Rollover Check Valve
Remove rollover check valve from vehicle. Blow into port "A". Air should flow out of port "B". Cover port "B". Blow into port "A". Air should flow through port "C". See Figure . If not, replace valve.
Remove rollover check valve from vehicle. Blow into port "A". Air should flow out of port "B". Cover port "B". Blow into port "A". Air should flow through port "C". See Figure . If not, replace valve.