AIR17 - Check For Air at Outlet A

Air Control Valve (Thermactor Bypass Valve):

^ Key ON engine RUNNING.

^ Apply 34 kPa (10 in Hg) of vacuum to AIRD valve.

^ Increase engine speed to 15OO rpm.

^ Does air flow come out of outlet A?

YES -- Go to AIR18. AIR18 - Check For Air at Outlet B

NO -- Replace AIRD valve. Verify drive concern.