Red D Transmission is a leading service center in Carmichael for Hummer repair and service. Hummer was a line of trucks that were developed by the General Motors Company. Marketed as three vehicles, the Hummer H1, H2, and H3. The H1 and H2 were designed after the Humvee, and the H3 was based on smaller civilian market share.

Hummer vehicles have used several transmission and drivetrain systems depending on model year, engine, trim, and drivetrain configuration.
Common transmission families and drivetrain systems may include GM 4L60-E, 4L65-E, 4L80-E, 6L80, Allison automatic transmissions, heavy-duty transfer case and differential systems depending on model and year.
Common symptoms and failure points may include harsh shifting, delayed engagement, slipping, torque converter shudder, fluid leaks, transfer case noise, differential noise, driveline vibration, transmission warning lights. Red D Transmission provides Hummer transmission diagnostics, transmission repair, transmission rebuilds, transfer case service, differential repair, and drivetrain diagnostics in Carmichael CA.
Red D Transmission offers the following automotive repair services for Hummer cars at our auto repair shop in Carmichael, CA. If you don't see the service you're looking for, please contact us to see if we can help.
Red D Transmission takes pride in being recognized throughout the greater Carmichael area for our skill and expertise at repairing and servicing the models manufactured by Hummer. The technicians at Red D Transmission are professionally trained and are real specialists in fixing not only Hummer, but all other import and domestic vehicle types as well.
Please Note: While we strive to service all models, due to the lack of availability of parts for many older models, Red D Transmission may not be able to assist, but we will make every effort to be as helpful as possible.