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Why does my car AC only work in the morning?

Moisture in the system can be released from the desiccant in the receiver-drier by an increase in temperature on the high side. When the ambient temperature is lower the desiccant may be able to hold the moisture out of the refrigerant. Internal freezing of the expansion valve could produce external icing on the valve.

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June 2, 2024

Does engine coolant affect ac performance?

Yes. Engine coolant, radiator fan performance, condenser airflow, and overall cooling system health can affect A/C performance. Low coolant levels, overheating, weak cooling fans, or

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July 1, 2019
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