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Home >> GMC >> 1983 >> Forward Control 5.7 M, Automatic, 400/M40 >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc & Drum >> Adjustments >> Disc Brake

Disc Brake

Pad wear is automatically compensated for by piston moving outward in cylinder bore. No disc pad adjustment in service is required.

Inspect condition of disc pads whenever wheels are removed. If any disc pad is worn to within 1/32" (.8 mm) of rivet heads, replace all disc pad sets on that axle.