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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Air Leak Solenoid Valve





The air leak solenoid valve supplies additional air to the intake manifold. The solenoid valve opens when the engine is running at idle with high intake air temperature. The solenoid valve operates to decrease idle emissions when the air injection to the exhaust manifold is cut.