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Home >> GMC >> 2002 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes (Except Cab & Chassis, & Hd) >> Repair Instructions >> Parking Brake Adjustment >> Park Brake Shoe Adjustment >> Adjustment

Park Brake Shoe Adjustment: Adjustment

CAUTION: Refer to Brake Dust Caution 
IMPORTANT: The park brake shoes must be adjusted before the park brake pedal is adjusted
Fig 1: Measuring Inside Of Rotor
GM177200
  1. Set the J 21177-A so that it contacts the inside diameter of the rotor
    2. Fig 2: View Of Parking Brake Shoes & Special Tool
    GM177201
  2. Position the J 21177-A over the shoe and the lining at the widest point.
  3. Turn the adjuster nut until the lining just contacts the J 21177-A
  4. Repeat steps 1-3 for the opposite side
  5. The clearance between the park brake shoe and the rotor is 0.6604 mm (0.026 in).
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