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So I was sick and tired of living with the cold air coming from just the interior defrost vents. I was hoping it was not a behind the dash blend door problem, so I decided to take a look at the vacuum lines heading to the vacuum manifold tucked behind the battery. As I was removing the manifold lines I noticed that many of the lines were collapsed and rotted and also flattened. I replaced them all with fresh hoses and now all is good. Cold air blowing from the main vents. I didn't put the vacuum manifold back behind the battery and just zipped tied it to the top of the battery. Heres a few pics of one of the collapsed lines and where the manifold ended up....
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
