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October 7, 2005 Service bulletin

Vacuum pump inoperative or runs continuously - climate control defaults to defrost mode. tt

Ford technical service bulletin 05174 for 1999-2006 Ford F-250 SD, 1999-2006 Ford F-350 SD and 2000-2005 Ford Excursion and others.

Bulletin number
05174
Component
Visibility: defroster/defogger/HVAC system
Summary
Vacuum pump inoperative or runs continuously - climate control defaults to defrost mode. Tt

Owners of these vehicles have filed 76 complaints in the visibility category.

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