GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 36660-A Torque Angle Meter
    • J 8037 Piston Ring Compressor

    Object Number: 236267  Size: SH
  1. Install the connecting rod bearings. Use the proper size bearings.
  2. Lubricate the connecting rod bearings with engine oil.

  3. Object Number: 236293  Size: SH
  4. Install the piston and the connecting rod to the correct bore.
  5. 3.1. Stagger each piston ring end gap equally around the piston.
    3.2. Lubricate the piston and the piston rings with engine oil.
    3.3. Install J 8037 over the piston. Do not disturb the piston ring end gap location.
    3.4. The piston must be installed so that the mark on the top of the piston (1) faces the front of the engine.
    3.5. Place the piston in its matching bore.
    3.6. Tap the piston into its bore with a hammer handle. Guide the connecting rod to the connecting rod journal while tapping the piston into place.
    3.7. Hold the J 8037 against the engine block until all the rings have entered the cylinder bore.

    Object Number: 236295  Size: SH

    Important: Ensure that the connecting rod cap is properly oriented on the connecting rod.

  6. Install the connecting rod caps.

  7. Object Number: 236149  Size: SH

    Notice: This bolt is designed to permanently stretch when tightened, and therefore MUST be replaced anytime it is removed. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged.

  8. Install the connecting rod cap bolts.
  9. Notice: Refer to Fastener Notice in the Preface section.

  10. Progressively torque the connecting rod cap bolts using 2 steps.
  11. Tighten

    1. 1st Pass - Tighten the connecting rod cap bolts to 30 N·m (22 lb ft)
    2. 2nd Pass - Mark the front of the connecting rod cap bolts with paint then rotate 90 degrees using the J 36660-A .