my car heater fan is not working

HOW TO TEST HEATER BLOWER MOTOR FAN. Clogged heater core This issue is less often than most of the outlined probable causes.

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Low coolant level is the most common cause of poor heater output.

. To determine if this is the problem when the engine is cool remove the radiator cap. Other cooling system parts can also leak coolant so its best to check them. The heater fan is responsible for dispersing the air throughout the cabin.

If the engine is. A bad thermostat that. The common and easy problem of car ac heater not working is leakage of water.

Start the engine with cap still open and let the engine idle for a few. To help engines warm up fast and then keep it at a steady temperature manufacturers use a thermostat to control the flow of coolant. Make sure the ground side of the high speed relay is working.

Also check the fuse for the control side of the high speed relay. Check the Thermostat. Why does my car air only work on high.

If your coolant system is topped off and working fine and there arent any leaks then it could be as simple as the fan not working. When a blower resistor. Get a new resistor here.

A heater can stop working for a number of reasons including. If the heating system isnt working at all no hot or cold air is being blown into the car this is likely due to a faulty blower motor or an issue stopping power from reaching the blower motor. Up to 128 cash back This can happen due to a cracked coolant tank coolant hose or a gasket somewhere.

A low antifreezewater level in the radiator due to a leak in the cooling system. A problem with the switch which turns the fan. There are many places where leakage can occur.

HEATER AC FAN NOT WORKING FIXIf the heater blower motor fan is not working on your car we will explain how you can test. A blown fuse might just be the reason your car heater fan is not working. While the core may heat up just fine without.

The second common cause leading to the car heater not working is the heater core. Check for blown fuses and replace them to restore normal functionality. The heater core has a radiator-like structure made from aluminum.

Even if every other part of your cars heating system works properly you wont feel any warm air if the. So check the hoses radiator and water pump. Set the heater to its maximum setting remove the coolant tank cap and fill it to the proper level.

If the heater fan in your car stopped working you might have a shorted wire in the system.

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