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

Low Vacuum Air Control Valve

1. With engine idling at normal operating temperature, disconnect vacuum line from low vacuum mode assembly.
2. Check to make sure air is diverting to air cleaner. If not, replace control valve.

NOTE:
- SEE EMISSION CONTROL APPLICATION CHARTS to determine application of control switches and valves.

- Refer to the number stamped on the base of the switch or valve for calibrated switching or activation temperatures.