GM Service Manual Online
For 1990-2009 cars only

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


    Object Number: 236178  Size: SH
  1. Disassemble the piston rings. Use a suitable tool in order to expand the rings. The piston rings must not be reused.

  2. Object Number: 166696  Size: SH
  3. Using a screwdriver, remove the piston snap rings (1).

  4. Object Number: 261987  Size: SH
  5. Carefully remove the piston pin from the piston and connecting rod.
  6. • The piston and pin are a matched set.
    • Arrange the pistons, pins, rings, connecting rods and bearings in correct order.