Question about 2003 Lincoln Navigator
What cause A/C unit to jump from vents to defroster
Posted by Anonymous on
Could be a vacuum leak, or a faulty EATC ( Electronic Automatic Temperature Control) Module. Ford is notorious for these problems, but I mainly know because my 07 Cafillac CTS had the same issue. First the mechanic checked the vacuum lines to make sure they were holding pressure, then discovered it was the EATC module going bad. Mine was under warranty, so I don't recall if he said what prices were.
Posted on Jul 16, 2014
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Posted on Jan 02, 2017
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