LaCrosse FWD L4-2.4L (2011)
Brake Master Cylinder: Removal and Replacement
Master Cylinder Replacement
Removal Procedure
1. Turn the ignition switch to 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. Remove the intake manifold cover, if necessary. Refer to Intake Manifold Cover Replacement (See: Engine, Cooling and Exhaust/Engine/Intake
Manifold/Service and Repair/Intake Manifold Cover Replacement).
4. Using a suitable tool, remove and properly dispose of the brake fluid from the master cylinder reservoir.
5. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank
Replacement (See: Engine, Cooling and Exhaust/Cooling System/Coolant Reservoir/Service and Repair).
6. Disconnect the brake fluid level indicator switch electrical connector.
7. Disconnect the master cylinder primary brake pipe fitting (1).
8. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
9. Disconnect the master cylinder secondary brake pipe fitting (2).
10. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
