GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Pedal Assembly Replacement

Removal Procedure

    Warning: Refer to Brake Fluid Warning in the Preface section.

    Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

    Caution: Refer to Adding Fluid to the Brake System Caution in the Preface section.

    Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

  1. Remove the knee bolster. Refer to Knee Bolster Replacement.
  2. Remove the instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
  3. Remove the instrument panel retainer. Refer to Instrument Panel Retainer Replacement.
  4. Remove the master cylinder from the vehicle. Refer to Master Cylinder Replacement.
  5. Remove the vacuum hose and check valve from the vacuum brake booster. Refer to Power Brake Booster Inlet Hose Replacement.
  6. Remove the brake pedal position sensor. Refer to Stop Lamp Switch Replacement.

    7. Object Number: 1943698 Size: SH
  7. Remove the brake pedal pushrod retaining clip (1), washer (2) and the brake pedal pushrod (3) from the brake pedal (4).

    8. Object Number: 1943701 Size: SH
  8. Remove the vacuum brake booster to brake pedal support bracket retaining nuts (1).

    9. Note: From the engine compartment, pull the vacuum brake booster forward to release the four studs from the bulkhead and brake pedal support bracket.

  9. Remove the vacuum brake booster from the vehicle.

    10. Object Number: 1943703 Size: SH
  10. Remove the 2 brake pedal bracket assembly to instrument panel crossmember retaining bolts (1).

    11. Note: Lower the brake pedal assembly rear end first to aid in removal.

  11. Remove the brake pedal assembly from under the instrument panel.

Installation Procedure

    Caution: Refer to Adding Fluid to the Brake System Caution in the Preface section.

    Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.


    Object Number: 1943703 Size: SH

    Note: Raise the brake pedal assembly front end first for installation.

  1. Install the brake pedal assembly.
  2. Install the two brake pedal bracket assembly to instrument panel crossmember retaining bolts (1).

    3. DO NOT fully tighten at this stage.

  3. Have an assistant install the vacuum brake booster from the engine compartment. Make sure the vacuum brake booster 4 studs are correctly located in the bulkhead and brake pedal support bracket.

    4. Object Number: 1943698 Size: SH
  4. Install the push rod (3), washer (2) and retaining clip (1) to the brake pedal assembly (4).

    5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1943701 Size: SH
  5. Install the vacuum brake booster to brake pedal support bracket retaining nuts (1) and tighten to 22 N·m. (16 lb ft).

    6. Object Number: 1943703 Size: SH
  6. Tighten the 2 brake pedal bracket assembly to cross car beam retaining bolts (1) to 23 N·m (17 lb ft).
  7. Install the brake pedal position sensor. Refer to Stop Lamp Switch Replacement.
  8. Install the vacuum hose and check valve to the vacuum brake booster. Refer to Power Brake Booster Inlet Hose Replacement.
  9. Install the master cylinder. Refer to Master Cylinder Replacement.
  10. Bleed the braking system. Refer to Hydraulic Brake System Bleeding.
  11. Install the instrument panel retainer. Refer to Instrument Panel Retainer Replacement.
  12. Install the instrument panel insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
  13. Install the instrument panel lower trim panel assembly. Refer to Knee Bolster Replacement.
  14. Road test the vehicle to inspect correct brake, stop lamp, and cruise control operation.