Posts Tagged: Car AC blows cold then blows warm

Car AC blows cold then blows warm

Car AC blows cold then warm If your car AC blows cold then warm, the cause can be a low system charge, moisture in the system, a malfunctioning expansion valve, clogged evaporator fins or an overcharge condition. Here’s how to nail down the cause. Low car AC charge causes evaporator freeze up and low airflow A low system charge can cause the evaporator coil to so cold that it freezes the condensation on the evaporator fins. The ice builds up until it blocks airflow. Then the AC system shuts off … Read More