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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 752 (Engine Mechanical - 3.1L (Unit Repair)) >> Repair Instructions >> Piston and Connecting Rod Disassemble

Piston and Connecting Rod Disassemble

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 24086-C  Piston Pin Remover/Installer Set

  1. Using piston ring pliers, remove the piston rings from the piston.
    Fig 1: Removing Piston Rings
    G01811132Courtesy of GENERAL MOTORS CORP.
  2. Install fork insert J 24086-310 into fixture J 24086-10  Piston Pin Remover/Installer Base.
    Fig 2: Installing Fork Insert J 24086-310
    G01811133Courtesy of GENERAL MOTORS CORP.
  3. Install the piston and connecting rod assembly onto J 24086-10. 
  4. Install the J 24086-107 onto the piston pin and J 24086-88A through the fixture and onto J 24086-107.
    Fig 3: Installing J 24086-107 Onto Piston Pin & J 24086-88A
    G01811134Courtesy 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.
  5. Press the piston pin from the piston and connecting rod assembly.
  6. 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.
Fig 4: Pressing Piston Pin From Piston
G01811135Courtesy of GENERAL MOTORS CORP.