GM/Detroit 6.5L ENGINE CONTROLS – Crankshaft Position Sensor Replacement

Removal Procedure

1. Remove the negative battery cables.
2. Remove the sensor electrical connector.
3. Remove power steering pump. Refer to Power Steering Pump Replacement (6.5L) in Power Steering.

4. Remove the sensor mounting bolt.

5. Remove the sensor from engine.

Important: Care must betaken when handling the sensor. Damage to the sensor will affect proper operation of the injection timing control system.
6. Inspect the sensor O-ring for wear, cracks or leakage and replace if necessary.

Installation Procedure
1. Lube the new O-ring with engine oil
2. Install the sensor in the engine.

Notice: Refer to Fastener Notice in Cautions and Notices.
3. Install the sensor mounting bolt.
Tighten
Tighten the mounting bolt to 25 N-m (18 lb ft).

4. Install the sensor electrical connector,
5. Install the power steering pump. Refer to Power Steering Pump Replacement (6.5L) in Power Steering.
6. Install the negative battery cables.
Important: A new TDC Offset must be learned after replacing a crankshaft position sensor. Refer to TDC Offset Adjustment.