GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 1999 🢒 Unit Repair 🢒 Engine 🢒 Engine Controls - 6.5L 🢒 Crankshaft Position Sensor Replacement

Removal Procedure
  1. Remove the negative battery cables.

    2. Object Number: 72319 Size: SH
  2. Remove the sensor electrical connector.
  3. Remove power steering pump. Refer to Power Steering Pump Removal.

    4. Object Number: 72320 Size: SH
  4. Remove the sensor mounting bolt.

    5. Object Number: 72321 Size: SH
  5. Remove the sensor from engine.

    6. Important: Care must be taken 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

    Object Number: 72321 Size: SH
  1. Lube the new O-ring with engine oil.
  2. Install the sensor in engine.

    3. Object Number: 72320 Size: SH
  3. Install the sensor mounting bolt.

    4. Tighten
    Tighten the mounting bolt to 25 N·m (18 lb ft).


    Object Number: 72319 Size: SH
  4. Install the sensor electrical connector.

    5. Important: A new TDC Offset must be learned after replacing a crankshaft position sensor. Refer to .

  5. Install the negative battery cables.