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...
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On my F350 I had to aslo manually lock the hubs as the auto would not work. Vacuum leak in the hubs. My owners manual said not to leave in the locked position except when 4x4 is engaged. Ckeck your manual to be sure, mine was an 06.
