Automotive Air Conditioning Information Forum

Posted: **Mon Sep 21, 2020 4:21 am**

My dash AC was recharged by my RV shop last year and it produced cool air well enough since this procedure. That said, I noticed this week that when on Max AC no air comes out of the vents at all. What should I look for as the root cause?

Thanks in advance for your help.

Posted: **Mon Sep 21, 2020 4:33 am**

loss of vacuum from supply to control head. It might help if you added the year to your post.

Automotive Air Conditioning Information Forum

Max AC not working on Chevy Workhorse chassis

Max AC not working on Chevy Workhorse chassis

Re: Max AC not working on Chevy Workhorse chassis