Crankshaft Position Sensor: Service and Repair

REMOVAL PROCEDURE




1. Disconnect the negative battery cable.
2. Raise the vehicle.
3. Remove/loosen the Starter Motor (1).
4. Disconnect the electrical connector from the CKP sensor (2).




1. Remove the CKP sensor mounting bolt (1).
2. Remove the CKP sensor (2) from the engine block.
- Remove the sensor by pulling on the sensor connector. Do not pry on the bracket.
- Do not rotate (twist) the sensor or damage the mounting bracket (if the sensor is being reused).

INSTALLATION PROCEDURE





IMPORTANT: When replacing the CKP sensor (new or reinstallation of the original sensor), use the following recommended procedures:
^ Make sure that the CKP sensor bore is completely free of any foreign material (old O-ring, dirt, burrs, etc.).
^ Make sure that the flange on the CKP sensor bore is not damaged.
^ Clean all mounting surfaces before re-installing components.
^ Inspect the CKP sensor and replace if any of the following conditions are present:
- The bracket is damaged.
- The face of the sensor (bottom of brass housing) exhibits any damage.
- Never install a sensor that has been dropped.
^ Lubricate the O-ring on the sensor prior to installing the sensor (use Amojell or clean engine oil).
^ Check all connectors for damaged terminals.

1. Lubricate the CKP sensor O-rings.
2. Install and fully seat the CKP sensor (2) into the engine block.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the CKP sensor mounting bolt (1).

Tighten
Tighten the mounting bolt to 9 N.m (80 Lb. in.)

4. Ensure that the CKP sensor mounting flange is contacting the engine block.




1. Connect the CKP sensor electrical connector to the CKP sensor (2).
2. Re-install/tighten the Starter Motor (1).
3. Reconnect the negative battery cable.
4. Lower the vehicle.
5. The CKP System Variation Learn Procedure must be performed after replacing the CKP sensor. Even if the original sensor is reinstalled, the Learn Procedure must be performed. Testing and Inspection