Automotive AC question?

[Abcdj]

I have a class C RV. The AC has worked fine up to this point. My daughter took it to the Grand Canyon. On the way she got from Corsicana to Post with no problems. Stopped to get gas and started it back up and it wouldnt blow anything. No engine guages showed hot or anything. They rolled the windows down and went on. They tried the AC an hour later and still nothing out of the dash. It blew hot air out of the feet vents.

Today they said it worked on and off blowing cold and hot.

Any ideas on what might be wrong?

[flywise]

Maybe The blend door is messing up.

[RifleBowPistol]

Probably low on Freon, maybe a cooling fan problem, but likely not if the temp gauge is showing that the engine temp is the same as before.

[KBM]

The motor or brand of RV?

[Abcdj]

The motor or brand of RV?

Ford 450
Fleetwood