Express 1500 RWD V6-4.3L VIN X (2005)
Crankshaft Position Sensor: Service and Repair
Crankshaft Position (CKP) Sensor Replacement
CRANKSHAFT POSITION (CKP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
IMPORTANT: Perform the CKP system variation learn procedure whenever the crankshaft position (CKP) sensor is removed or replaced. Refer to
CKP System Variation Learn Procedure.
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the CKP sensor harness connector.
3. Remove the CKP sensor mounting bolt.
4. Remove the CKP sensor.
INSTALLATION PROCEDURE
IMPORTANT: When installing the CKP sensor, make sure the sensor is fully seated before tightening the mounting bolt. A poorly seated CKP
sensor may perform erratically and may set false DTCs.
1. Replace the CKP sensor O-ring.
IMPORTANT: Do not use the original O-ring.
2. Lubricate the O-ring with clean engine oil before installing the CKP sensor.