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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 640 (Hydraulic Brakes) >> Repair Instructions >> Vacuum Brake Booster Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the gasket to the booster.
  2. Install the vacuum booster.
  3. Install the 4 vacuum booster mounting nuts. Tighten the nuts to 36 N.m (27 lb ft).
  4. Install the pushrod (3) and the stop lamp switch (2) to the brake pedal stud (1).
  5. Install the pushrod retaining clip (4) to the brake pedal stud (1).
  6. Install the vacuum hose to the brake booster check valve.
  7. Install the master cylinder. Refer to Master Cylinder Replacement (Vacuum Boost)  or Master Cylinder Replacement (Hydraulic Boost)  .
  8. Release the park brake and unblock the wheels.
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