GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the crankshaft balancer.
  2. Refer to Crankshaft Balancer Replacement Crankshaft Balancer Replacement .

  3. Remove the water pump. Refer to Water Pump Replacement in Engine Cooling.
  4. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .

  5. Object Number: 176052  Size: SH
  6. Remove all the engine oil pan fasteners except the two nuts at the rear of the engine.
  7. Carefully separate the engine oil pan from the engine front cover.
  8. Disconnect the crankshaft position (CKP) sensor wire.

  9. Object Number: 69010  Size: SH
  10. Remove the engine front cover. Refer to Engine Front Cover Removal .

Installation Procedure


    Object Number: 69010  Size: SH
  1. Install the engine front cover. Refer to Engine Front Cover Installation .

  2. Object Number: 32086  Size: SH
  3. Clean all sealer from the corners of the oil pan gasket where it meets the engine front cover.
  4. Important: Apply the proper amount of adhesive GM P/N 12346141 or equivalent 25 mm (1.0 in) into the area where the engine front cover meets the engine block oil pan surface.

  5. Apply a 5 mm (0.196 in) bead of adhesive, GM P/N 12346141 or equivalent, 25 mm (1.0 in) long to the engine front cover to engine block junction.

  6. Object Number: 176052  Size: SH
  7. Install the engine oil pan. Refer to Oil Pan Replacement .
  8. Connect the crankshaft position (CKP) sensor wire.
  9. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.
  10. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .