GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Cobalt 🢒 Engine 🢒 Engine Mechanical - 2.0L 🢒 Piston and Connecting Rod Disassemble

Special Tools

    • EN-46745 Piston Clip Retainer Remover/Installer
    • EN-46745-4 Piston Clip Retainer Remover/Installer Adapter

For equivalent regional tools, refer to Special Tools


    Object Number: 1769819 Size: SH

    Warning: 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. Object Number: 1769814 Size: SH

    Note: 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 remover/installer and the EN-46745-4 adapter .

    3. Object Number: 1769821 Size: SH
  3. Remove the piston pin.