Ford F-53 Chassis AC Question

[lacamastraveler1]

I have a 2021 Bay Star Sport on the Ford F-53 Chassis. My dash AC is malfunctioning. It will blow cool air for a while, then blows 100+ degree hot air. Sometimes when I turn it back on it will blow cool air, other times not. Other than the Ford AC compressor, the dash AC is a Newmar unit. I have a repair appointment next week, but I know how difficult it can be to diagnose intermittent problems. Has anyone experienced this and what was the fix? Thank you.

 

[BGMAC]

many Switches are vacuum operated. Could it be you have a vacuum leak? Does the ac go hot during acceleration?

 

[Joe Hogan]

It does sound like the temperature control is somehow changing its setting or leaking if mechanical

 

[lacamastraveler1]

many Switches are vacuum operated. Could it be you have a vacuum leak? Does the ac go hot during acceleration?

Thank you. It is going into the shop tomorrow. I will provide them with this information. I contacted Newmar and they said they have heard of this problem and gave me a telephone number for the tech to call.

 

[lacamastraveler1]

It does sound like the temperature control is somehow changing its setting or leaking if mec

Thank you. It is going into the shop tomorrow. I will provide them with this information. I contacted Newmar and they said they have heard of this problem and gave me a telephone number for the tech to call.