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)

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Auxiliary Air Valve (Idle Speed): Service and Repair

This procedure should be performed only on a cold or cool engine.
1. Disconnect battery ground cable.
2. Remove bolts and plenum chamber.
3. Disconnect electrical connector and hoses from auxiliary air valve.
4. Remove mounting bolts and auxiliary air valve from intake manifold.
5. Reverse procedure to install.