Both longtime GM commercial van models, the Chevy Express and GMC Savana, are currently being investigated by the NHTSA in response to five alleged transmission failures. Some evidence is pointing to ...

The Hydra-Matic 6L90 (production code MYD) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain ...

The National Highway Traffic Safety Administration’s (NHTSA) Office of Defects Investigation is looking into a complaint that alleges an issue with the 6L90 transmission used by 2016-2018 and ...

The brochure may read Chevrolet and Low Cab Forward, but don’t be fooled because this medium-duty truck is manufactured by Isuzu for the biggest of the Big Three in Detroit. An unspecified number of ...

General Motors' Ypsilanti Transmission Operations is producing a new variant of its Hydra-Matic rear-wheel-drive six-speed transmission. The new 6L90 six-speed electronically controlled automatic ...