C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
Camshaft Position Sensor: Service and Repair
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. If the vehicle is equipped with the underbody shield package, remove the steering linkage shield.
3. Disconnect the camshaft position (CMP) sensor electrical connector (3).
4. Remove the CMP sensor bolt (2).
5. Remove the CMP sensor (1).
6. Inspect the CMP sensor for wear, cracks or leakage if the sensor is not being replaced.
INSTALLATION PROCEDURE
IMPORTANT: Inspect the CMP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine
oil before installing.
1. Install the CMP sensor (1).
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: The CMP sensor bolt has self-tapping threads, care must be taken, NOT to strip the threads when installing.
2. Install the CMP sensor bolt (2).
Tighten
Tighten the bolt to 12 N.m (106 lb in).
3. Connect the CMP sensor electrical connector (3).