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...
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Had a friend go under coach when running A/C. He saw belt/pulley jump a bit when the buzzing cycled. Noise is under coach, in back of two thermostatically controlled fans...only one was running. Ambient air was 50 deg and incoming dash air was 46 deg. Felt both A/C hoses and one was not colder than the other.
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