LaCrosse V6-3.8L (2009)
Crankshaft Position Sensor: Service and Repair
Crankshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Removal Procedure
Crankshaft Position Sensor Shield
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (LS4) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
3. Remove the crankshaft harmonic balancer. Refer to Crankshaft Balancer Replacement (See: Engine, Cooling and Exhaust/Engine/Cylinder Block
Assembly/Harmonic Balancer - Crankshaft Pulley/Service and Repair).
4. Disconnect the crankshaft position (CKP) sensor electrical connector.
5. Remove the CKP sensor shield (1). DO NOT use a pry bar.
6. Remove the CKP sensor studs.
7. Remove the CKP sensor.
Installation Procedure