air in defrost only. help!
What would make my f-350 only blow air out of the defrost?? tried all controls
and the heat but only blows out of dfrost. Can anybody help me out here |
Defrost is the fail-safe position; sounds like you may have a major vacuum leak.
Welcome to FTE! Steve |
This is an extremely common discussion topic.
Page back a few weeks for previous discussions or take advantage of the SEARCH tool keywords "+defrost +vacuum". Steve |
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