LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2020 >> Canyon SL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Replacement >> Removal Procedure

Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

  1. Place the ignition switch in 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. Thoroughly clean the master cylinder reservoir and the master cylinder body to remove any dirt and debris.
  4. Disconnect the brake fluid level indicator switch electrical connector.
  5. Remove and properly dispose of the brake fluid in the master cylinder reservoir.
  6. GM3731988Courtesy of GENERAL MOTORS COMPANY

    If equipped with a manual transmission, disconnect the hydraulic clutch feed hose (1) from the master cylinder reservoir.

  7. Cap the clutch feed hose to prevent brake fluid loss and contamination.
  8. GM3686546Courtesy of GENERAL MOTORS COMPANY

    Disconnect the master cylinder secondary brake pipe fitting (1).

  9. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.
  10. GM3686548Courtesy of GENERAL MOTORS COMPANY

    Disconnect the master cylinder primary brake pipe fitting (1).

  11. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.
  12. GM3686552Courtesy of GENERAL MOTORS COMPANY

    Remove and DISCARD the 2 master cylinder nuts (1).

  13. Remove the master cylinder from the power brake booster.
  14. GM4034352Courtesy of GENERAL MOTORS COMPANY

    Inspect the master cylinder O-ring seal (1) for damage and replace, if necessary.

  15. GM4111078Courtesy of GENERAL MOTORS COMPANY

    If necessary, remove the master cylinder reservoir (1). Brake Master Cylinder Reservoir Replacement