GM Service Manual Online
For 1990-2009 cars only

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

  1. The piston, piston pin and connecting rod assembly is of the full floating type.

  2. Object Number: 236178  Size: SH
  3. Remove the piston rings from the pistons using a suitable piston ring expander tool. Do not reuse the piston rings.

  4. Object Number: 166696  Size: SH
  5. Remove the piston snap rings (1) using a small screwdriver. Do not gouge the piston when removing the snap rings.

  6. Object Number: 261987  Size: SH
  7. Slide the piston pin out of the piston and connecting rod.
  8. Arrange the pistons, pins, rings, connecting rods and bearings in correct order.