4l80e slipping. Upgrade your Chevy/GMC today! GM 4L80-E Transmission Rebuild - Transmission Repair Here is a full rebuild video of a GM 4L80-E Transmission. Manufactured by General Motors in 1991, the 4L80e was used to replace the strong TH400, which was first built in 1964, though with additional upgrades. Upgrade your heavy-duty GM vehicle with our performance remanufactured 4L80E transmission, expertly rebuilt to deliver exceptional durability, torque-handling, and smooth shifting. 4 inches long and features 17 bolts. We see the parts that took for a successful repair. The 4L80e is 26. First introduced in 1991, these transmissions went through multiple upgrades that go all the way up to the 2000s. Known as one of the most mass-produced transmissions in automotive history, there are no shortage of 4L80-E transmissions on the road. 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 featured a die-cast aluminium case which accounts for its sturdiness. This particular automatic transmission has found its way into numerous heavy-duty vehicles, but interestingly, has also been used General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. . It's a top choice for demanding applications like towing, racing, and off-road builds. Aug 21, 2025 · One such transmission is the 4L80E automatic from General Motors. 4L80E Transmissions - Durable, reliable, and ready for action. Complete overhaul kit with The GM 4L80E is a heavy-duty, four-speed overdrive transmission built to handle high horsepower and torque. As with most mass-produced transmissions, their cheap factory design is fertile for reliability and drivability concerns in almost any application. Perfect for Silverado, Tahoe, Suburban, Sierra & Yukon. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. The GM 4L80E is a heavy-duty, four-speed overdrive transmission built to handle high horsepower and torque. Upgrade your Chevy/GMC today! 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 and 4L85E transmissions, representing an evolution of the popular TH400, were used in a variety of 3/4 and 1 ton GMC/Chevrolet pickup applications through the 2009 model year. 4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and commercial vehicles, and the Hummer H1. Jul 3, 2025 · 4L80E by General Motors is one of the most popular four-speed automatic transmissions out there. vzwqbwlc6n1rwsumru8ecnhmzlinsgemu3rtytvr6tc