Dash A/C not working...advice, please ?
This is a 2003 motorhome on a W22 chassis/8.1L engine. Dash A/C is an Evans Tempcon RV218552, R134a. (Evans phone and email worthless). No cold air comes out when activated. It makes a buzzing s...
Forum Discussion
Is there a belt on the AC compressor and is it tight?
Is the AC compressor clutch engaging and spinning?
There are so many things it could be.
Low on refrigerant
Low pressure cycle switch problem
Clutch bad/compressor bad
No power to clutch
Bad AC control
ETC
If the clutch does engage for a few seconds then shut off, over and over, then most likely you are low on refrigerant.
Is the AC compressor clutch engaging and spinning?
There are so many things it could be.
Low on refrigerant
Low pressure cycle switch problem
Clutch bad/compressor bad
No power to clutch
Bad AC control
ETC
If the clutch does engage for a few seconds then shut off, over and over, then most likely you are low on refrigerant.
