6l80e Torque Converter ProblemsHowever, it is a long transmission and is not compatible with short-wheelbase Jeeps such as the CJ5. GM reportedly changed the fluid requirement a year ago, then when that didn't solve the problem, they started replacing torque converters. Find Torque Converters 6L80 Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase Torque Converter, 2,500 rpm Stall, 6L80, 6L90, 36-Spline, Each. - How the 6L80-E and 6L90-E clutch packs work - Problem #1 - The Torque Converter - Problem #2 - The Intermediate Shaft - Problem #3 - The Valve Body - Problem #4 - The OEM Oil Pan - Problem #5 - The High Pressure Oil Pump - Problem #6 - The Transmission Electro-Hydraulic Control Module (TEHCM) - Problem #7 - The 4-5-6 (Overdrive) Clutch Pack. With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. Many vehicle owners with the stock 8L90-E have reported an inherent “shudder” issue and harsh shifting problems with the transmission. 6L80E Torque Converter failures on K2XX platform (2014-2019 GM Truck) have skyrocketed & will eclipse Converter failure rates in GMT900 platform (2007-2013 GM Truck) by a huge margin. Some of the most common issues include: 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. We have about 8k towing miles planned with a 6500 lb camper behind it this year - much of it in the mountains. One of the most common is the premature failure of the 6L80 torque converter. This vital doughnut shaped component is responsible for transmitting power from the engine to the transmission. One possible source of a problem that can damage the converter is bore wear in the valve body or pump. Problem – Excessive wear inside of the boost valve bores in the 6L80 valve body and 6L90 valve body can cause a number of transmission problems that include: Unusually hard shifts Delayed gear engagement Slipping Shifting behavior inconsistent with engine load Premature clutch wear Clutch pressure solenoid DTCs. This vital doughnut shaped component is responsible for transmitting power from the engine to the transmission. So your next step should be to examine a hydraulic diagram to determine which valves control the torque converter. I let off the throttle, felt it engage second, and then. Aug 8, 2022 #1 I have a buddy that owns a 2014 GMC Sierra SLE w/ around 165K (5. Test #2 Checking For 12 Volts Across Fuse Check for 12 volts at both sides of the fuse. Flex & Bend - A Look at the 6L80/90 JMBX Torque Converter. If in “limp home” mode, look for PCM codes to trigger this fault condition. One problem to consider when it comes to the MAF sensor is when the sensor is reading improperly, but still within specs so it doesn’t trip a code. Hydraulic system — The 6L80/90E transmission hydraulic system consists of a vane type pump, which provides system pressure; two control valve bodies, which control application and release of the individual clutches; the torque converter housing, which houses the pump assembly; and the case assembly. 31K views, 284 likes, 9 loves, 15 comments, 86 shares, Facebook Watch Videos from Sonnax: For customers with demanding GM 6L80/90 gas-powered applications that use a full-size torque converter,. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other. 2006 and later General Motors and BMW vehicles equipped with 6L45, 6L50, 6L80 and 6L90 automatic transmissions often come in with complaints of lock-up cycling or a surging sensation, as well as shift solenoid or TFP performance codes due to sticking clutch select valves. Customer was complaining of rumbl. JTC Performance - Authorized HP Tuners Reseller Remote performance tuning 07-10-2019 #11 Tre-Cool Advanced Tuner Join Date Jan 2004 Location Perth - Western Australia Posts 248. Torque Converter, Wild Boar Outlaw, 9. The metal contamination can lead to valve and solenoid issues which must be addressed when you are repairing the root cause of the issue. Solution – These 6L80 transmission problems can be caused by a leaking 1-2-3-4 and 3-5-R clutch seal rings. The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. 2006 and later General Motors and BMW vehicles equipped with 6L45, 6L50, 6L80 and 6L90 automatic transmissions often come in with complaints of lock-up cycling or a surging sensation, as well as shift solenoid or TFP performance codes due to. I didn't like the 6L80e especially when decelerating because it downshifts with the torque converter still locked up from 3-2-1 downshift. GM 6-Speed 6L80 MYC Hydra-Matic Automatic Transmission The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and. It is not arequirement for the dealer to drive the vehicle 320 km(200 mi). See full list on transmissionrepaircostguide. Problem #1 Retaining Ring Pop-Out After installation, the unit worked at first, but suddenly lost Forward, then after a few more minutes, it lost Reverse. The 6L80/90 converters have had numerous problems since they came out in the mid 2000's. Aug 8, 2022 #1 I have a buddy that owns a 2014 GMC Sierra SLE w/ around 165K (5. HAPPY NEW YEARS 2022 let's go!!! 6L80e Torque Converter FAILURE at it's finest… How do we fix the common failures? If you loved 2021 just wait till you see w AboutPressCopyrightContact. The torque converter is working 100 percent of the time. early 6L80 only Bearing Style: Enclosed Material: Hardened Steel Inner Dia. The 6L80/90 converters have had numerous problems since they came out in the mid 2000’s. It has the 6L80 transmission, which is known for having a weak link in the torque converter, and when. However, I've noticed that at low speed cruise (55 and below), when the torque converter clutch engages, there is a terrible shudder, basically it feels like driving in a rutted out dirt road. Locate the fuse box and the fuse marked "gauges" (most models). The following is a list of problems and possible solutions, should your 4L80E suddenly start to give you trouble. Refer toTorqueConverter Replacement in SI. Solution – These 6L80 transmission problems can be caused by a leaking 1-2-3-4 and 3-5-R clutch seal rings. We tow a 2021 Alpha Wolf DBH-L with a 2012 GMC Yukon XL Denali (6. Many vehicle owners with the stock 8L90-E have reported an inherent “shudder” issue and harsh shifting problems with the transmission. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving. Yes, the ECM is modified (PE delay, timing, other small things), and the torque model tables were increased by 15% I also decreased desired upshift times 10%. The GM 6L series transmission is quickly becoming the most popular attraction in the shop. Torque Converter Lock: Yes Overdrive: Yes, 2 gears Case Length: 23. 6L80e issues / torque converter pronstar Dec 23, 2021 Dec 23, 2021 #1 pronstar President, Dallas Chapter Joined Aug 5, 2009 Messages 33,345 Reaction score 37,929 I’m pushing 80k miles on my ‘15 Silverado 5. Do I just need to be prepared to replace the transmission when it finally lets go? Can we get by with just a TC replacement? Is it just a ticking time bomb?. The truck has about 117K on it, a stage 2 towing cam, a Trucool 40K transmission cooler and a few other Knick knacks for towing. Converts GM 6L80, 6L90 (300mm), GM 258mm LU (4L60-E, 5L40-E) or GM 265mm LU (4T60-E, 4T80-E) converter cores to a 37-tooth internal spline for use in GM 4L80-E single stator applications. While these are not all possible signs, they are the most common ones. You may also notice issues like a rough idle, rough acceleration, and noises from the transmission. 6L80e issues / torque converter pronstar Dec 23, 2021 Dec 23, 2021 #1 pronstar President, Dallas Chapter Joined Aug 5, 2009 Messages 33,345 Reaction score 37,929 I’m pushing 80k miles on my ‘15 Silverado 5. The 6L80E transmission is known to have its fair share of transmission problems. I'd like to know how many K2XX truck owners we have here with over 175,000 miles on their original 6L80E?. Check the under-hood fuse that powers the transmission. Unfortunately, this is right at highway cruise rpm (3. #1 I think we're starting to experience this on our 2012 Suburban. One possible source of a problem that can damage the converter is bore wear in the valve body or pump. Either pump or regulator valve issues can damage one or more clutches. No codes at all are being thrown for the powertrain. Torque Converter is overheating and throwing filings into the transmission fluid and consequently throughout the. 3 Noticed two big slips recently, I think my torque converter is giving up. Poor pressure control due to clutch select valve springs. Torque Converter Performance Grade 6L80E Torque Converter Included Included Upgrades Original Manufacturer Flaws and TSB Rectification, Shift Kits, Valve Bodies, Seal, Bearing, Clutch Packs, Bushings, Bands, Torque Signal Regulator and Boost Valve, Corrosion Resistance, TCC Valve and Regulator, Torque Converter and Much More Testing. Start the engine and run 4 quarts into GE-47716-2Graduated Bucket, then shut vehicle off (dumpfluid out of bucket as necessary). 2nd Torque converter failure with filings going into the transmission. It felt like somebody is slightly rear ending me while engine braking during a downshift. GM 6L80 removal Step By Step converter failure 12 Things That WILL. • Verify torque converter is properly and completely installed onto input shaft (common mistake) • Do not tighten bell housing bolts with force, torque converter may have. 00; Drop Ship; Free Shipping; Special Order. wet 6L80E Gear Ratios The. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. The 6L80/90 converters have had numerous problems since they came out in the mid 2000’s. The 6L80E converter has a very weak clutch. If there are worn valves or faulty inputs or controls, it's easy to see how the clutch could start to shudder and quickly fail. 5″ Outer Case Material: Cast Aluminum Controlled by Computer: Yes Dry Weight: 195 lb. The transmission never slips, never hunts for a gear and overall runs fine. The most common symptom of a bad torque converter is a slipping transmission during acceleration. Torque converter clutch always locked up, causing harsh shifts, or excessive engine drag off the line: TCC solenoid circuit shorted to ground. GM TORQUE CONVERTER, 6L80E, 6L85E,6L90E TRIPLE CLUTCH 2800-3000 STALL. Find Dealer Connect & Cruise Powertrain. 63K subscribers Subscribe 764 33K. Torque converter upgrade. I'm pushing 80k miles on my '15 Silverado 5. Internal Spline Tooth Count: 37. 314 2015 Silverado 6L80E torque converter question In the oem tune, the torque converter locks up at 1500 rpm's and unlocks at 1350. #videoserviceinformation #gmc #transmissionThis truck had a remanufactured transmission replacement about 10,000 miles ago. Service Procedure Replace the torque converter. com%2f6l80-torque-converter-problems%2f/RK=2/RS=_H5Ma6XDuWCJca9DFBwedDbA. They use rubber seals to actuate the clutch pistons. If you’re familiar with 6l80 equipped full size trucks such as the Silverado, Sierra, TAhoe, etc, then you know that the converter is a common source of failure. Replace the torque converter or clutch Change transmission fluid and filter Repair/replace damaged wiring and connectors Repair/replace TCM or ECU Install a rebuilt or remanufactured transmission Related Codes P0740 – Torque Converter Clutch Circuit P0742 – Torque Converter Clutch Circuit Stuck On P0743 – Torque Converter Clutch. It does not have a direct 1:1 ratio like the 4L80E and 4L60E, which is worth noting. With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. The issues appear to stem from moisture in the transmission fluid. One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. The 6L80E converter has a very weak clutch. The transmission never slips, never hunts for a gear and overall runs fine. 6L80E Transmission Problems & Solutions. Transfer Case Adaptability The 6L80, adapted and ready for a Jeep Dana 300 and the Jeep New Process transfer cases. However, I've noticed that at low speed cruise (55 and below), when the torque converter clutch engages, there is a terrible shudder, basically it feels like driving in a rutted out dirt road. When dropping the transmission pan to perform a standard drain and fill transmission fluid change, you can expect to replace around anywhere from 4-6 quarts of fluid assuming the stock transmission pan is being used. Find Torque Converters 6L80 Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App. If this is OK, the decision must be made to inspect the TEHCM or pull the unit and look at the turbine shaft O-ring, the PR valve, the TCC control valve, and converter limit valve in the pump. 6L80e issues / torque converter pronstar Dec 23, 2021 Dec 23, 2021 #1 pronstar President, Dallas Chapter Joined Aug 5, 2009 Messages 33,345 Reaction score 37,929 I’m pushing 80k miles on my ‘15 Silverado 5. Many vehicle owners with the stock 8L90-E have reported an inherent “shudder” issue and harsh shifting problems with the transmission. The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. Raise the vehicle, remove the block assembly andreinstall the cooler lines. 314 2015 Silverado 6L80E torque converter question In the oem tune, the torque converter locks up at 1500 rpm's and unlocks at 1350. GM 6L80E/6L90E Transmission Problems And Performance Upgrades Offered By Gearstar Starting in the 2006 model year, General Motors released the 6L80E and 6L90E transmissions that developed several issues that tend to frustrate transmission as well as body shop technicians servicing them globally. Because the 6- and 8-speed units were based on the same design and engineering, it was not a surprise that they have remarkably similar problems such as slippage, shudder, jerking, harsh engagement, delay in downshifts/ acceleration and component wear. 314 2015 Silverado 6L80E torque converter question In the oem tune, the torque converter locks up at 1500 rpm's and unlocks at 1350. Service Procedure Replace the torque converter. Diameter, Chevy, 6L80, 6L90, Race, Each. 2018 Silverado 6L80E. Customer was complaining of rumble noise at low speeds. Dealer charged me an extra $1,100 to install a new crate. As we all know, this unit is plagued by a handful of common issues, such as pressure switch filament cracking, 35R drum breakage, 1234 piston cracks. That certainly holds true for the 6L80, 6L90. The TCC regulator valve is located there. P-R-N-D work, upshifts are erratic and occur at random engine speeds, will not upshift from first gear (no upshifts at all): This problem seems very serious in nature but in fact this is something very simple to fix. 5360216 Remove the transmission oil pan. HAPPY NEW YEARS 2022 let’s go!!! 6L80e Torque Converter FAILURE at it’s finest How do we fix the common failures? If you loved 2021 just wait till you see w. In fact, some GM Authority readers have written in to tell us that the transmission flush using the Mobil 1 blue fluid via the. What they have in common is working on the 6L80 / 6L90 for the first time. The class action alleges that the shuddering, shaking, jerking, and hesitation in these vehicles are related to internal issues within the transmission and torque converter, causing undue friction and impairing the proper functioning of hydraulic systems and gears, which results in metal shavings being circulated throughout the transmission. These issues can cause problems like. If the tester does not light, then check for 12 volts by the regular method. This is due to the constant shutter that the converter sees when DOD is constantly cycling on and off. 2015 GM 6L80 torque converter failure - YouTube 0:00 / 6:55 2015 GM 6L80 torque converter failure Express Auto & Transmission David Lee 4. Repair Choices Get an oversized replacement valve and reamer. Yes, the ECM is modified (PE delay, timing, other small things), and the torque model tables were increased by 15% I also decreased desired upshift times 10% However, this problem existed before I ever touched anything. No 1st or 4th gear (torque converter doesn’t lock, can be driven in 2nd, 3rd, and Reverse gear): Transmission is in “limp home” mode or lost electrical power. If this is OK, the decision must be made to inspect the TEHCM or pull the unit and look at the. 6L80-E Gear Ratios Exceptional torque rating Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb. It intermittently shudders cruising on the highway, then RPMs fluctuate by about 200. Some of the most common issues include: 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. Torque Converter Lock: Yes Overdrive: Yes, 2 gears Case Length: 23.