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
Based on the age of the coach my bet is you need to replace the vacuum lines. That is what fixed my 2003 Dolphin on a Workhorse W22. The Evcon Dash air uses vacuum lines and when there is a leak, the default is to defrost.
