GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1997 🢒 Trans Sport 🢒 Engine 🢒 Engine Mechanical - 3.1L and 3.4L 🢒 Piston and Connecting Rod Disassemble

Tools Required

J 24086-C Piston Pin Remover/Installer

Caution: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.


    Object Number: 4977 Size: SH
  1. Disassemble the piston rings. Use a suitable tool in order to expand the rings. Do not re-use the piston rings.

    2. Object Number: 4978 Size: SH

    Important: Make sure that no load is put on the piston during disassembly.

  2. Place the piston and connecting rod assembly into the J 24086-C . Ensure that the flat side or the inside of the piston is up when installing the piston and rod assembly into the fork.
  3. Press out the piston pin.