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 ...

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 ...

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 ...

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 ...

Owners of heavy-duty Silverados and Sierras that do a lot of towing may find changing out the tranny oil pan with this cast-aluminum version from PML is a good way to ensure lower transmission fluid ...

I have a 2009 Chevrolet Silverado 2500 HD (6L90 transmission). The truck is my snow plow and I am too old and too poor to get a new one. The tranny however has pretty much stopped moving the truck ...