LaCrosse FWD L4-2.4L (2011)
Brake Booster Vacuum Sensor: Service and Repair
Power Brake Booster Vacuum Sensor Replacement
Removal Procedure
Note: The power brake booster vacuum sensor is integral to the power brake booster vacuum pipes, and must be replaced as an assembly.
1. Apply the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
2. Remove the power brake booster vacuum pipe. Refer to Power Brake Booster Vacuum Pipe Replacement (3.0L, 3.6L) ().
3. Remove the power brake booster vacuum rear pipe. Refer to Power Brake Booster Vacuum Rear Pipe Replacement (3.0L, 3.6L) ().
4. Disconnect the power brake booster vacuum sensor electrical connector.
5. Release the power brake booster vacuum rear pipe from the retainer (1) on the dash panel.
6. Remove the power brake booster vacuum rear pipe and power brake booster vacuum sensor (2) from the power vacuum brake booster.
Installation Procedure
