GM Service Manual Online
For 1990-2009 cars only

The mechanical components of the 6T70/75 are as follows:

    â€¢ A torque converter with an electronically controlled capacity clutch (ECCC)
    â€¢ Off axis chain driven vane-type fluid pump assembly
    â€¢ Input sun gear and carrier assembly
    â€¢ 4-5-6 and 3-5 reverse clutch assembly with turbine shaft
    â€¢ Low and reverse clutch (one way clutch) assembly
    â€¢ Control valve body assembly
    â€¢ Front differential transfer drive gear support assembly
    â€¢ Front differential transfer drive gear assembly
    â€¢ Front differential carrier assembly
    â€¢ Case cover assembly

The electrical components of the 6T70/75 are as follows:

    â€¢ Output speed sensor assembly
    â€¢ Input speed sensor assembly
    â€¢ Manual shift shaft with internal mode switch
    â€¢ Control solenoid valve assembly, which contains the following components:
       - Transmission control module (TCM)
       - 5 variable bleed line pressure control (PC) solenoids
       - Transmission fluid pressure (TFP) switch assembly
       - Torque converter clutch (TCC) pressure control solenoid
       - 2 shift solenoids
       - Transmission fluid temperature sensor

For more information, refer to Electronic Component Description .