GM Service Manual Online
For 1990-2009 cars only

Object Number: 1310003  Size: SH

Important: The piston and connecting rod are only serviced as an assembly. If a new piston or connecting rod is required, a complete piston/connecting rod assembly must be used.

Important: New connecting rod nuts must be used when the pistons are reinstalled in the engine.

Remove the piston rings (121) from the piston.