GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 7872 Dial Indicator Set


    Object Number: 660553  Size: SH
  1. Remove the oil pressure sensor (1).
  2. Remove the oil pressure sensor adapter bolt (2).
  3. Remove the oil pressure sensor adapter (4) and washers (3).

  4. Object Number: 660558  Size: SH
  5. 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.

  6. Object Number: 660560  Size: SH
  7. Remove the crankshaft bearing cap side bolts.
  8. Remove the crankshaft bearing cap bolts.
  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.