Operation CHARM: Car repair manuals for everyone.
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

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Piston, Engine


Piston & Connecting Rod Assembly:




When installing piston and rod assembly, valve cut must face toward manifold side of engine. Turbocharged engine pistons will have an arrow or dimple toward front of engine. Oil hole on connecting rod must face timing belt side of engine.