GM Service Manual Online
For 1990-2009 cars only

The mechanical components of the Hybrid Two-Mode 2ML70 Transmission are as follows:

    â€¢ Torque dampener assembly
    â€¢ Vane-type main fluid pump assembly
    â€¢ Gerotor type auxiliary fluid pump assembly
    â€¢ Input shaft and internal assembly
    â€¢ Sun gear carrier assembly first position
    â€¢ Drive motor with generator assembly first position
    â€¢ Drive motor with generator assembly second position
    â€¢ Internal gear assembly second position
    â€¢ Sun gear carrier assembly second position
    â€¢ 1-3 clutch housing assembly
    â€¢ Main shaft assembly
    â€¢ Center support assembly
    â€¢ Output shaft assembly
    â€¢ Control valve body assembly

The electrical components of the Hybrid Two-Mode 2ML70 are as follows:

    â€¢ Two 60 KW electric concentric motors
    â€¢ Output speed sensor assembly
    â€¢ Manual shift shaft position 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
       - 2 shift solenoids

For more information, refer to Electronic Component Description .