Piston and Connecting Rod Disassemble: Notes

Tools Required 

J 24086-C  Piston Pin Remover/Installer Set

Fig 1: View Of Piston & Connecting Rod Components
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
• Disassembly of the piston, press-fit design piston pin, and connecting rod may create scoring or damage to the piston pin and piston pin bore. If the piston, pin, and connecting rod have been disassembled, replace the components as an assembly.
• The disassembly procedure, as shown, is to be used for diagnostic purposes only.
1. Remove the connecting rod bearings (3) from the rod (2) and cap (4).
Fig 2: Removing/Installing Piston Rings
Courtesy of GENERAL MOTORS CORP.
2. Using piston ring pliers, remove the piston rings from the piston.
Fig 3: View Of J 24086-920A & J 24086-10
Courtesy of GENERAL MOTORS CORP.
3. Install fork insert J 24086-920A into J 24086-10 .
Fig 4: View Of J 24086-107 & J 24086-88A
Courtesy of GENERAL MOTORS CORP.
4. Install the piston and connecting rod assembly onto J 24086-10 .
5. Install J 24086-107 to the piston pin.
6. Install J 24086-88A through the fixture and to the J 24086-107.
Fig 5: View Of J 24086-88A
Courtesy of GENERAL MOTORS CORP.
NOTE: After the installer hub bottoms on the support assembly, do not exceed 35 000 kPa (5,000 psi) pressure, this could cause damage to the tool.
7. Press the piston pin from the piston and connecting rod assembly.