GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Daewoo 🢒 2008 🢒 G2X 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Brake Booster Auxiliary Pump Replacement

Removal Procedure
  1. Release the engine wiring harness clip from the power brake booster vacuum pump bracket and position aside.

    2. Object Number: 1733075 Size: SH
  2. Loosen the 2 clamps and remove the charged air hose from the throttle body and the intake air pipe.
  3. Disconnect the power brake booster auxiliary pump electrical connector.

    4. Object Number: 1733082 Size: SH
  4. Release the clamp and disconnect the power brake booster auxiliary pump to brake booster vacuum hose (1).

    5. Object Number: 1733085 Size: SH
  5. Remove the power brake booster auxiliary pump to engine bolt (1).

    6. Object Number: 1733088 Size: SH
  6. Remove the 2 power brake booster auxiliary pump to engine nuts (1).

    7. Object Number: 1733142 Size: SH
  7. Remove the power brake booster auxiliary pump and bracket (1) from the engine.

    8. Object Number: 1733158 Size: SH
  8. Remove the 2 power brake booster auxiliary pump to bracket nuts and bolts, if necessary and remove the pump from the bracket.

Installation Procedure

    Object Number: 1733158 Size: SH
  1. If removed, install the power brake booster auxiliary pump to the bracket.

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

  2. Install power brake booster auxiliary pump bolts and nuts.

    3. Tighten
    Tighten to 10 N·m (89 lb in).

  3. Position the power brake booster auxiliary pump and bracket to the engine.

    4. Object Number: 1733088 Size: SH
  4. Install the 2 power brake booster auxiliary pump nuts (1).

    5. Tighten
    Tighten to 22 N·m (16 lb ft).


    Object Number: 1733085 Size: SH
  5. Install the power brake booster auxiliary pump to bracket to engine bolt (1).

    6. Tighten
    Tighten to 22 N·m (16 lb ft).


    Object Number: 1733082 Size: SH
  6. Connect the brake booster vacuum hose (1) to the power brake booster auxiliary pump and install the clamp.
  7. Connect the power brake booster auxiliary pump electrical connector.

    8. Object Number: 1733075 Size: SH
  8. Install the charged air hose to the throttle body and the intake air pipe and tighten the 2 clamps.
  9. Install the engine wiring harness clip to the power brake booster vacuum auxiliary pump bracket.