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 MANUALSCHEVROLET2012TRAVERSE AWD V6-3.6LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLPARKING BRAKE SYSTEMADJUSTMENTS
2012 Chevrolet Traverse AWD V6-3.6L
Parking Brake System: Adjustments
2012 Chevrolet Traverse AWD V6-3.6LSECTION Adjustments
Parking Brake Adjustment
Special Tools
J-21177-A - Drum-to-Brake Shoe Clearance Gauge
Warning:
Refer to Brake Dust Warning Brake Dust Warning.
1. Apply and fully release the park brake.
2. Verify that the park brake pedal releases completely.
* Turn ON the ignition. Verify the BRAKE indicator lamp is off.
* If the BRAKE indicator lamp is on, ensure the park brake pedal is in release mode and has fully returned to the stop. Remove the slack in the front park brake cable by pulling downward on the cable.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
4. Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation Service and Repair.
5. Loosen the locknut (1) at the park brake cable equalizer to relieve tension on the park brake system.
6. Remove the rear brake rotors. Refer to Rear Brake Rotor Replacement Rear Brake Rotor Replacement.
7. Using appropriate cleaning equipment, clean the parking brake components of any accumulated dust.
8. Set the J-21177-A - Drum-to-Brake Shoe Clearance Gauge inside of the park brake drum (1) at the widest point.
* Place the contacts on the tool to the widest point of the drum.
* Tighten the set screw on the tool to ensure the proper measurement when removing the tool from the drum.
9. Position the J-21177-A - Drum-to-Brake Shoe Clearance Gauge over the park brake shoe (1) at the widest point.
10. Turn the adjuster screw until the park brake shoe just contacts the J-21177-A - Drum-to-Brake Shoe Clearance Gauge.
11. Repeat steps 7-9 for the opposite side.
12. Install the rear brake rotors. Refer to Rear Brake Rotor Replacement Rear Brake Rotor Replacement.
13. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation Service and Repair.
14. Adjust the park brake by turning the locknut (1) at the equalizer while spinning both rear wheels. When either rear wheel starts to drag, back off the locknut one full turn.
15. Lower the vehicle to curb height.
16. Apply the park brake, then inspect for rotation of the rear wheels. If the rear wheels rotate during this inspection, then readjust the park brake shoes.
17. Release the park brake. Verify the rear wheels rotate freely.
18. Lower the vehicle.
RENDER: 1.0x
NO RELATED
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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.