![]() ![]() Vents, Case Vent, Case Vent Valve, Vent Hose Connector, Vent, Plastic Breather Strut, Band Struts, Struts, Anchor Pin, Band Anchorīelts, Pushbelt, Pushbelts, Push-belt, Push-beltsĬover Bolt, Cover Bolts, Mounting Bolt, Mounting Bolts, Pan Bolt, Pan Bolts, stud, studs, Split Pinīooster, Boosters, Boost Regulator, Boost Spring, Boost Valve, Lockup Boost, Booster kit, Kit Boost, Kit Boost Valveīrackets, Connector Bracket, Connector Brackets, Cable Bracket When this happens, it sends TCC clutch material through the transmission cooling system and into the transmission which ultimately leads to failure and the need for a rebuild.Accumulators, Accumulator Piston, Acummalator Kit, Accumulator Piston Kit Many times, people will tune out the DOD and reduce the converter lockup in certain gears while improving pressures to prevent the TCC from wearing out. This is due to the constant shutter that the converter sees when DOD is constantly cycling on and off. 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. This issue can obviously cause a number of serious drivability issues. 4-5-6 clutch hub and intermediate shaftĭue to issues with the original manufacturing process, cracks and other damage can cause a catastrophic failure of the 4-5-6 clutch pump and intermediate shaft. IF a 6l80 is ever taken apart for a rebuild, it’s generally best practice to consider replacing the drum with a stronger aftermarket unit. Some 6l80 builders may weld the cracks, but that isn’t a permanent solution. Cracked DrumĪ cracked drum that has failed can create 3- 5 -Reverse clutch problems. Transmission builders who specialize in the 6l80 will often install an updated version of the 1-2-3-4 piston and housing to prevent future problems. Other common 6L80E transmission problems include: Cracks in the 1-2-3-4 pistonĮarly versions of the 6l80 had issues with developing cracks in the 1-2-3-4 piston, and sometimes within the piston itself. ![]() One common 6l80 issue due to design flaws include premature clutch failure. ![]() The 6l80 was designed to handle the torque output of some of GM’s biggest late-model LS (gen 4) and LT (gen 5) v8 engines, but a number of design flaws created most of the common 6L80E transmission problems. ![]() The 6l80 was the first fully electronically controlled heavy duty transmission designed by GM with unique features including direct clutch to clutch shifting and the use of an advanced computer controller built directly into the transmission’s the valve body. Since the 6L80 transmission is used in all GM 2wd and 4×4 cars and trucks, it was bound to have problems with various platforms. Weight: 195 pounds (Dry), 230 pounds (Filled) Here is the complete list of 6l80e equipped cars and trucks.Ģ006 Holden/Chevrolet WM Statesman/CapriceĢ007-2016 Chevrolet Silverado 2500HD 6.0 (6L90)Ģ010-present Chevrolet Express 2500-3500 (6L90-E)Ģ010-2021 (K2XX) Chevrolet Silverado/GMC Sierra 1500Ģ011(September)-2012 Holden VE Commodore Series 2(MY 2012)Ģ014-2017 Holden VF Commodore / Chevrolet SSĢ008-2013 Chevrolet Avalanche 6l80e Transmission Specs Because of its ability to be used on a number of different platforms, the 6l80e transmission was found in a many GM vehicles from model years 2006 – 2021 ranging from sports cars to full size pick up trucks. ![]()
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