Reman Transmission Archives - Transmission Digest
GM 6L80 Transmission Early Failure Issues & Fixes

The application use of the 6L80 transmission has been extensive over the years. General Motors originally manufactured this transmission. It was designed for both AWD/4WD and RWD General Motors applications. The 6L80 has unique operations, such as an advanced computer controller constructed into the valve body and a direct clutch to clutch shifting. The gearbox