GM Service Manual Online
For 1990-2009 cars only

The mechanical components of this unit are as follows:

    • A torque converter with a torque converter clutch (TCC)
    • A gear type oil pump
    • Five multiple disk clutches
    • Four band assembly
    • One sprag clutch
    • One roller clutch
    • Two control valve body assemblies

The electrical components of this unit are as follows:

    • A transmission control module (TCM)
    • Two shift solenoid valves, 1-2/3-4 and 2-3
    • A band apply solenoid valve
    • A torque converter clutch (TCC) solenoid valve
    • A transmission pressure control (PC) solenoid valve
    • An automatic transmission fluid temperature (TFT) sensor
    • A transmission mode switch
    • An output speed sensor (OSS)
    • For more information refer to Electronic Component Description