Ford SD/Excursion 4x4 Driveline Questions
When I bought this truck one of the hubs was slightly hanging out so I knew I would need hubs so I had a shop replace both hubs they found a vacuum line leak that they patched and said 4x4 worked. I p...
Forum Discussion
Will not hurt anything to keep the hubs locked. Sounds like you still have a vacuum leak. I would replaced the hoses on the front axles and also check the black box by your battery. A lot of times one of those lines will come loose and that will make you A/C come out the defroster vents and not the dash.
