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2010 STX F-150 no heat!

Need some help to find out why I am not getting cabin heat.

Coolant level is fine.
Water temp looks good.
Fan cycles work.
A/C works.

Noticed that when it was working, the temp control would make noise when adjusted. A motorized sound, I'm assuming it was the Air Door Actuator. Ever since I lost heat I don't hear anything. If this is my problem, how do I get to it?

Thanks, Longbeard
 

blacksnapon

Moderator
Staff member
It'll probably be the actuator behind the glovebox.
 

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