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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Hydraulic Brake System) >> Repair Instructions >> Master Cylinder Replacement (LHD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
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 the pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
  3. Remove the battery. Refer to Battery Replacement .
  4. Remove the engine control module. Refer to Engine Control Module Replacement .
  5. Remove the battery tray. Refer to Battery Tray Replacement (without Engine Block Heater)Battery Tray Replacement (with Engine Block Heater) .
  6. Thoroughly clean the brake master cylinder reservoir and the brake master cylinder body to remove any dirt and debris.
  7. Disconnect the secondary brake pipe fitting and drain the brake fluid out of the brake master cylinder.
  8. Remove the brake pressure modulator valve secondary pipe. Refer to Brake Pressure Modulator Valve Secondary Pipe Replacement (LHD) .
  9. Remove the brake pressure modulator valve primary pipe. Refer to Brake Pressure Modulator Valve Primary Pipe Replacement (LHD) .
  10. Remove the EBCM/BPMV and bracket assembly. Refer to Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement .
  11. Fig 1: Brake Master Cylinder Nuts
    GM4007423Courtesy of GENERAL MOTORS COMPANY
  12. Remove the brake master cylinder nuts (1).
  13. Fig 2: Brake Master Cylinder
    GM4007446Courtesy of GENERAL MOTORS COMPANY
  14. Remove the brake master cylinder (1) from the power vacuum brake booster.
  15. Remove the brake master cylinder reservoir, if necessary. Refer to Master Cylinder Reservoir Replacement (LHD) .