The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...
GM intends to pair the revised Hydra-Matic 8L80 eight-speed automatic transmission with one of the engines available for the 2024 GMC Sierra 1500 pickup, sources familiar with the matter have informed ...
It’s essential for handling the stress of powertrain operation. Signs of failure may include shifting issues, difficult gear changes, harsh shifting, delayed engagement, clunking sounds, grinding ...