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Buick Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer) > < Utility/Van Zoning|Page 4492
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Camshaft Position Sensor: Service and Repair

CAMSHAFT POSITION (CMP) SENSOR REPLACEMENT

REMOVAL PROCEDURE

1. Turn OFF the ignition.
2. Remove the power steering pump.
3. Disconnect the camshaft position (CMP) sensor electrical connector.
4. Remove the attaching bolt.
5. Remove the CMP sensor.
6. Inspect the CMP sensor O-ring for wear, cracks, or leakage if the sensor is not being replaced.

INSTALLATION PROCEDURE

1. Lubricate the O-ring with clean engine oil. Replace the O-ring if the O-ring is damaged.

2. Install the CMP sensor.

NOTE:  Refer to Fastener Notice in Service Precautions.

Tighten the retaining bolt to 8 N.m (71 lb ft).

3. Connect the CMP sensor electrical connector.
4. Install the power steering pump.

Coolant Temperature Sensor/Switch (For Computer) > < Utility/Van Zoning|Page 4492