Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Disconnect the engine wiring harness electrical connector (3) from the crankshaft position (CKP) sensor (1).
- Remove the CKP sensor bolt.
- Remove the CKP sensor from the engine block.
Discard the O-ring seals.
Installation Procedure
- Install new O-ring seals to the CKP sensor.
- Lightly lubricate the O-ring seals with clean engine oil.
- Install the CKP sensor into the engine block.
- Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CKP sensor bolt threads.
Caution: Refer to Fastener Caution in the Preface section.
- Install the CKP sensor bolt.
Tighten
Tighten the CKP sensor bolt to 10 N·m (89 lb in).
- Connect the engine wiring harness electrical connector (3) to the CKP sensor (1).
- Lower the vehicle.
- Perform the CKP System Variation Learn Procedure. Refer to
Crankshaft Position System Variation Learn.