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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
AC changes when going uphill
My ac starts coming out of the defroster vents then when I am off the hill it goes back to normal. I see that it was mentioned that the Vacuum ball / check valve goes bad. Is this correct?:us: