Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2007 >> HHR L4-2.2L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Overhaul >> Repair Instructions >> 28. Piston and Connecting Rod Disassemble
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

28. Piston and Connecting Rod Disassemble



Piston and Connecting Rod Disassemble

Tools Required

EN-46745 Piston Pin Retainer Remover and Installer





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.





Important: 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.




3. Remove the piston pin.

pro multis · About Operation CHARM