GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 10937  Size: SH
  1. Remove the engine oil pan.
  2. Refer to Oil Pan Replacement .

  3. Disconnect the crankshaft position (CKP) sensor electrical connector.
  4. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  5. Remove the water pump. Refer to Water Pump Replacement in Engine Cooling.
  6. Remove the CKP sensor. Refer to Crankshaft Position Sensor Replacement in Engine Controls.
  7. Remove the engine front cover. Refer to Engine Front Cover Removal .
  8. Discard the engine front cover.
  9. Clean all sealing surfaces.

Installation Procedure

    Notice: Do not reuse the engine front cover. Oil leaks may result.

  1. Install the NEW engine front cover. Refer to Engine Front Cover Installation .
  2. Install the CKP sensor with a NEW seal (O-ring). Refer to Crankshaft Position Sensor Replacement in Engine Controls.

  3. Object Number: 10937  Size: SH
  4. Install the engine oil pan.
  5. Refer to Oil Pan Replacement .

  6. Connect the CKP sensor electrical connector.
  7. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.
  8. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .