Transmission Component and System Description

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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 .