GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 7872 Dial Indicator Set


    Object Number: 881732  Size: SH
  1. Remove the oil pressure sensor.

  2. Object Number: 660558  Size: SH
  3. Measure crankshaft end play using J 7872 . The production value is 0.04-0.205 mm (0.0016-0.0081 in) and the service limit is 0.54 mm (0.0213 in). Replace the thrust bearings upon reassembly if the measured value exceeds the service limit.

  4. Object Number: 1336122  Size: SH
  5. Remove the crankshaft bearing cap side bolts.

  6. Object Number: 1336123  Size: SH
  7. Remove the crankshaft bearing cap bolts.
  8. Remove the crankshaft bearing caps.
  9. Set the bolts aside for use in plastic gauging if needed.
  10. Remove the crankshaft assembly.
  11. Remove the crankshaft bearings from the engine block and the bearing caps.
  12. Mark crankshaft bearings and caps so they may be installed in their original position.