Transmission Component and System Description

2009 Chevrolet Traverse FWD V6-3.6LSECTION Transmission Component and System Description



Transmission Component and System Description

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

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

The electrical components of the 6T70/75 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
- 2 shift solenoids
- Transmission fluid temperature sensor

For more information, refer to Electronic Component Description (Electronic Component Description).

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.