GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 SSR 🢒 Restraints 🢒 SIR 🢒 Power Vacuum Brake Booster Replacement

Removal Procedure

    Object Number: 748031 Size: SH
  1. Apply the parking brake.
  2. Remove the master cylinder. Refer to Master Cylinder Replacement .

    3. Object Number: 748028 Size: SH
  3. Disconnect the vacuum hose from the vacuum booster and from the engine.
  4. Remove the trim hinge pillar panel. Refer to Body Hinge Pillar Trim Panel Replacement in Interior Trim.

    5. Object Number: 748017 Size: SH
  5. Remove the pushrod retainer (3) from the brake pedal pin (4).
  6. Remove the stop lamp switch (1) and the pushrod (2) from the brake pedal pin (4).

    7. Object Number: 748032 Size: SH
  7. Remove the vacuum booster mounting nuts.
  8. Remove the vacuum booster assembly.
  9. Remove the gasket.

Installation Procedure

    Object Number: 748032 Size: SH
  1. Install the gasket and the vacuum booster assembly.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the vacuum booster mounting nuts on the vacuum booster.

    3. Tighten
    Tighten the vacuum booster mounting nuts to 40 N·m (30 lb ft).


    Object Number: 748017 Size: SH
  3. Position the stop lamp switch (1) on the pushrod (2) and install on the brake pedal pin .
  4. Install the pushrod retainer (3) to the brake pedal pin (4). The retainer will snap into place.
  5. Install the trim hinge pillar panel. Refer to Body Hinge Pillar Trim Panel Replacement in Interior Trim.

    6. Object Number: 748028 Size: SH
  6. Install the vacuum hose to the vacuum booster and to the engine.
  7. Install the master cylinder. Refer to Master Cylinder Replacement .