Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2002EXPRESS 1 TON VAN V8-8.1L VIN GREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCAMSHAFT POSITION SENSORSERVICE AND REPAIR
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN G
Camshaft Position Sensor: Service and Repair
2002 Chevrolet Express 1 Ton Van V8-8.1L VIN GSECTION Service and Repair
REMOVAL PROCEDURE
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the camshaft position (CMP) sensor harness connector (3) at the CMP sensor (1).
3. Remove the CMP sensor retaining bolt (2).
4. Remove the CMP sensor (1).
5. 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.
2. Install the CMP sensor retaining bolt (2).
Tighten
Tighten the bolt to 12 N.m (106 lb in).
3. Connect the CMP sensor harness connector (3).
4. Lower the vehicle.
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the camshaft position (CMP) sensor harness connector (3) at the CMP sensor (1).
3. Remove the CMP sensor retaining bolt (2).
4. Remove the CMP sensor (1).
5. 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.
2. Install the CMP sensor retaining bolt (2).
Tighten
Tighten the bolt to 12 N.m (106 lb in).
3. Connect the CMP sensor harness connector (3).
4. Lower the vehicle.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.