ago and it was the last time I drove it. The reason why I shift to neutral when stopping is because I have a jerky un-smooth downshift to first gear. Air Bags - 7. Francis et al v. m m m m m m m m audi a6 transmission the ultimate 2. The 6 speed tranny is giving me fits as it tries to get into 4th gear at 25-3o mph and when I try to give it gas or speed up. Read more General Motors reviews to learn about other models. Vehicle applications include 2007-2012 Chevy Avalanche, Colorado, Express and Silverado, 2007-2009 Chevy Suburban, Tahoe and Trailblazer, 2007-2012 GMC Canyon, Savana, Sierra and Sierra Denali, 2007-2009 GMC Envoy, Yukon, Yukon XL and Yukon XL Denali, 2007. Richard Petty's One-of-a-kind Demon Pops Up on Ebay. GM Hydramatic transmission. Campaign: 13V001000 on 01/01/2013 Component: Power train:automatic transmission Manufactured: 11/19/2012 - 12/17/2012 Affected: 54,686 Defect: General motors (gm) is recalling certain model year 2013 cadillac escalade, escalade esv, and escalade ext; chevrolet avalanche, express, silverado hd, silverado ld, suburban, and tahoe; and gmc savana, sierra hd, sierra ld, yukon, and yukon xl vehicles. I rode my friends 1997 and there was no clunk. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. During a 2-3 upshift, the 2-4 band is released and the 3-4 clutch is applied. Thanks to Argent, Bill Watson, Sam Chase, and S. Replacing the pawl stopper and bushing in the shifter assembly will solve the problem. 2007 Lincoln MKZ Transmission goes CLUNK on low speed downshift When decelerating and approaching a stop, the transmission will sometimes hold the high gear (as indicated on the tach), until it suddenly seems to release and downshift - creates a surging CLUNK that sounds like the transy is falling out. The transmission fluid was drained and flushed, the filter. The odd M6 and M4 four-speed semi-automatic transmissions. Posted in ATSG News ATSG Tech Tips ATSG Product Spotlight By jon glatstein. The slip yoke in the middle of the driveshaft was a bit dry, but didn't feel sticky. Common causes include low transmission fluid, wrong viscosity (thickness) of fluid, or required adjusting of the shift cables or clutch linkage. I have a 2000 chevy tahoe 4×4 5. 3L crew cab Z71 back in March and I loved the truck from day one. 2007 GMC Yukon Denali All-Wheel Drive that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. The AW4 was also used behind the AMC 2. 3L - Stone White - 370,000 km (sold April 2018). This happens when driving at a constant speed around 45 mph and on upgrade with the engine/ transmission cold ( within 10-15 minutes of starting). Like other transmission systems on vehicles, it allows an internal. Shifts have been consistent and smooth. Clunk noise anyone help Camaro Issues / Problems | Warranty Discussions | TSB and Recalls Clunk noise anyone help - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. 700r4 hd 4 pack: chevy corvette servo, shift kit &. 2008 Chevrolet Truck Silverado 1500 Extended Cab 2WD LT2 Long Box This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the. General Motors, LLC Eastern District of Michigan, mied-2:2019-cv-11044 COMPLAINT (CLASS ACTION) filed by All Plaintiffs against General Motors, LLC with Jury Demand. The 2015 Chevrolet Silverado 1500 has 15 problems reported for transmission shifts poorly. Loose u-joints cause a terrible clunk when you put your truck in reverse or drive, and are actually dangerous. Luckily, I have some inclination as to what might be causing it but I’m not positive so I really need some help. IMPORTANT BULLETINS AND PIs. GM states, ". The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control circuits. But sometimes, you may encounter an issue that causes one or more of the gears to malfunction. i put the shifter in 1st and got it home. The salesman after the test drive pointed out the GM rep in the parking lot so I walked over and introduced. During a 2-3 upshift, the 2-4 band is released and the 3-4 clutch is applied. pumpkin, so I'm thinking half shafts are my second fix. I have a 2000 chevy tahoe 4×4 5. He also holds ASE Master and L1 certifications. It's not that I'm braking excessively hard, or anything, but more like when I"m coasting to a stop or just stopping normally. It was another good learning experience for me, though. COASTING LOW SPEED DOWNSHIFT, HARSH DOWNSHIFT TO 4TH GEAR—INTERMITTENT P0741 FORD: 2009 F-150 ISSUE a. Also in a 6L80 or 6L90 (RPOs MYC or MYD) equipped vehicle when making a hard, complete stop with a closed throttle immediately followed by an aggressive throttle. com and a guy with a 2016 said his had the harsh coast down shift. The salesman after the test drive pointed out the GM rep in the parking lot so I walked over and introduced. before it would maybe make the noise for a second around 30mph now it stays rumbling until you accelerate past 30 or slow way down …one last thing in parking lots if I turn the wheel while moving at idle speed tach drops and seems like engine is almost gonna kill …. I am beginning to see the pressure switches fail. Oil Consumption- One of the biggest problems with the 2013 Chevy Equinox is oil consumption. Prevents forward clutch failure, 2-3 cutloose, hard throttle 2-3 slip, 2nd and 4th band failure, 3-2 coast down shift clunk and no movement. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to oppose centrifugal application of the clutches. By Chris Adams, Diagnostician Chris Adams started with Certified Transmission in 1986 as an R&R technician, and currently works as our Diagnostic Trainer. I have a 2007 Chevy 2500 Duramax/Allison. Chevrolet Silverado 2014-Present: How to Diagnose a Bad Transmission. As the popularity of the 6. Corrects/Prevents/Reduces: 3-2 clunk, when stopping 20-14 mph; Slow, soft, extended or bind up 2-3 shift. The Vette Servo would probably be enough of an increase.
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