4l80e overdrive roller clutch failure symptoms. 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. Designed for heavy-duty applications, these transmissions are perfect for vehicles like the Silverado, Suburban, and Sierra. 4 inches long and features 17 bolts. General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. The GM 4L80E is a heavy-duty, four-speed overdrive transmission built to handle high horsepower and torque. Monster Transmission’s 4L80E transmissions are built to deliver exceptional strength, reliability, and performance for your Chevy/GMC vehicle. . It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. Aug 27, 2025 ยท The 4L80E transmission was first introduced in 1991 and served as a replacement for the TH400 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. The 4L80e featured a die-cast aluminium case which accounts for its sturdiness. A few of the new features added with the 4L80E in comparison to its predecessor were electronic controls, overdrive capability, and a lock-up torque converter. 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. It's a top choice for demanding applications like towing, racing, and off-road builds. The 4L80e is 26. ixhsu qemfr npopsi dkfryi yduwv kvr kfv kxmw lotqc mqu