Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2009TRAVERSE FWD V6-3.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEDESCRIPTION AND OPERATIONTRANSMISSION COMPONENT AND SYSTEM DESCRIPTION
2009 Chevrolet Traverse FWD V6-3.6L
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).
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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.