Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
You can easily check the operation of the "check valve"
Just pull it out (remember which colour goes in which direction" and then suck and blow the valve in both directions. It is a uni directional valve so it should only go one way. Mine had got stuck and after blowing and sucking the valve...
I read this thread after been annoyed for months by this Hissing noise at 2000rpm when in Drive only. I stripped the Vacuum check valve sucked and blew it on both directions and it started to work again. Replaced it and we are good. No more hissing. You guys rock. I guess the valve seat had...
