Question about 2001 Ford F250 Super Duty Super Cab

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2001 f250 diesel

No heat or air to floor or cab vents only to defrost were do i start dont to take the dash apart if i dont have to help

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  • blea432 Jul 29, 2008

    Cant seem to find the vacuum leak, no heat/air flow in the cab vents only out defrost. Changed vacuum pump, no difference.

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Either your A/C vacuum hose has a hole in it or your valve inside the A/C blower is not opening and closing properly

Posted on Jun 04, 2009

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Had the same problem on my 2001 Super Duty.
Solution: leaking vaccume line to the auto locking hubs. It seems Ford saw fit to tie the two systems together. Once I fixed the lines to the hubs my vents worked properly.

Posted on Jun 14, 2008

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