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Transmission Component and System Description

The mechanical components of the 6T40/45 are as follows:

    • A torque converter with an electronically controlled capacity clutch (ECCC)
    • Gear-type fluid pump assembly
    • 1-2-3-4 and low and reverse clutch housing assembly
    • 4-5-6 and 3-5 reverse clutch housing assembly
    • 2-6 clutch assembly
    • Low and reverse clutch (one way clutch) assembly
    • Control valve body assembly
    • Drive sprocket, driven sprocket and link assembly
    • Front differential carrier assembly
    • Input Carrier Assembly
    • Reaction Carrier Assembly
    • Output Carrier Assembly

The electrical components of the 6T40/45 are as follows:

    • Output speed sensor assembly
    • Input speed sensor assembly
    • Manual shift shaft with internal mode 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
       - Torque converter clutch (TCC) pressure control solenoid
       - shift solenoid
       - Transmission fluid temperature sensor

For more information, refer to Electronic Component Description .

   


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