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Home >> Chevrolet >> 2022 >> Spark ACTIV, Standard Trans >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Vacuum Brake Booster Replacement (RHD) >> Removal Procedure

Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

  1. Turn the ignition switch to the OFF position.
  2. Apply and release the brake pedal several times until it becomes firm to deplete the brake booster vacuum reserve.
  3. Remove the brake master cylinder assembly. Refer to Brake Master Cylinder Replacement (LHD)  .
  4. Remove the power vacuum brake booster check valve and hose assembly from the brake booster grommet. Refer to Power Brake Booster Vacuum Check Valve and Hose Replacement (LHD)  .
  5. Remove the brake pressure modulator valve secondary pipe. Refer to Brake Pressure Modulator Valve Secondary Pipe Replacement (LHD)  .
  6. Remove the brake pressure modulator valve primary pipe. Refer to Brake Pressure Modulator Valve Primary Pipe Replacement (LHD)  .
  7. Remove the engine throttle body assembly. Refer to Throttle Body Assembly Replacement .
  8. Remove the I/P knee bolster. Refer to Instrument Panel Knee Bolster Replacement .
  9. GM4007458Courtesy of GENERAL MOTORS COMPANY

    Remove the retaining clip (1) and pin (2) from brake pedal.

  10. Disconnect the brake booster pushrod (3) from the brake pedal.
  11. GM4007459Courtesy of GENERAL MOTORS COMPANY

    Remove the brake, accelerator and clutch pedal bracket nuts (1) retaining the power vacuum brake booster assembly.

  12. GM4007466Courtesy of GENERAL MOTORS COMPANY

    Remove the power vacuum brake booster assembly (1) from the vehicle.