Piston and Connecting Rod Disassemble

Tools Required 

J 43654  Piston Pin Retainer Remover/Installer. See Special Tools .

1. Mark orientation of the piston to the connecting rod.
   Fig 1: Marking Orientation Of Piston To Connecting Rod

   Courtesy of GENERAL MOTORS CORP.
2. Remove the piston rings using a piston ring expander.
   Fig 2: View Of Piston Rings & Piston Expander

   Courtesy of GENERAL MOTORS CORP.
3. Remove the connecting rod bearing inserts.
   Fig 3: View Of Connecting Rod Bearing Inserts

   Courtesy of GENERAL MOTORS CORP.
4. Use J 43654  to remove the piston pin retainers. See Special Tools .
   Fig 4: View Of Piston Pin Retaining Clips

   Courtesy of GENERAL MOTORS CORP.
5. Remove the piston pin. The pin is a full-floating style and should slide from the piston.
6. Remove the piston from the connecting rod.