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Crankshaft Position Sensor: Service and Repair

REMOVAL PROCEDURE

Tools Required
J 38197 Balancer Remover




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

INSTALLATION PROCEDURE




1. Position the crankshaft position sensor onto the engine block face.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the bolts to hold the sensor to the engine block face.

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

3. Position and install the crankshaft position sensor shield.
4. Connect the electrical connector.
5. Position the balancer onto the crankshaft.
6. Apply thread sealer GM-1052080 or equivalent to threads of crankshaft balancer bolt.

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

7. Install the serpentine accessory drive belt.
8. Connect the negative battery cable.