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Home >> GMC >> 2011 >> Terrain FWD L4-2.4L >> Repair and Diagnosis >> Brakes and Traction Control >> Power Brake Assist >> Brake Booster Vacuum Sensor >> Service and Repair
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Brake Booster Vacuum Sensor: Service and Repair




Power Brake Booster Vacuum Sensor Replacement (2.4L)

Removal Procedure

1. With the engine OFF, apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
2. Disconnect the power brake booster vacuum sensor electrical connector.




3. Remove the power brake booster vacuum sensor (1) from the power vacuum brake booster.




4. Release the spring clamp (1) and remove the power brake booster vacuum hose from the power brake booster vacuum sensor (2).

Installation Procedure





Note: A small amount of denatured alcohol may be used to ease assembly. Do not use soap.

1. Release the tension on the spring clamp (1) and install the power brake booster vacuum hose to the power brake booster vacuum sensor (2).





Note: A small amount of denatured alcohol may be used to ease assembly. Do not use soap.

2. Install the power brake booster vacuum sensor (1) to the power vacuum brake booster.
3. Connect the power brake booster vacuum sensor electrical connector.

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