GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6125-1B Slide Hammer
    • J 41818 Crankshaft Bearing Cap Remover

    Object Number: 55322  Size: SH

    Important: The crankshaft bearing caps are machined with the engine block for the proper clearances. Mark or identify each crankshaft bearing cap location and direction before removal. The crankshaft bearing caps MUST be installed to their original position and direction.

    Do not reuse the bearing cap M8 side bolts.

    Remove the bearing cap M8 side bolts prior to cap removal.

  1. Remove the crankshaft position sensor bolt.
  2. Remove the crankshaft position sensor.

  3. Object Number: 156155  Size: SH
  4. Remove the crankshaft bearing cap M8 side bolts.
  5. Remove the bearing cap M10 bolts and bolt/studs.
  6. Note the M10 bolt/stud locations.


    Object Number: 63188  Size: SH

    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.

  7. Install the J 41818 .
  8. Tighten
    Tighten the J 41818 bolts to 11 N·m (100 lb in).

  9. Install the J 6125-1B to the J 41818 in order to remove the crankshaft bearing caps.

  10. Object Number: 156152  Size: SH
  11. Remove the bearing caps.

  12. Object Number: 156151  Size: SH
  13. Remove the crankshaft.

  14. Object Number: 156153  Size: SH

    Important: Use care when handling the crankshaft. Avoid damage to the crankshaft position sensor reluctor ring teeth. Nicks, burrs or other damage to the teeth may effect On-Board Diagnostics (OBD) II system performance.

  15. Lay the crankshaft onto two wooden V-blocks or other protective surface.

  16. Object Number: 64293  Size: SH
  17. Remove the crankshaft bearings from the bearing caps and the engine block.
  18. Mark, sort, or organize the crankshaft bearings so they may be installed to their original position and location. Refer to Separating Parts .