GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8037 Ring Compressor
    • J 41742 Connecting Rod Guide Pin
    •  J 45059 Angle Meter or SA9140E Torque Angle Gage

    Object Number: 1308086  Size: SH
  1. Select the proper size bearings. Refer to Connecting Rod Bearing Selection in Crankshaft and Bearing Cleaning and Inspection .
  2. Install the upper bearing half to the connecting rod.
  3. Install the J 41742 to the connecting rod in order to guide the connecting rod onto the crankshaft journal.

  4. Object Number: 897146  Size: SH
  5. Install the piston into the cylinder bore with the arrow or mark (1) on the top of the piston facing the front of the engine.

  6. Object Number: 897149  Size: SH
  7. Hold the J 8037 firmly against the engine block. Using a wooden hammer handle, lightly tap the top of the piston until all of the piston rings enter the cylinder bore.
  8. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 897150  Size: SH
  9. Install the lower bearing half (117), cap (116) and bolts (115).
  10. Tighten

    1. Tighten the bolts a first pass to 20 N·m (14 lb ft).
    2. Tighten the bolts a final pass an additional 90 degrees using the J 45059 or the SA9140E .

    Object Number: 897392  Size: SH
  11. Measure the connecting rod end-play. Insert a feeler gage between the connecting rod and crankshaft.
  12. Specification

        • Connecting rod end play - new: 0.15-0.35 mm (0.006-0.014 in)
        • Connecting rod end play - service limit: 0.45 mm (0.018 in)
  13. If the connecting rod end-play is not within the service limit, install a new connecting rod and measure again. If it is still not within the service limit, replace the crankshaft.