Crankshaft Position Sensor: Service and Repair

Crankshaft Position Sensor:

REMOVE OR DISCONNECT
1. Negative battery cable.
2. Serpentine belts from crankshaft pulley.
3. Raise vehicle on hoist.
4. Right front tire and wheel assembly.
5. Right inner fender access cover.
6. Using 28 mm socket, remove crankshaft harmonic balancer retaining bolt.
7. Crankshaft harmonic balancer using special tool (J 38197).

Crankshaft Position Sensor Shield:

8. Crankshaft position sensor shield (Do Not use pry bar).
9. Sensor electrical connector.
10. Sensor from block face.

INSTALL OR CONNECT
1. Crankshaft position sensor to block.
2. Bolts to hold sensor to block face, torque to 20-40 Nm (14-28 in lb).
3. Crankshaft position sensor shield.
4. Electrical connector.
5. Balancer on crankshaft.
6. Apply thread sealer GM #1052080 or equivalent to threads of crankshaft balancer bolt. Torque bolt to 150 Nm + 76° (110 ft lb + 76°).
7. Inner fender shield.
8. Tire and wheel assembly. Torque lug nuts to 140 Nm (104 ft lb).
9. Lower vehicle.
10. Serpentine belt.
11. Negative battery cable.