Crankshaft Position Sensor: Service and Repair

Crankshaft Position Sensor Replacement

Removal Procedure

Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.





1. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (3.8L) (Exhaust Manifold Replacement - Right Side)Exhaust Manifold Replacement - Right Side (LS4) (Exhaust Manifold Replacement - Right Side).
2. Disconnect the crankshaft position (CKP) sensor electrical connector (1).





Note: Clean the area around the CKP before removal in order to avoid debris from entering the engine.

3. Remove the CKP sensor bolt.
4. Remove the CKP sensor.

Installation Procedure




1. Install the CKP sensor.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the CKP sensor bolt.

Tighten the bolt to 25 Nm (18 lb ft).




3. Connect the CKP sensor electrical connector (1).
4. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (3.8L) (Exhaust Manifold Replacement - Right Side)Exhaust Manifold Replacement - Right Side (LS4) (Exhaust Manifold Replacement - Right Side).
5. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn (Service and Repair).