GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41221 Oil Seal Installer

Removal Procedure

  1. Remove air cooling layer. Refer to Cooling Layer Removal .
  2. Remove cooling fan. Refer to Fan Replacement .
  3. Remove generator. Refer to Generator Replacement .
  4. Remove the generator bracket. Refer to Generator Bracket Replacement .
  5. Remove water pump belt. Refer to Drive Belt Replacement .
  6. Remove water pump. Refer to Water Pump Replacement .
  7. Remove the crankshaft (damper) pulley. Refer to Crankshaft Balancer Replacement .
  8. Remove the front cover oil seal. Refer to Crankshaft Front Oil Seal Replacement .
  9. Remove the front cover bolts.
  10. Remove the front cover.
  11. Important: The oil slinger must be replaced if the front cover oil seal has been removed.

  12. Using the J 41221 , remove the oil slinger.

Installation Procedure

  1. Apply clean engine oil to the oil slinger.
  2. Insert the oil slinger into the adapter.
  3. Install the oil slinger sleeve to the adapter.
  4. Install the J 41221 on the crankshaft
  5. Tighten the center bolt until the sleeve comes in contact with the adapter and stops.
  6. Inspect the distance between the crankshaft end surface and the oil slinger at several points, ensuring that the measurement is 11.5 mm (0.453 in).
  7. Apply sealant on the cylinder block.
  8. Install the front cover.
  9. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  10. Install the front cover bolts.
  11. Tighten
    Tighten the front cover bolts to 19 N·m (14 lb ft).

  12. Install the front cover oil seal. Refer to Crankshaft Front Oil Seal Replacement .
  13. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  14. Install air cooling layer. Refer to Cooling Layer Removal .
  15. Install cooling fan. Refer to Fan Replacement .
  16. Install generator. Refer to Generator Replacement .
  17. Install the generator bracket. Refer to Generator Bracket Replacement .
  18. Install water pump belt. Refer to Drive Belt Replacement .
  19. Install water pump. Refer to Water Pump Replacement .