heat adjuster in front clicks when sliding from cold to hot

2006 FORD FREESTAR
140,000 MILES • 2WD • AUTOMATIC
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KIER
  • MEMBER
  • 2 POSTS
when i put the heater on, it only blew heat in the back, blowing cold in the front.
i could hear a clicking sound as i slid the temp adjuster from cold to warm.
when on cold - no clicking, as soon as the sliding adjuster passed the midway point- more clicking.
after a while the clicking stopped and hot air came out.
i tried it again an hour later, the clicking was there again, and hot air was only blowing in the back of the van, cold air in the front, slide the temperature adjuster to cold and the clicking stopped again.
How can i fix???
Sep 8, 2015 at 11:49 AM
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HMAC300
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  • 48,601 POSTS
it may be a bad blend door in rear. try pulling fuse in pic with key on for 60 seconds it may reset it otherwise it will have to be checked to see if it's getting pwer or not and may be a control problem.
Sep 9, 2015 at 6:55 AM