Rick's Free Auto Repair Advice

Posts Tagged: car heater blows cold

Car heater blows cold air

Car heater blows cold air — causes and fixes Heater blows cold Car heaters aren’t that complicated; they’re just little radiators with a blower, temperature controls and a cabin air filter. Hot engine coolant runs through the heater core and your blower runs cabin air past the fins. That’s it. So let’s take a look at the possible causes. #1 Cause of car heater blows cold or cool air—Low coolant level. Low engine coolant is the #1 cause of low or no heat, especially at idle. When the coolant level … Read More

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