GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 GTO 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Vacuum Brake Booster Replacement

Removal Procedure
  1. Remove the master cylinder. Refer to Master Cylinder Replacement .

    2. Object Number: 1547478 Size: SH
  2. Compress the hose clamp (3) and move the hose clamp away from the brake booster check valve fitting.
  3. Hold the check valve fitting and twist the booster hose in order to separate the hose from the fitting.
  4. Remove the left closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  5. Remove the left ventilation ducts. Refer to Instrument Panel Air Outlet Ducts Replacement .

    6. Object Number: 1367130 Size: SH
  6. Remove the push rod retaining clip (1).
  7. Remove the washer (2).
  8. Remove the push rod (3) from the brake pedal.
  9. Remove the washer (4).

    10. Object Number: 1547562 Size: SH
  10. Remove the vacuum brake booster nuts (1,2,7,8) from the brake pedal bracket.
  11. Pull the booster toward the engine.
  12. Remove the booster from the vehicle.

Installation Procedure
  1. Install the vacuum brake booster to the engine compartment.

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


    Object Number: 1547562 Size: SH
  2. Install the nuts (1,2,7,8) in order to retain the booster to the brake pedal bracket.

    3. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).


    Object Number: 1368927 Size: SH
  3. Apply GM Vehicle Care® Dri-Slide Lubricant, GM P/N 1052948, or the equivalent molybdenum disulphide lubricant, to the pivot point (5) of the push rod on the brake pedal.

    4. Object Number: 1367130 Size: SH
  4. Install the washer (4) to the brake pedal.
  5. Install the push rod (3).
  6. Install the washer (2).
  7. Install the push rod retaining clip (1).
  8. Install the left ventilation ducts. Refer to Instrument Panel Air Outlet Ducts Replacement .
  9. Install the left closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  10. Install the booster hose to the booster check valve fitting.
  11. Compress the hose clamp and move the hose clamp past the wider portion of the fitting. Release the hose clamp on the narrow portion of the fitting in order to retain the hose to the fitting.
  12. Install the master cylinder. Refer to Master Cylinder Replacement .