GM Service Manual Online
For 1990-2009 cars only

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

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

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

    • Two 60 KW electric concentric motors
    • Output speed sensor assembly
    • Manual shift shaft position switch
    • 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 .