Piston and Connecting Rod Disassemble (LDK, LHU)

Special Tools

• EN-46745  Piston Clip Retainer Remover/Installer
• EN-46745-4  Piston Clip Retainer Remover/Installer Adapter

For equivalent regional tools, refer to Special Tools (LDK, LHU) .

Fig 1: Disassembled View Of Piston And Rings
Courtesy of GENERAL MOTORS COMPANY
WARNING:

Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.

1. Disassemble the piston rings (1). Use a suitable tool to expand the rings. The piston rings must not be reused.
Fig 2: Piston Pin Retainer Removal Tool
Courtesy of GENERAL MOTORS COMPANY
NOTE:

2 retainers hold the piston pins in place. No special tools are required to remove the piston pins. Ensure that the piston pin is not damaged. Do not reuse the retainers.

2. Remove the piston pin retainers using the EN-46745  remover (1) and the EN-46745-4  adapter.
Fig 3: Piston, Connecting Rod And Piston Pin
Courtesy of GENERAL MOTORS COMPANY
3. Remove the piston pin (1) and connecting rod (3) from the piston (2).