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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Pulsair Valve: Testing and Inspection


1. Inspect PULSAIR valve and hoses for leaks and cracks. Replace as necessary.
2. Disconnect PULSAIR hose from valve fitting.
3. Disconnect PULSAIR solenoid from valve--if equipped.
4. Connect a suitable hand held vacuum pump to valve and apply a minimum vacuum of 15 inches Hg to valve.
5. Time vacuum drops from 15 inches to 5 inches of mercury--in less than two seconds--replace PULSAIR valve.