TrailBlazer 2WD V8-6.0L (2009)
Brake Booster Vacuum Sensor: Service and Repair
Power Brake Booster Vacuum Sensor Replacement
Removal Procedure
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. Disconnect the power brake booster vacuum sensor electrical connector.
4. Remove the power brake booster vacuum sensor (1).
Installation Procedure
1. Install the power brake booster vacuum sensor (1).
If necessary, a small amount of denatured alcohol may be used as a lubricant to ease installation. Do not use soap.
2. Connect the power brake booster vacuum sensor electrical connector.
