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Home >> GMC >> 2003 >> Envoy 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Adjustments & Inspections >> Park Brake System >> Park Brake Adjustment

Park Brake Adjustment

  1. Remove the rear brake rotor. See BRAKE ROTORS  under REMOVAL & INSTALLATION.
  2. Adjust the Drum-to-Brake Shoe Clearance Gage until it contacts the inside diameter of the rotor.
  3. Position the shoe clearance gage over the park shoe lining, left side shown, at the widest point.
  4. Turn the adjuster nut until the lining just contacts the shoe clearance gage.
  5. Repeat steps  1 - 3 to adjust the right rear park brake.
  6. The clearance between the rear park brake shoe lining and the rotor should be .026" (0.66 mm).
  7. Install the rear brake rotor. See BRAKE ROTORS  under REMOVAL & INSTALLATION.
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