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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
I have read a lot of the threads here relating to 4x4 problems but nothing to suggest that vacuum is part of the automatic 4x4 process on the 94 X 4.0L, 120K miles.
The problem: pushing the auto 4x4 button puts it in 4 wheel drive and a fairly high pitched, medium volume whistle begins at...
