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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 790 (Engine Mechanical - 2.0L) >> Repair Instructions - Off Vehicle >> Piston and Connecting Rod Disassemble

Piston and Connecting Rod Disassemble

WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

    Fig 1: Identifying Piston Rings
    GM1769819Courtesy of GENERAL MOTORS CORP.
    CAUTION: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.
  1. Disassemble the piston rings. Use a suitable tool to expand the rings. The piston rings must not be reused.
    2. Fig 2: Identifying Piston Pin Retainer Remover & Installer
    GM1769814Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: 2 retainers hold the piston pins in place. No special tools are required to remove the piston pins. Ensure that the piston pin is not damaged. Do not reuse the retainers.
  2. Remove the piston pin retainers using the EN-46745  and the EN-46745-4  . See Special Tools .
    3. Fig 3: Identifying Piston Pin
    GM1769821Courtesy of GENERAL MOTORS CORP.
  3. Remove the piston pin.
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