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4 Signs of a Bad Heater Blower Motor

Your car’s air conditioning and heating systems have many components that support proper functioning. When just one component breaks down, the entire system can become inefficient. In order to keep your car’s cabin comfortable all year round, it is important to ensure all components within your air conditioning and heating system are in good repair.

heater blower motor working properly due to heating/cooling repair

What is a Heater Blower Motor?

A heater blower motor is a component within your car’s heating and cooling unit that pushes warm or cold air through the dashboard vents. When the heater blower motor breaks down, this could make for an uncomfortable ride. Check out these four signs of a bad heater blower motor.

1. Inadequate Airflow Through the Vents

If you notice little or no airflow coming from your car vents, you likely have a failing heater blower motor. When the heater blower motor is damaged or worn out, it will not generate sufficient airflow for efficient heating or cooling.

2. Unusual Noises or Vibrations When the Fan is Running

If you hear unusual noises such as rattling and grinding, or notice vibrations within the dashboard or interior trim, you could have a bad motor blower heater. However, these symptoms could also be caused by fluid leaks, a damaged impeller blade, or even debris in the motor so it’s best to have you car looked at by a professional mechanic.

3. Defroster Does Not Clear Glass Well

If your defroster does not clear your windshield well, it could be a sign of a faulty heater blower motor. This can make it difficult and unsafe to drive, so it’s essential to have a professional mechanic make any needed repairs as soon as possible.

4. Smoke or Burning Smell Coming Out of the Vents

A damaged heater blower motor can also cause smoke or a burning smell to come out of your vents. If this happens, it is best to keep your heating and air conditioning system off and have the issue repaired as soon as possible.

Contact Our Heating and Cooling Repair Experts

If you notice any of the above symptoms, bring your car to Custom Complete Automotive! At our auto repair shops in Missouri, our certified mechanics will inspect your heating and air conditioning system and make any needed repairs to restore proper functioning. To learn more about our heating and air conditioning repair services, contact us today!

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About the Author
Eric Riddles

Eric Riddles is an ASE Certified Master Automobile Technician who has been working as an auto mechanic since 1998 and originally joined the team at Custom Complete Automotive in 2005. Eric has numerous certifications in various aspects of car repair and spent 10 years training the next generation of auto technicians at a local high school Auto Shop classroom.

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