Crankshaft Position Sensor: Service and Repair

Crankshaft Position Sensor Replacement

Sensor Shield:

REMOVAL PROCEDURE
1. Remove the negative battery cable.
2. Remove the serpentine belts from crankshaft pulley.
3. Raise the vehicle on a hoist.
4. Using 28 mm socket, remove the crankshaft harmonic balancer retaining bolt.
5. Remove the crankshaft harmonic balancer using J 38197
6. Remove the crankshaft position sensor shield. Do Not use a pry bar.
7. Disconnect the sensor electrical connector.
8. Remove the sensor from the block face.

Crankshaft Sensor:

INSTALLATION PROCEDURE
1. Position the Crankshaft Position Sensor onto the engine block face.
2. Install the bolts to hold the sensor to the engine block face.

3. Tighten
Tighten bolts to 20-40 N.m (14-28 lb ft).

NOTE: Refer to Fastener Notice in Service Precautions.

4. Position and install the Crankshaft Position Sensor Shield.
5. Connect the electrical connector.
6. Position the Balancer onto the Crankshaft.
7. Apply thread sealer GM-1052080 or equivalent to threads of Crankshaft Balancer bolt.

Tighten
Tighten bolt to 150 N.m +76° (110 lb ft +76°).

8. Lower the vehicle from the hoist.
9. Install the Serpentine accessory drive belt.
10. Connect the negative battery cable.