Operation CHARM: Car repair manuals for everyone.
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Piston Inspection Procedure

^ Inspect the pistons for the following conditions:
- Cracked ring lands, skirts, or pin bosses
- Ring grooves for nicks, burrs that may cause binding
- Warped or worn ring lands
- Piston pin retainer grooves for burrs
- Scuffed or damaged skirts
- Eroded areas at the top of the piston
- Worn piston pin bores or worn piston pins

^ Replace pistons that show any signs or damage or excessive wear.