How do I repair all ventilation coming out of a/c vents only no matter what selector is on


Asked by Sep 16, 2015 at 10:00 AM about the 2004 Ford Explorer XLT V6

Question type: Maintenance & Repair

My 2004 explorer ventilation only
comes out of a/c vents no matter
what selector is on

2 Answers


i think yours are controlled by vacuum. check for a vacuum leak hissing sound by the switch or eng compartment

Tom Demyan

Do you mean defrost vents? Rhodes is right, check the vacuum lines along the firewall in the engine compartment from the vacuum tree to where it enters the cabin.

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