CTS Sedan AWD V6-3.0L (2010)
Brake Booster Vacuum Sensor: Service and Repair
Power Brake Booster Vacuum Sensor Replacement
Removal Procedure
1. Turn the engine OFF.
2. Apply and release the brake pedal several times until the pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
3. Disconnect the power brake booster vacuum sensor electrical connector.
4. Remove the power brake booster vacuum sensor (1).
5. Remove the power brake booster vacuum sensor grommet (1).
Installation Procedure