Piston and Connecting Rod Disassemble

Tools Required: 

J 43654  Piston Pin Clip Remover and Installer

Fig 1: Expanding Piston Rings
Courtesy of GENERAL MOTORS CORP.
NOTE: You must use a piston ring expander 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 using a piston ring expander. Place each ring in a clean shop towel for storage.
Fig 2: Identifying Removal Access Notch In Side Of Piston
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
• The connecting rod is non-directional and may be assembled/reassembled to the piston in either direction.
• DO NOT reuse the piston pin retainers.
2. Using the J 43654  , remove the piston pin retainers by using the removal access notch (1) in the side of the piston. Discard the piston pin retainers.
Fig 3: Removing & Installing Piston Pin
Courtesy of GENERAL MOTORS CORP.
3. Slide the piston pin out of the piston. The piston will disconnect from the connecting rod.