Rick's Free Auto Repair Advice

Posts Tagged: AC cold on one side and warm on the other

Car AC cold on one side, warm on the other

Car AC cold on one side, warm on the other — how to diagnose and fix If your car has dual-zone heating cooling and you have AC cold on one side and warm on the other, the cause is most often a bad blend door actuator. How dual zone heating/cooling systems work Most cars have a single heater core and a single AC evaporator core (although there are exceptions. See below). Once the air is heated or cooled, the air flows through two “blend doors.” The blend doors mix the … Read More


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