GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Engine 🢒 Engine Mechanical - 2.2L or 2.4L 🢒 Piston and Connecting Rod Disassemble

Special Tools

EN-46745 Piston Pin Retainer Remover and Installer

For equivalent regional tools, refer to Special Tools.


    Object Number: 2146346 Size: SH

    Warning: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.

  1. Disassemble the piston rings (1, 2, 3, 4, 5). Use a suitable tool to expand the rings. The piston rings must not be reused.

    2. Object Number: 2148518 Size: SH

    Note: Two 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  (1).

    3. Object Number: 2148520 Size: SH
  3. Remove the piston pin (1) and the connecting rod (3) from the piston (2).