AC problem
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New User
Joined: Jul 2010
Posts: 1
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AC problem
I just purchased my first super duty. It's an 05 XLT with the 6.0L diesel in it. The MAX AC does not seem to be working. I'm use to the air blowing more and louder with it in MAX with the truck I had before (an 05 F150). It makes no difference wether I'm in normal or max with the AC switch the sound is the same and I'm pretty sure it's still outside air coming in. Any thoughts would be greatly appreciated.
Posting Guru
Joined: Jul 2005
Posts: 1,617
Likes: 4
From: Denver, Co
Air paths are selected via shutter doors within the housing that sits behind the glove box. If memory serves me correctly, the outside air/recirculation door is vacuum operated. Hence, you will need to start combing through vacuum lines going to/coming from there.
