GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 24086-C Piston Pin Remover/Installer Set


    Object Number: 61224  Size: SH
  1. Place the piston and connecting rod into the J 24086-C .
  2. Important: Ensure that the arrow on top of the piston faces towards the front of the engine.

  3. Coat the piston pin with clean engine oil.
  4. Press the piston pin into place.
  5. Inspect the piston for freedom of movement.
  6. Install the following parts of the oil control ring assembly:
  7. • The expander
    • The lower oil control ring
    • The upper oil control ring

    Notice: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.

    Important: In order to provide an effective compression seal, the ring gaps must be staggered.

  8. Install the upper and lower compression ring with the manufacturer's mark facing up.