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Home >> Pontiac >> 1987 >> 6000 STE >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc & Drum - Except STE >> Adjustments >> Drum Brake

Drum Brake

NOTE: Adjustment should only be required after relining or replacing shoes, or if length of adjusting screw is changed.
  1. Raise vehicle and remove wheels and drums. Check to make certain that parking brake cable and linkage, including levers on rear secondary shoes, are free. Measure brake drum inside diameter using inside caliper portion of Brake Drum Gauge (J-21177-A).
  2. Adjust brake shoes to dimension obtained on outside caliper portion of Drum Brake Gauge (J-21177-A) minus 0.050 in. (1.27 mm). See Fig 1 . Check brake fluid level in master cylinder reservoir. Add fluid if necessary. Adjust parking brake.
    Fig 1: Adj. Shoe Clearance Through Backing Plate (Except Beretta)
    G26682
  3. Install drums and wheel. Tighten wheel mounting nuts. Lower vehicle. Drive car alternately forward and backward, applying brakes moderately in each direction.
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