GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1801667  Size: SH

    Important: A piston ring expander must be used to remove and install the piston rings. Only expand the rings far enough to fit over the piston lands. If the rings are overexpanded, the top ring will shatter and the others will distort.

  1. Remove the piston rings (2) using a piston ring expander (1). Place each ring in a clean shop towel for storage.

  2. Object Number: 1801668  Size: SH

    Important: Do not reuse the piston pin retainers.

  3. Remove the piston pin retainers by using the removal access notch (1) in the side of the piston. Discard the piston pin retainers.

  4. Object Number: 1801670  Size: SH
  5. Slide the piston pin (1) out of the piston (2). The piston will disconnect from the connecting rod.