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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Hydraulic Brake System) >> Repair Instructions >> Brake Master Cylinder Replacement (Without HP4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the ignition switch in the OFF position.
  2. Apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
  3. Without draining the coolant and without disconnecting the hoses, position aside the radiator surge tank. - Radiator Surge Tank Replacement (LTG) , or Radiator Surge Tank Replacement (LKN) , or Radiator Surge Tank Replacement (LFV)
  4. Disconnect the brake fluid level sensor electrical connector.
  5. GM4234155Courtesy of GENERAL MOTORS COMPANY

    Master Cylinder Secondary Brake Pipe Fitting (1) - Disconnect

  6. Cap the brake pipe fitting and plug the brake master cylinder outlet port to prevent brake fluid loss and contamination.
  7. GM4234158Courtesy of GENERAL MOTORS COMPANY

    Master Cylinder Primary Brake Pipe Fitting (1) - Disconnect

  8. Cap the brake pipe fitting and plug the brake master cylinder outlet port to prevent brake fluid loss and contamination.
  9. GM4234159Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT reuse the master cylinder nuts.

    Master Cylinder Nut (1) - Remove and DISCARD [2x]

  10. GM4234608Courtesy of GENERAL MOTORS COMPANY

    Master Cylinder (1) - Remove

  11. GM4234170Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Seal (1) - Remove and DISCARD