Hydra matic 6l80 problems

Jun 11, 2023 · Published by Dustin Babich on 11 June 2023. The main difference between a 6l80 and a 6l80e is that the latter has electronic control of the transmission. The 6l80 and the 6l80e are both six-speed automatic transmissions produced by general motors’ hydra-matic division. The 6l80e has electronic control, while the 6l80 is controlled by ...

Hydra matic 6l80 problems. Nov 21, 2006 · Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles.

Here is the gear ratio of the 6L80E automatic transmission: First gear — 4.027. Second gear — 2.364. Third gear — 1.532. Fourth gear — 1.152. Fifth gear — 0.852. Sixth gear — 0.0667. Reverse — 3.064. The 6L80E transmission’s RPO code is ‘MYC’ and is manufactured domestically in GM’s Michigan plant.

Long story short, GM needs to do away with the 8-speed and replace it with the much-improved 10-speed automatic … and quick. In fact, GM was recently slapped with a class action lawsuit over the ...The 6L80 / 6L90 TEHCM is located inside of the transmission on the 6L80 / 6L90 valve body. Objectively, it is a fairly simple repair: simply remove the transmission pan, remove the valve body, unbolt the TEHCM from the valve body and install the new one. But it does take a bit of experience to not damage anything on the valve body or inside the ...“The problem with verbal abuse is there is no evidence,” Marta shared. She came for help with a long-stand “The problem with verbal abuse is there is no evidence,” Marta shared. Sh...A Hydra-Matic Drive transmission, produced between 1939 and 1956, on display at the Ypsilanti Automotive Heritage Museum. Hydramatic (also known as Hydra-Matic) is an automatic transmission developed by both General Motors' Cadillac and Oldsmobile divisions. Introduced in 1939 for the 1940 model year vehicles, the Hydramatic was the … The input torque for a 6L80 transmission is 440 foot-pounds, while the 6L80's maximum output torque is an impressive 664 foot-pounds. Similar to the majority of transmissions manufactured by GM, the 6L80 Turbo-Hydramatic transmission has a capacity of between 10 to 12.6 quarts of Dextron VI fluid, dependent on the application.

Nov 21, 2006 · Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles. Get free real-time information on CHF/MATIC quotes including CHF/MATIC live chart. Indices Commodities Currencies StocksOur high-performance transmissions —including GM 6L80 (level 1 and 2) and GL90 — are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons.Dec 15, 2013 ... 6L80-E Transmission Pump Assembly - Worn PR Valve · 6L80E/6L90E TCC Shudder Fix? - Could This Be The Answer To The Shudder Headache? · GM 6L80 E ...Poor pressure control due to clutch select valve springs. Problem – Due to OE clutch select valve spring tension, the valve apply fluid pressure inside of the 6L80/6L90 valve body will be too high, causing a number of transmission problems that include: Premature failure of the 1-2-3-4 clutch. Premature failure of the 3-5-Reverse clutch.This is a post on 7 common Google Chrome problems. Learn how to fix them in this in-depth post. Receive Stories from @chrishhollandCompared to the 4L60E GM bolted into C5 Corvettes and fourth-gen F-bodies, the 6L80E is one brute of a transmission. In GM speak, the "6" in 6L80E denotes the number of forward speeds, while the ...

Our high-performance transmissions —including GM 6L80 (level 1 and 2) and GL90 — are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons.Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model(s): 2006 Cadillac STS-V, XLR-V 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors bulletins are intended for use by professional technicians, not a …Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles.If the transmission is failing: It might skip gears. It could be slow to engage into drive. It is likely to start slipping. A smaller repair bill. If the transmission has likely failed (red alert!): The truck will not move – Sometimes called P-N-N-N-N-N (Park-Neutral-Neutral….)

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Electronic challenges exist when mixing and matching the 6L80 as they must be matched to their particular engine. In a similar vein, GM Gen. IV engines do not always take kindly to other transmissions such as …The 6L80E is a 6-speed automatic transmission that features a 4.02:1 first gear allowing pavement-tearing acceleration. The aftermarket versions available at JEGS allow for a 45% increase in torque. This means it can handle up to 650 ft.-lb. of torque. With numbers like these, it's no wonder that the 6L80 has become a popular choice for those ...There are many types of eye problems and vision disturbances, such as: There are many types of eye problems and vision disturbances, such as: Vision loss and blindness are the most...The General Motors 6L80-E & 6L90-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV’s. In this Drivetrain 101, we’ll analyze all of its most prolific problems, solutions and upgrades. Become a 6L80-E and 6L90-E expert now!INTRODUCTION 6L80 (6 Speed) The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was ...A well-publicized issue with the LT1 Corvette engines as well as other GM V-8s of the era—including the L83 5.3-liter, L86 6.2-liter truck engine, and LT4 6.2-liter—is an engine misfire or ticking noise caused by a failed lifter or lifters. ... For 2014, the automatic transmission offered was the six-speed Hydra-Matic 6L80 with paddle shift ...

John Parmenter, Precision International Tech Advisor goes over resolving problems on the 6L80 transmission. For more information, make sure to check out our ...6L80 Transmission Oil Filter. 1-Tub of Dr. Tranny Assembly Lube by Lubegard (Green light tack style ships standard. Let us know if you prefer the green "firmer style) This super master transmission rebuild kit, for GM's 6L80 automatic transmission, includes everything you need to rebuild your 6L90 transmission to better then factory standards.Are you prepared for travel problems on your vacation? Check out these tips to help you prevent a vacation nightmare before it starts. Daye Deura When going on a hard-earned vacati...The biggest change to the 2009 Chevrolet Avalanche is the addition of a new Hyrda Matic 6L80 six-speed automatic transmission, which replaces the long-running 4L60 four-speed unit found in earlier ...Mar 22, 2021 · THM200-R4. The first overdrive automatic to transfer power in the GM lineup was the 200-4R that arrived in 1981 behind A- and G-body cars as well as full-size sedans. This transmission is often mistakenly lumped in with the TH-200 three-speed automatic that GM attempted to make work in the early ‘80s. The Hydra-Matic 6L80 is General Motors first model of a new, four-variant, rear wheel drive (RWD) six speed automatic transmission family. The four variants are the 6L45, 6L50, 6L80 and 6L90. The new, high performance 6L80 will debut in 2006 model year performance vehicles, including the Chevrolet Corvette C6 and new Cadillac STS-V …4L70E Transmission Help ... hydra-matic 6l80 6-speed automatic!Feb 6, 2022 ... Doctor sounds alarm on Biden: This is 'absolutely a medical issue ... GM Hydra-Matic 6L80 / 6L90 Power Flow ... 6L80 Common Problems: Slipping in ...Cadillac has enjoyed a good reputation for producing quality luxury automobiles with few signficiant shifting problems with its automatic transmissions. Cadillac's transmissions ar...

Drop-in USA-made hardened steel TCC regulator valve, scarf cut sealing ring, spring and O-ring. Drop-in pressure relief bushing, spring, ball and retainer. This TransGo 6T70-G2 SHIFT KIT® Valve Body Repair Kit fits 2013 and newer General Motors vehicles equipped with a GEN2 6T70, 6T75 and 6T80 automatic.

The 6L80 transmission has a number of problems. First, it is susceptible to failure. This can occur due to a number of factors, including wear and tear, overuse, and incorrect maintenance. Second, the 6L80 transmission is very expensive. This is due in part to its high quality and functionality, but also to the fact that it is a premium ...GM 8L 45 · 8L 90. The Ford–GM 10-speed automatic transmission is part of a joint venture between Ford Motor Company and General Motors to design and engineer two transmissions: a longitudinal 10-speed transmission and a transverse 9-speed trans-axle. Each company manufactures its own unique version of the transmissions in its own factories.Chevrolet testing has shown the ZL1 with the available 10-speed has faster shift times than the Porsche PDK dual-clutch transmission. In fact, the 1-2 upshift is 36-percent quicker than the PDK, while the 2-3 and 3-4 upshifts are 27-percent and 26-percent quicker, respectively. “You touch the paddle and the gear changes with immediacy ...Cadillac GMC Holden Hummer. The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was first introduced in the 2006 Corvette with the 6.0L engine, Cadillac STSV/XLRV with the 4.4L engine, and is scheduled for Pick-ups in 2007.Information about GM's 8-speed 8L90 M5U Hydra-Matic transmission, including details, specifications, vehicle applications, and more. ... to fit the same space as the previous 6L80/6L90 family of ...Jul 7, 2023 · 6-speed 6L80 automatic: $3,899; 8-speed 8L90 automatic: $5,894; 10-speed Hydra-Matic 10L80 MF6 automatic: $5,700; Common Chevy Silverado 1500 Transmission Problems. Chevy Silverado’s and their transmissions are known to have quite a few problems but it’s far from the only issue with these trucks. Vic50. My 1950 Olds 76 “Big 6” Hydromatic Transmission was working fine this summer. Im in New York, and the colder it gets the longer it takes for my car to shift into 4th - the highest gear in Drive. Once it does shift to 4th the rest of the drive is fine. Today I drove about 15 minutes before it would shift to 4th.

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Here is the gear ratio of the 6L80E automatic transmission: First gear — 4.027. Second gear — 2.364. Third gear — 1.532. Fourth gear — 1.152. Fifth gear — 0.852. Sixth gear — 0.0667. Reverse — 3.064. The 6L80E transmission’s RPO code is ‘MYC’ and is manufactured domestically in GM’s Michigan plant.On August 9, Hydra Industries Acquisition presents their latest quarterly figures.Wall Street predict expect Hydra Industries Acquisition will rel... Hydra Industries Acquisition p...Pine Bluff, AR 71601. (870) 535-4973. www.abbott-tach.com. Today's 4L65-E and 4L60-E transmissions trace their lineage to 1982 and the introduction of the 700R4, one of General Motors' first ...The biggest change to the 2009 Chevrolet Avalanche is the addition of a new Hyrda Matic 6L80 six-speed automatic transmission, which replaces the long-running 4L60 four-speed unit found in earlier ...The 4L80E transmission is the advanced progeny of the legendary TurboHydramatic TH400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet featuring an added overdrive gear, a lock-up torque converter and advanced electronic controls. The 4L80E was introduced in 1991 in the GM C/K Trucks line-up, and remained ...The 6L45E (GA6L45R) is a constructively modified 5L40 (which was actually replaced by the 6L45E in 2007 ). Mainly used with budgetary BMW-3 and X3 with engines 2.5l - 3.0L. 6L50, 6L80 and 6L90 transmissions may be considered as quite reliable RWD 6-speed gearboxes of GM series. European modifications 6L45 /R have been used since 2006 on BMW Х1 ...Before General Motors phased in the 6L90, there was the 6L80 which was designed in 2005. But unlike the usual outfacing of a former, the 6L80 was still in production. Hence, 6L80 became a contemporary to the 6L90. ... A common 6L90 problem is the inability of the reverse gear to engage when selected. This is mainly caused by a faulty …Specifications. The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights. It's RPO code is "MYC" and it is domestically manufactured in GM's Ypsilanti, Michigan plant. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. ….

The Hydra-Matic 6L80 six-speed automatic transmission was the first of four variants in the rear-wheel drive transmission family designed with modular flexibility and compatibility with advanced ...The R&R of the TEHCM (Transmission Electronic Hydraulic Control Module) for Switch & Film Rebuilds 6L90: The Problem of having “Delayed Forward and Delayed …The most common problem with GM 10-speed transmissions is the shift selector. It occurs when your vehicle suddenly slips into lower or higher gear without any action or change in speed. The gear drops as the vehicle accelerate, indicating an issue with the shift selector. Acceleration is usually increased by shifting up a gear.May 24, 2023 · GM Hydra-Matic 8L90 and 8L45 transmissions allegedly make driving dangerous. May 24, 2023 — A General Motors transmission lawsuit is on hold after the judge sent the allegations to arbitration ... Under the hood lurks a 6.0-liter V8 producing 361 horsepower and 385 foot pound-feet of torque. This powerplant is mated to a six-speed Hydra-Matic 6L80E automatic transmission. For added excitement, this transmission features Driver Shift Control.The 6L45E (GA6L45R) is a constructively modified 5L40 (which was actually replaced by the 6L45E in 2007 ). Mainly used with budgetary BMW-3 and X3 with engines 2.5l - 3.0L. 6L50, 6L80 and 6L90 transmissions may be considered as quite reliable RWD 6-speed gearboxes of GM series. European modifications 6L45 /R have been used since 2006 on BMW Х1 ...The most common problem with GM 10-speed transmissions is the shift selector. It occurs when your vehicle suddenly slips into lower or higher gear without any action or change in speed. The gear drops as the vehicle accelerate, indicating an issue with the shift selector. Acceleration is usually increased by shifting up a gear.The fill plug on the 6T70/75 is located on the side cover. Where as the fill plug on the 6T40/45 is located near the center of the case. The 6T30 is a bit smaller. There are several differences between a 6T40/45 GEN I & II, 6T30, 6T41/46 GEN 3 and a 6T70/75 GEN I & II transmission. Fill Plug Fill Plug Fill Plug.Service Bulletin #: 05-07-30-023. Date: September 2005. Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model (s): 2006 Cadillac STS-V, XLR-V. 2006 Chevrolet Corvette. with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors …GM Hydra-Matic 6L80 6L90 Tools; GM 6L80 6L90 1-2-3-4 / 3-5-R Drum Leak Checking Tool $ 54.99. Add to cart Details. Turbo 200 350 400 700R4 4L60 4L60E 3L80 4L80E Manual Shaft Seal Install Tool $ 44.99. Add to cart Details. Turbo 6L80 6L90 Filter Seal Install Tool $ 44.99. Add to cart Details ... Hydra matic 6l80 problems, I am having a problem with the Hydra-Matic 6L50 six-speed automatic transmission in my 2017 Chevrolet Colorado with the Baby Duramax engine. ... i have a 2018 canyon 2.8 diesel. i ed the forum and find torque converter problems. i changed the fluid at 5k,20k and 50k with the 50k service including a filter. noticed a shudder yesterday …, Mar 31, 2020 · Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. It’s a single-disc, non-captive clutch unit that is somewhat similar to late 300mm 4L60-E converters. When cutting the JMBX open, converter rebuilders report that a high percentage of units show extreme damage due to the clutch piston and front ... , Everyone's feet are different, but certain everyday foot problems are common. Learn about these annoying foot conditions and how to improve them here. Advertisement Feet are like s..., Pine Bluff, AR 71601. (870) 535-4973. www.abbott-tach.com. Today's 4L65-E and 4L60-E transmissions trace their lineage to 1982 and the introduction of the 700R4, one of General Motors' first ..., These transmissions are part of the Turbo Hydramatic or Hydra-Matic series and also known as: 6L90, 6L90E, 6L90-E, MYD ... Transgo SK-6L80 Shift Kit 6L45 6L50 6L80E 6L90E GM Automatic Transmission Update HD Improver. $145.88. Sonnax 6L80-LB1 Line Pressure Booster Kit Boost Valve & Spring 6L45, 6L50, 6L80E 6L90 Transmission., Jun 30, 2010 · The problem was a transmission valve body check ball. Check ball #1 had shrunk and stuck in the separator plate. I took it to the transmission shop Tuesday morning, explained my symptoms, mentioned possibility of check ball as seen on internet from 3 different transmission shops. He laughed and said don't believe what you see on the internet. , The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. It offers a fourth gear overdrive to increase fuel efficiency. ... The most common problems are loose or corroded wiring connections. Figure 4. TCM Location Page 9. Troubleshooting the 4L80E Automatic Transmission Page 5, Feb 16, 2024 · GM Transmission Issues Escalate With Class-Action Lawsuit. GM Class Action Lawsuit Update: A second class action lawsuit was filed on April 19, 2024, Ulrich, et al. v. General Motors, et al, No 2:24-cv-11007. This lawsuit spans 10 states and includes causes that were not a part of the class action lawsuit filed last March. , The Hydra-Matic 6L80 is a six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles., Android/iOS: Made by the same team behind Pixlr-o-Matic, one of your favorite photo filter apps, Pixlr Express takes a different approach to personalizing your photos. Namely, it p..., Remanufactured Automatic TransmissionGM 6L80 RWD 2007-2009 Chevy/GMC/Cadillac V8 EnginesIncludes Torque Converter Fluid Shift Pro by ETE Automatic Transmission Assembly T281224 Advance Auto Parts GM 6L80E/6L90E Transmission Problems And Performance, 40% OFF, 6-speed 6L80 automatic: $3,899; 8-speed 8L90 automatic: $5,894; 10-speed Hydra-Matic 10L80 MF6 automatic: $5,700 ; Common Chevy Silverado 2500 or 3500 Transmission Problems . Chevy Silverado’s and its transmissions are known to have quite a few problems and it’s actually the most common problem their cousin, the Silverado 1500., But the 6L80 transmission was developed from the ground up as an electric-over-hydraulic transmission, complete with microprocessor control. The manufacture of the 6L80 began in 2005 and was released in most GM vehicles in the model year of 2006. The transmission lasted until 2016, available in 6L80 vs 6L90 versions. 6L90 Transmission, When you are meeting someone new, at some point, they'll probably ask, "So what do you do?" If you want to make a good first impression, answer by discussing how you solve problems..., The 6L80 replaced the older 4L60 four-speed automatic in many truck and SUV applications as well as some rear-wheel drive cars. The main problems that have been reported with the 6L80 transmission are: 1) Shuddering/Vibration – Some drivers have reported a shuddering or vibration feeling when driving at highway speeds., 6L80E 6L80 Transmission. $ 3,295.00 Original price was: $3,295.00.$ 2,495.00 Current price is: $2,495.00. The 6L80E transmission is now for sale at our lowest price! We pull out all the stops with our Hydra-Matic 6L80 build. From its clutch packs helical cut gears to its performance Built lock-up torque converter you won’t find a better deal ..., Manual Shaft Pin Update 6L50 6L80 6L90. Length changed 5mm (.19”), taper changed 2.5mm (.09”) Part numbers were updated, shaft will backservice. There 2007 as have a 2007 Spacer been used for the valves circuit to move bleed. These springs are at a not lower available load exhaust pressure on individually. the 2008 reducing tendency of ..., GM 6T70, 6T75, 6T80 (Gen. 2) Valve Body Layout. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources ..., The Hydra-Matic 6L50 (production code MYB) 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 ... , It is seen as an improvement over the 6L80 model but is installed in a limited number of vehicle models. Upgraded Features Of The 6L90 MYD. The 6L90 is an upgrade over the 6L80 transmission and inside this transmission, you will find the following features: 1. Modular features- this includes upgrading the hydra-matic design of the 6L80., The GXP’s Corvette-derived, 415-hp 6.2-liter LS3 V-8 is paired with either a Hydra-Matic 6L80 six-speed auto or a Tremec TR6060 six-speed manual, the only stick offered in any G8., 4L80-E A Hydra-Matic 4L80 transmission at the Ypsilanti Automotive Heritage Museum. The 4L80-E (RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The 4L80-E is rated to a maximum GVWR of 18,000 lb, depending on the axle and vehicle.. The 4L80-E uses two shift solenoids, initially called Shift Solenoid A and Shift Solenoid …, About the GM 6L80 Automatic TransmissionThe 6L80/6L90E automatic transmission fills a much needed duty gap between the versatility of the 4.0L series and the Allison variety. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as an electro/hydraulic controlled transmission. This transmission can be used ..., Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. Possible DTCs include P0776, P2715 or P2723. Solution – This transmission problem may be caused by a cracked 1-2 ..., Problems with no overdrive can happen because faults associated with these two solenoids. Corroded, loose, oily connectivity. The computer supplies voltage through one pin. (Pin E) The easiest place is to check at the passthrough connector. The computer controls the solenoid through ground. It will switch off by denying ground at the …, The 6L80 Hydra-Matic transmission is a 6 speed automatic transmission manufactured by General Motors. It was created to help GM meet ever more demanding CAFE regulations on their vehicles. By utilizing more gearing, the 6L80 keeps the car in it's power band longer, improving the MPG of the vehicle between 4-7% (over the previous generation, The 6L80 replaced the older 4L60 four-speed automatic in many truck and SUV applications as well as some rear-wheel drive cars. The main problems that have been reported with the 6L80 transmission are: 1) Shuddering/Vibration – Some drivers have reported a shuddering or vibration feeling when driving at highway speeds., Turbo-Hydramatic 3L80 / THM400. Successor. 6L90. The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October ..., The Hydra-Matic 6L80 is General Motors first model of a new, four-variant, rear wheel drive (RWD) six speed automatic transmission family. The four variants are the 6L45, 6L50, 6L80 and 6L90. The new, high performance 6L80 will debut in 2006 model year performance vehicles, including the Chevrolet Corvette C6 and new Cadillac STS-V …, Vinyl siding is a great home exterior option for your home. It is easy to install and maintain but it also comes with a few problems. Expert Advice On Improving Your Home Videos La..., Information about GM's 8-speed 8L90 M5U Hydra-Matic transmission, including details, specifications, vehicle applications, and more. ... to fit the same space as the previous 6L80/6L90 family of ..., What Are The GM 6L80 Transmission Problems? The GM 6L80 automatic transmission, while widely used in various car and truck models, has encountered some known issues over the years. Here’s a detailed breakdown of these common problems: 1. Torque Converter Failure. This is considered a major issue, often leading to cascading problems. , - Problem #1 - The Torque Converter - Problem #2 - The Input Shaft - Problem #3 - The Valve Body - Problem #4 - The C2 Clutch Assembly ... The predecessor to this failure-prone transmission was the aged 6L80 and 6L90 transmission. After a tumultuous run plagued by valve body and torque converter issues, along with further tightening emissions ...