Piston and Connecting Rod Disassemble

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Tools Required

J 24086-C Piston Pin Remover/Installer Set

Using piston ring pliers, remove the piston rings from the piston.

Fig 1: Removing Piston Rings Using Piston Ring Pliers
Courtesy of GENERAL MOTORS CORP.
Install fork insert J 24086-920A into fixture J 24086-10.

Fig 2: Installing Fork Insert J 24086-920A Into J 24086-10
Courtesy of GENERAL MOTORS CORP.
Install the piston and connecting rod assembly onto J 24086-10.
Install J 24086-107 into the piston pin and J 24086-88A through the fixture and into J 24086-107.

Fig 3: Installing J 24086-107 & J 24086-88A
Courtesy of GENERAL MOTORS CORP.

CAUTION: 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.
Press the piston pin from the piston and connecting rod assembly.
The piston and pin are a matched set and are not to be serviced separately. Mark, sort, or organize the piston and the matching piston pin. Refer to Separating Parts .

Fig 4: Pressing Piston Pin From Piston & Connecting Rod Assembly
Courtesy of GENERAL MOTORS CORP.