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Home >> Chevrolet >> 1999 >> Forward Control P12 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Adjustments >> Rear Brake Shoes >> Astro & Safari, "G", "P" & "S" & "T" Series

Astro & Safari, "G", "P" & "S" & "T" Series

  1. Ensure parking brake is released. Raise and support vehicle. Knock out lanced area in backing plate with a punch (if not already removed) and remove from brake assembly.
  2. Working through hole in backing plate, rotate adjusting screw until brake shoes expand and wheels can just be turned by hand. Ensure drag is equal at both wheels. Back off adjusting screw 24 notches (Astro, Safari, and "S" and "T" Series) or 33 notches ("G" and "P" Series) at each wheel.
  3. If heavy drag is present after adjusting screw is backed off 12 notches (Astro, Safari, and "S" and "T" Series) or 15 notches ("G" and "P" Series), check parking brake adjustment. See PARKING BRAKE  under ADJUSTMENTS. To complete procedure, install plug in backing plate. Check parking brake adjustment.