GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 25070 Heat Gun, or equivalent


    Object Number: 897233  Size: SH
  1. Remove the piston rings (122) from the piston.

  2. Object Number: 897227  Size: SH
  3. Apply clean engine oil to the piston pin retaining clips (121).
  4. Rotate the clips and position the clip end gap to the cutout area of the piston pin bore (1).

  5. Object Number: 897229  Size: SH
  6. Remove the clips (121). Start in the cutout area of the piston pin bore.

  7. Object Number: 897231  Size: SH
  8. Use the J 25070 , or equivalent, to heat the piston and connecting rod assembly to approximately 70°C (158°F).

  9. Object Number: 897235  Size: SH
  10. Remove the pin (119) from the piston (120) and connecting rod (118).