hi
i have a 2006 f350 crew cab shortbed 6.0 auto 4x4 lariet.
when i put the truck in 4x4, (auto hubs) it goes in 4x4 and out while driving, also when i am on the gas, spining the wheels in snow or mub i hear gears grinding in the front then 4x4 kicks in, then sometimes it will not unlock...