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 MANUALSCHEVROLET2012COLORADO 2WD L4-2.9LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDRUM BRAKE SYSTEMSERVICE AND REPAIR
2012 Chevrolet Colorado 2WD L4-2.9L
Drum Brake System: Service and Repair
2012 Chevrolet Colorado 2WD L4-2.9LSECTION Service and Repair
Drum Brake Adjusting Hardware Replacement
Removal Procedure
Warning: Refer to Brake Dust Warning Brake Dust Warning.
1. Remove the brake drum. Refer to Brake Drum Replacement Removal and Replacement.
2. Fully retract the brake shoe adjuster by holding the adjuster lever away from the adjuster wheel and rotating the adjuster wheel counter clockwise.
3. Remove the brake shoe adjuster spring (1).
4. Remove the brake shoe adjuster lever (1).
5. Carefully spread the top of the brake shoes away from the wheel cylinder and remove the brake shoe adjuster assembly (1).
Installation Procedure
1. Disassemble the brake shoe adjuster assembly and clean the adjuster screw thread.
2. Apply a light coat of high temperature silicone brake lubricant to the adjuster screw threads.
3. Assemble the brake shoe adjuster assembly and position the adjuster screw to the fully retracted position.
4. Carefully spread the top of the brake shoes away from the wheel cylinder and install the brake shoe adjuster assembly (1).
5. Install the brake shoe adjuster lever (1).
6. Install the brake shoe adjuster spring (1).
7. Adjust the rear brake shoes. Refer to Drum Brake Adjustment Adjustments.
8. Install the brake drum. Refer to Brake Drum Replacement Removal and Replacement.
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.