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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (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 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 24086-C  Piston Pin Remover/Installer

WARNING: Wear safety glasses in order to avoid eye damage.
  1. Remove the piston rings from the pistons.
    Fig 1: Removing Piston Rings
    G02078048Courtesy of GENERAL MOTORS CORP.
  2. 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.

    Fig 2: Pressing Piston Ring From Connecting Rod Using J 24086-C
    G02078049Courtesy of GENERAL MOTORS CORP.
  3. Mark, separate, and organize the parts for assembly.
    Fig 3: Marking, Separating & Organizing Parts For Assembly
    G02078050Courtesy of GENERAL MOTORS CORP.