GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2008 🢒 Captiva 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Vacuum Brake Booster Replacement

Removal Procedure


    Object Number: 1764662 Size: SH
  1. Remove the master cylinder. Refer to Master Cylinder Replacement .
  2. Remove the clamp on the vacuum hose connection to the booster.
  3. Remove the vacuum hose from the booster.

    4. Object Number: 1764664 Size: SH
  4. Disconnect the retaining clip from the pushrod of brake booster.

    5. Object Number: 1764665 Size: SH
  5. Remove the booster mounting nuts from the studs protruding from the dash panel, and remove the booster.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1764665 Size: SH
  1. Install the booster and the mounting nuts to the dash panel.

    2. Tighten
    Tighten the booster-to-dash panel nuts to 22 N·m (16 lb ft).


    Object Number: 1764662 Size: SH
  2. Install the master cylinder onto the booster. Refer to Master Cylinder Replacement .
  3. Install the vacuum hose.

    4. Object Number: 1764664 Size: SH
  4. Connect the retaining clip to the pushrod of brake booster.
  5. With the engine OFF, eliminate vacuum in the booster by pumping the brake pedal several times.
  6. Maintain moderate pressure on the brake pedal and start the engine.

    7. Observe the operation of the brake pedal.

    The booster is functioning properly if the pedal drops slightly because the booster increases the force on the master cylinder pushrod.

    If the pedal does not drop, refer to Diagnostic Starting Point - Hydraulic Brakes .