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.
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HOMESERVICE MANUALSCHEVROLET2003MALIBU V6-3.1L VIN JREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCAMSHAFT POSITION SENSORSERVICE AND REPAIR
2003 Chevrolet Malibu V6-3.1L VIN J
Camshaft Position Sensor: Service and Repair
2003 Chevrolet Malibu V6-3.1L VIN JSECTION Service and Repair
REMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Remove the power steering pump.
3. Disconnect the sensor electrical connector.
4. Remove the attaching bolt.
5. Remove the sensor.
6. Inspect the 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 camshaft position sensor.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the retaining bolt to 8 N.m (71 lb in).
3. Connect the sensor electrical connector.
4. Install the power steering pump.
Locations View:
1. Turn OFF the ignition.
2. Remove the power steering pump.
3. Disconnect the sensor electrical connector.
4. Remove the attaching bolt.
5. Remove the sensor.
6. Inspect the 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.
Locations View:
2. Install the camshaft position sensor.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the retaining bolt to 8 N.m (71 lb in).
3. Connect the sensor electrical connector.
4. Install the power steering pump.
RENDER: 1.0x
NO RELATED
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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.