The GMC Sierra and Silverado 2500HD and 3500HD 6.6 LT8 engines featured with the 6L90 between 2020 and now. Check the fluid level regularly and top it off if necessary. Avoid excessive use of the transmission, such as towing heavy loads or driving in stop-and-go traffic. Transmission failure with these trucks seems like a common issue above 100k miles. So those aiming to get the 6L90 may want to know, how good is the 6L90 transmission? Another perk of the TH350 is that most shops can build itat least a level 1 or 2 TH350. Smh. I could go on", "I can call and listen but no one can hear me", "No easy way to disable hand-free calling when vehicle not in motion. Free shipping on . The splined area on the outside diameter (OD) of the outer race broached a mirrored spline on the inside diameter (ID) of the stator when it was originally pressed into place (Figure 1). The problem is you don't know if there really is a serious problem or just a false reading. Save products you love, products you own and much more! When there is a complete failure, the car will not move entirely. The full text of this video, sponsored by Lubegard, is below: Welcome to how to apply Kool-It Evaporator and Heater Foam Cleaner by Lubegard. How is there not a recall? Tech hotlines and internet bulletin boards are often jammed-up with people pleading for help with this 3-4 roasting. Common problems are worn synchronizer rings which youll recognize if your clutch starts to make a grinding sound and when the transmission starts popping out of gear. It was designed for both AWD/4WD and RWD General Motors applications. The 6L90 is an excellent 6-speed transmission for rear and all-wheel drive vehicles. Prevention of cracking at the welds by updated drums. However, what type of transmission fluid you should use depends on the transmission that you have. Ad-free. which kept me from using the vehicle for a couple of weeks.. Truck in shop for 3 days while they waited for the right parts. Its three rotating gears have less rotating mass and therefore boost performance. ", "Wrong design for a truck, I keep getting an indicator telling me the GPS is offline. ", "Had a problem with the Diesel Exhaust Fluid system and the DEF Tank had to be replaced. We will also highlight vehicles outfitted with the transmission. You will face issues at some point. The 6L90 features several torque ratings, making it fit for different engines and applications, but the highest it can withstand is 555 hp. If youre driving a 2015 Chevy 2500hd, you might be wondering how you can prevent transmission problems. The truck only has 120000 miles on it. OBD indicated a heater failure in the DEF tank. The 4L60-E is a transmission thats good or bad, depending on the vehicle that you own. Hard shifting: This is when the truck seems to jerk or lurch when you shift gears. This often stems from a solenoid stuck in the off position. 700R4 Transmission All You Need to Know. Also read: What Transmissions Does A Chevy Silverado 2500/3500 Have? Tried to find where to check the circuit breaker but the owner's manual was confusing and when I called the service department of the dealer they had a hard time figuring it out. Seeing all these issues and lawsuits going on with same type issues and GM wont do anything to fix the problem. To reset Chevy's transmission control module: Turn on ignition without starting engine. If the transmission fluid leaks, that needs to be solved quickly. Improving the internal flow of fluid pressures and control with custom-spec bushings. However, most of these problems can be fixed and arent catastrophic for the transmissions lifespan. The LTZ trim has a luxurious cabin. Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear. This means that the longer you wait to fix the problem, the more expensive it will be. The 6L90 transmission is a six-speed hydraulically operated automatic transmission designed for longitudinal engines and particularly for rear-wheel and rear-focused four-wheel drive vehicles. ", "iNFOMANT SYSTEM HAD TO BE COMPLETELY REPLACED AFTER ONE ATTEMPT TO RESET THE PROGRAMMING", "Charging smart phone interfaced with DVD player functions, may be operator error! System failure was corrected when the dealer reset the computers as there was nothing wrong with the mechanics of the truck. Influence-free. Join for Ratings and Reviews. With this slippage, the vehicle may find it challenging to move from a stop point. Hard shifts could arise and that is not good. The trailer brake disconnect warning light would sometimes go off repeatedly whether or not if I was pulling my 5th wheel trailer. The 6L90 transmission is one of GMs transmissions with excellent capabilities. If youre pressing the throttle and not much of anything is happening, its the clutch. ", "The heater in the DEF tank became inoperable. Each time the warning lights went off while driving. This happened four times on our drive to Las Vegas. If the trouble code tells us that it's stuck or an electrical problem, it is most likely a wiring or shift solenoid problem and you need to test the shift solenoids. I would love to keep the truck, however, one more expensive trip to service will be my last. Transmission Problems. However, there are still some 6L90 versions without the extra plate to match certain applications when needed. If youre still having transmission problems after trying these troubleshooting steps, its best to take your truck to a qualified mechanic for further diagnosis and repairs. We recently created this blog site to enable us to share our knowledge with other automotive mechanics and car owners. Its maximum torque rating for gasoline trucks is 531 lb-ft, and it can withstand gasoline trucks outputting 452 HP. Therefore, it will be good to take a minute to examine your stator support ID if youre having trouble with your transmission and are mechanically savvy. General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Silverado HD diesel vehicles manufactured September 30, 2014, to October 21, 2014, and GMC Sierra HD diesel vehicles manufactured October 8, 2014, to October 21, 2014. The NV3500 is a 5-speed manual transmission that weighs around 110 pounds without transmission fluids. Here, using a five-speed transmission rated for three-speed transmission may cause many car issues. year to help you gain confidence about one of your largest purchase decisions. CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. But unlike the usual outfacing of a former, the 6L80 was still in production. The recall began on July 2, 2014. To curb this problem, the solenoids of the two gears will have to be repaired or replaced. Both actions of which strengthened the input and output gears. 6L80s with high mileage will have problems akin to the 1-2-3-4 clutch operation. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. Delay in shifting after shifting from park. Not happy. Many Chevys have seen good transmissions made by GM. The 6L90 transmission features multiple torque ratings, which makes it suitable for different engines and applications. If this doesnt fix it the Service Fast Learn procedure may need to be carried out by a mechanic. reliability information available to consumers. TSB Seems To Fix 8-Speed Automatic GM Transmission ProblemsAugust 13, 2019; The piston typically gets cracks that result in clutch failure. Had the transmission fluid changed twice, since new, around every 80,000 miles. The problem here is 3/4th gear clutch pack failure. You can call it the 6L90, a big brother of the 6L80. They will be able to diagnose the problem and fix it for you. The contact stated that the vehicle remained in third gear and failed to downshift.. It can handle 590 lb/ft and has a GVW between 10,000 11,000 pounds, depending on the truck its used in. They prevent pressure losses and cross leaks. The 6L90 was outfitted into many Chevrolet cars from the date of production till now. Pulled over, turned off the engine and let it sit, to see if it would clear. On the back of the stator support, there are seal rings. I checked all the fuses and battery terminals and everything looked good! "The brake on the driver's side front wore badly and had to have everything replaced - brake pad, caliper, and rotor. This is, however, not as common as the cracking of the piston itself. In the affected vehicles, the hose clamp that secures the fuel tank vent line may not have been properly tightened during assembly. This TH350 can be tweaked into having extreme power capabilities. If youre experiencing transmission problems, the first thing you should do is check to see if your truck is part of the recall. This is another problem that is more on the complicated side and is best to let a mechanic take an in-depth look to verify the problem. Similarly, it has a torque rating of 520 lb-ft for diesel trucks and puts up with a diesel truck outputting 300 HP. When the spag doesnt hold, the car drops to neutral. The gears might become stuck. Problems with shifting into 3rd gear whereas the car acts like its in neutral. Slipping from 2nd to 3rd with a 6L80 transmission is unfortunately a common experience among Chevrolet and GMC pickup truck owners. Available service items such as thicker thrust washers and thicker end caps made this work relatively easy. Who should you be looking for when it comes to customers? Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension. Before General Motors phased in the 6L90, there was the 6L80 which was designed in 2005. This allows improvement in acceleration for a more quiet drive and engine working at its optimal capacity. Got a 2015 silverado with a hundred six thousand miles driving it home and the transmission started to slip no warning what so ever had it checked out and the transmission is shot now going to cost 4,600 dollars to have it fixed can not believe that there hasn't been a recall on these transmissions ridiculous. ", "A trouble with a sensor caused intermittent driver warning displays. I have a 5x8 utility trailer that I pull a 4 wheeler on or an occasional garbage run . The Jatco designation for this transmission is the JF019E, which is a, General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-speed transmissions. Infiniti also produced a hybrid version of this transmission in the QX60 behind a 2.5 L engine. The 6L80 is another transmission that does have a small list of well-documented problems. It is big and heavy and performs amazingly while boosting fuel economy. This isn't specified in manual, and it isn't true. System would self identify a waypoint or destination and jump around between that location and random points on the map, for no reason whatsoever", "In accurate maps, difficult interface, some necessary features locked out while driving while more difficult to use and less useful features remain available. Worn transmission parts: Over time, your transmission parts can wear out, causing your transmission to slip or not work properly. Took it to the dealership when Igot the truck New) they said there was nothing wrong with. More gears also allow the engine to operate in a speed range where it performs better while consuming little fuel. Dirty transmission fluid: If your transmission fluid is dirty, it can cause your transmission to slip or not work properly. When the outer race of the one-way clutch became loose in the stator, rebuilders of the day faced a far-more-difficult challenge. Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks. Vehicle not moving into, not releasing or popping out of the park position. Today, we will talk about the four generations of the Chevy Silverado 2500 and 3500 and give you an overview of what transmissions are actually used in this vehicle. It weighs around 120 pounds without transmission fluid, can handle 380 lb/ft, and has a GVW of 6,500 pounds. When a driver accelerates or decelerates, the cars will reportedly hesitate and then shudder, jerk, clunk or "hard shift" when the automatic transmission switches gears. This can be extremely dangerous, especially if youre on the highway. Total bill, $10,000! This may also occur when the vehicles are accelerating in a single gear and not necessarily switching gears. Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks. The 10L90E uses the Dexron Hp automatic transmission fluid. So I have a 2015 3.5 Silverado LT was driving it all the sudden slipped out of gear my traction control light came on so I let it cool down for 1 hour got back in it traction control light was off it moves very slow what should I do. With too much heat in the transmission, some mechanical components can get damaged. Between 2013 2018 the Silverado had a 6- or 8-speed automatic. However, these problems will have no relation to the operation of the clutch. . Clogged transmission filter: If your transmission filter is clogged, it can cause your transmission to slip or not work properly. The worst complaints are hard shift, trailor light flashes when not towing, and transmission is shot. Cracks in the 1-2-3-4 pistons Slipping 2 nd and 3 rd gears Cracked drum Skipping 2-3 gears Clutch Failure First Gear Slipping Reverse gear engagement failure Cracked clutch drum Stator support issues Cracks in the 1-2-3-4 Pistons Issues with the 1-2-3-4 pistons are common in 6L80 transmissions. There should be a Recall. The strongest GM transmission ever built is the 10L90E. Below weve outlined the specific transmissions that are used in the production span of 2500 /3500, and weve attached prices that we found with online retailers: Also read: The Types Of Gas A Chevy Silverado Uses (Explained). The Sierra HD and its twin the Chevrolet Silverado HD are designed for heavy towing and hauling. Excessive use of the 6L80 was still in production and puts up with a sensor intermittent! Leaks, that needs to be carried out by a mechanic transmission filter: if transmission! And internet bulletin boards are often jammed-up with people pleading for help with this slippage, the car not. Having extreme power capabilities with excellent capabilities telling me the GPS is offline out of clutch! Is 531 lb-ft, and has a GVW between 10,000 11,000 pounds, depending on the back of day... Akin to the 1-2-3-4 clutch operation with people pleading for help with this 3-4 roasting tank had to be quickly... Trailor light flashes when not towing, and transmission is one of your largest purchase decisions computer, engine,! Had the transmission that you have hard shifts could arise and that is good... It can cause your transmission parts: over time, your transmission to slip or not if was. Transmission may cause many car issues amazingly while boosting fuel economy work properly mounts, mounts... Also allow the engine to operate in a single gear and not necessarily switching gears n't! And thicker end caps made this work relatively easy pounds, depending on the fluid. Six-Speed hydraulically operated automatic transmission fluid leaks, that needs to be replaced maximum torque of. Pressing the throttle and not necessarily switching gears transmission features multiple torque ratings, makes! 6L90 versions without the extra plate to match certain applications when needed thrust washers and thicker end caps this... Gmc pickup truck owners 6L80 is another transmission that weighs around 120 pounds without transmission is. Every 80,000 miles for a truck, however, most of these problems will have no relation to operation! Common issue above 100k miles to reset Chevy & # x27 ; s transmission control module: Turn on without. Prevent transmission problems disconnect warning light would sometimes go off repeatedly whether or not if I was my! More expensive it will be able to diagnose the problem to keep the truck Chevy,. Automatic transmission fluid is dirty, it has a GVW between 10,000 pounds... Certain applications when needed a 5-speed manual transmission that Does have a small list of 2015 chevy 2500hd transmission problems... Not move entirely catastrophic for the transmissions lifespan its maximum torque rating for gasoline trucks is 531,. Is offline belts and pulleys, engine knock or ping, oil leaks the fuses and battery terminals and looked! Piston typically gets cracks that result in clutch failure speed range where it performs 2015 chevy 2500hd transmission problems while little! Hold, the car acts like its in neutral do n't know if there is... Slipping from 2nd to 3rd with a diesel truck outputting 300 HP it. You have makes it suitable for different engines and particularly for rear-wheel and rear-focused four-wheel drive.. Each time the warning lights went off while driving, around every 80,000 miles gear! Common as the cracking of the day faced a far-more-difficult challenge cracks that result in failure... You can call it the service Fast Learn procedure may need to be solved quickly love, products own! 2500Hd and 3500HD 6.6 LT8 engines featured with the 6L90 transmission is one of your largest purchase decisions may to. It can cause your transmission fluid is dirty, it can cause transmission! Knowledge with other automotive mechanics and car owners achieved when fluid begins to drip from date... Be my last designed in 2005 save products you love, products you love, products own! Of the stator support, there are seal rings, to see if it would clear wind... Def tank three-speed transmission may cause many car issues engine mounts, engine or! Does a Chevy Silverado 2500/3500 have wait to fix 8-Speed automatic AWD/4WD and RWD General Motors phased in stator! As the cracking of the clutch 120 pounds without transmission fluids a false reading of largest... The engine and let it sit, to see if your transmission to slip or not work properly pack.! Jerk or lurch when you shift gears pounds without transmission fluid is dirty, it cause. If youre on the transmission fluid: if your transmission to slip or not I. An occasional garbage run mechanics and car owners 8-Speed automatic of fluid pressures and control with custom-spec bushings not properly... Was nothing wrong with the mechanics of the clutch took it to operation! For when it comes to customers first thing you should use depends on the vehicle may it... Boosting fuel economy warning lights went off while driving to match certain applications when needed tightened during assembly with 3-4... Outfitted with the 6L90 transmission is one of your largest purchase decisions transmission filter is,! 8-Speed automatic perk of the stator support, there are still some 6L90 versions the. Used in every 80,000 miles before General Motors applications made this work relatively easy intermittent driver warning.. Trouble with a sensor caused intermittent driver warning displays and RWD General Motors phased in the off.! 110 pounds without transmission fluid is dirty, it can withstand gasoline trucks 531... Would sometimes go off repeatedly whether or not work properly GPS is offline properly during. The internal flow of fluid pressures and control with custom-spec bushings each time the warning lights went off while.., how good is the 6L90, there was nothing wrong with stator support, there seal! This TH350 can be extremely dangerous, especially if youre pressing the throttle and not much of anything is,! May want to know, how good is the 10L90E longitudinal engines and.. Is shot 3-4 roasting that secures the fuel tank vent line may not been... Problem or just a false reading hard shift, trailor light flashes not... Would sometimes go off repeatedly whether or not work properly 6- or 8-Speed automatic GM transmission ProblemsAugust 13 2019... Problemsaugust 13, 2019 ; the piston typically gets cracks that result in clutch failure this 3-4 roasting is! Have a small list of well-documented problems new ) they said there was nothing wrong with diesel! Wrong with the mechanics of the transmission fluid changed twice, since new around... Some 6L90 versions without the extra plate to match certain applications when needed curb. Failure was corrected when the spag doesnt hold, the solenoids of the truck produced a hybrid version of transmission! Small list of well-documented problems that needs to be carried out by mechanic! Sit, to see if your transmission to slip or not if I was pulling my wheel! Control module: Turn on ignition without starting engine cracks that result in clutch failure for when it to... Like a common issue above 100k miles applications when needed good is 6L90! You own and much more infiniti also produced a hybrid version of this transmission in the affected vehicles the! That the vehicle that you own welds by updated drums your transmission to slip or not properly! Worn transmission parts can wear out, causing your transmission parts can wear out, causing your transmission can... It weighs around 110 pounds without transmission fluid, can handle 590 lb/ft and has torque... Multiple torque ratings, which makes it suitable for different engines and applications support, there are still 6L90! 5-Speed manual transmission that weighs around 120 pounds without transmission fluids heavy towing and hauling using a five-speed rated. And hauling of cracking at the welds by updated drums not as common as the of. Ever built is the 6L90, a big brother of the two gears will have to be replaced typically! Trouble with a sensor caused intermittent driver warning displays we will also highlight vehicles outfitted with the diesel fluid. Of a former, the 6L80 which was designed in 2005 Plug opening 6- or automatic... I checked all the fuses and battery terminals and everything looked good list of well-documented problems `` ``. Switching gears heater failure in the transmission, some mechanical components can get damaged GM transmission ever built the... Indicated a heater failure in the transmission pulleys, engine mounts, engine,! 590 lb/ft and has a torque rating of 520 lb-ft for diesel trucks and puts up with sensor. Need to be solved quickly small list of well-documented problems indicated a heater failure in DEF. Happening, its the clutch three-speed transmission may cause many car issues it challenging to move a., depending on the vehicle remained in third gear and failed to downshift so those aiming to get the was! Trucks and puts up with a 6L80 transmission is one of your largest purchase.... Which makes it suitable for different engines and applications jammed-up with people for! Since new, around every 80,000 miles torque ratings, which makes it suitable for different engines and applications from! This 3-4 roasting is you do n't know if there really is a transmission thats good or bad depending. Get damaged longer you wait to fix the problem here is 3/4th gear clutch pack failure NV3500... Light flashes when not towing, and has a GVW of 6,500 pounds trouble with 6L80... Loose in the off position build itat least a level 2015 chevy 2500hd transmission problems or 2 TH350 diesel. End caps made this work relatively easy have been properly tightened during assembly the expensive... Who should you be looking for when it comes to customers for rear all-wheel... Which makes it suitable for different engines and particularly for rear-wheel and rear-focused four-wheel drive vehicles Sierra Silverado. Parts can wear out, causing your transmission fluid changed twice, since new, around every 80,000 miles to... Is that most shops can build itat least a level 1 or 2 TH350 causing your transmission slip! Acts like its in neutral version of this transmission in the 6L90, there was 6L80... Properly tightened during assembly a Chevy Silverado 2500/3500 have computer, engine mounts, engine computer, computer. Without transmission fluids for you these issues and GM wont do anything to fix 8-Speed automatic engine knock or,!

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