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Home >> GMC >> 1983 >> Forward Control 5.7 M, Automatic, 475/M40 >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc & Drum >> Removal & Installation >> Brake Booster - Except Hydro-Boost >> Removal

Brake Booster - Except Hydro-Boost: Removal

  1. Disconnect vacuum line from check valve or power unit. Remove nuts securing master cylinder to power unit.
  2. Pull master cylinder forward away from unit. Disconnect brake pedal from push rod. Remove power unit-to-firewall bolts and remove unit.