Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Mercury >> 1981 >> Lynx LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> THERMACTOR Systems >> Testing >> Air Supply Control Valves >> Air Control/Shut-Off Valve

Air Control/Shut-Off Valve

Download the full database via torrent (~1.1 TB)

Verify that air flow is present at valve inlet by disconnecting air supply hose momentarily at valve inlet. See Figure. Disconnect hose from outlet and vacuum line from nipple. With engine running at 1500 RPM, air should be heard and felt at outlet. Connect direct manifold vacuum to nipple. There should be little or no air flow at valve outlet.