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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston and Connecting Rod Disassemble

Piston and Connecting Rod Disassemble

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 24086-C  Piston Pin Remover/Installer. See Special Tools and Equipment .

    CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  1. Remove the piston rings from the pistons.
  2. Fig 1: Exploded View Of Piston Rings
    GM4967Courtesy of GENERAL MOTORS CORP.
  3. Press the piston pin from the connecting rod using the J 24086-C  .

    The piston pin has an interference fit into the connecting rod, and is full floating in the piston.

  4. Fig 2: Pressing The Piston Pin From The Connecting Rod Using J 24086-C
    GM4965Courtesy of GENERAL MOTORS CORP.
  5. Mark, separate, and organize the parts for assembly.
  6. Fig 3: Piston & Connecting Rod Components
    GM34671Courtesy of GENERAL MOTORS CORP.