Dash AC
I have a 2002 Winnebago Adventurer. No matter what I turn my control to, the air blows out the defrost vents and floor vents. I looked inside the front compartment but didn’t find any vacuum tubes. An...
Forum Discussion
The F53 chassis has no vacuum system. the chassis makers have to add one to operate the heating/ac dash vent system. This system consists of a small 12v vacuum pump and a small vacuum tank and associated vacuum hoses that go to the dash controls.
If there is no vacuum the default vent path is through the defrosters.
Check all these vacuum lines around the pump and tank, usually under the hood in front.
If there is no vacuum the default vent path is through the defrosters.
Check all these vacuum lines around the pump and tank, usually under the hood in front.
