GM Service Manual Online
For 1990-2009 cars only

Piston and Connecting Rod Disassemble 7.0L


Object Number: 1777116  Size: SH

Important: Do not attempt to disassemble or assemble the piston, pin, and connecting rod. The piston, pin, and connecting rod should be serviced as an assembly.

Piston and Connecting Rod Disassemble 6.2L


    Object Number: 1552501  Size: SH
  1. Remove the connecting rod bearings from the rod and cap.

  2. Object Number: 490763  Size: SH
  3. Using piston ring pliers, remove the piston rings from the piston.

  4. Object Number: 1366364  Size: SH
  5. Rotate the piston pin retainers until the ring end gaps are positioned in the cutout area (1) of the pin bore.

  6. Object Number: 1559866  Size: SH
  7. Remove the retainers starting in the cutout area of the pin bore.

  8. Object Number: 1559867  Size: SH
  9. Remove the pin from the piston and connecting rod.
  10. The piston and pin are a matched set and are not to be serviced separately.
  11. Mark, sort, or organize the piston and the matching piston pin.