Colorado 4WD L5-3.5L VIN 6 (2005)
Brake Drum: Adjustments
Drum Brake Adjustment
Drum Brake Adjustment
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Tools Required
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J 21177-A Drum to Brake Shoe Clearance Gage
Caution: Refer to Brake Dust Caution in Service Precautions.
Important The rear brakes must be adjusted manually after replacing the rear brake shoes.
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Loosen the adjuster nut for the park brakes.
3. Remove the brake drum.
4. Using the J 21177-A, measure the inside, diameter of the brake drum.
Important When performing the following service procedure, ensure that the J 21177-A is level, before taking the measurement.