Symptoms of a Bad or Failing Heater Blower Motor

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Cost of Replacing a Bad or Failing Heater Blower Motor

If your car's heater doesn't work, only works on certain speeds, or only cold air comes out, you may need to replace the heater blower motor. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic. Following are example prices for Car Heater Blower Motor Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2007 Mitsubishi Outlander $249 $179.38 $70.00 13% $286.88
2010 Mazda 3 $405 $194.98 $210.00 21% $517.48
2010 Nissan 370Z $266 $196.28 $70.00 12% $303.78
2011 Acura MDX $274 $126.51 $147.00 22% $352.26
2012 BMW X1 $345 $232.91 $112.00 14% $404.91
2011 Audi S6 $324 $197.58 $126.00 17% $391.08
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How to Diagnose a Bad or Failing Heater Blower Motor?

blower heater motor

Virtually all road going vehicles are equipped with a heating and air conditioning system that is designed to help keep the vehicle’s passengers comfortable. One of the components of that system is the heater blower motor. The blower motor serves as the main electric motor that is responsible for blowing air through the vents. It is usually controlled by the blower motor resistor and switch, and can operate at several different speeds to help regulate cabin temperatures.

When the heater blower motor fails, the vehicle can be left without a properly functioning heating and air conditioning system, which apart from compromising comfort, can also disable useful functions such as the window defogger. Usually a bad or failing heater blower motor will produce a few symptoms that can alert the driver of a potential issue.

1. Weak airflow from the vents

One of the first symptoms of a potential problem with the vehicle’s heater blower motor is low airflow from the vents. If when the air or heat is turned on the vents blower noticeably less, or weaker air, that may be a sign that the heater blower motor is starting to wear out. A worn or weakened blower motor may not be able to provide adequate airflow to properly regulate the cabin temperature, and may also be approaching the end of its service life.

2. Fan only blows at certain speeds

Another symptom of a bad or failing heater blower motor is a motor that only functions at certain speeds. Most blower motors are designed to operate at different speeds in order to be able to regulate different cabin temperatures efficiently. If the blower motor fails to push air at any of it’s designed settings then it may be faulty. This can also be caused by a failed blower motor resistor or switch, so having the vehicle properly diagnosed is highly recommended.

3. No air from the vents

No air flow from the vents when the heater or air conditioning is activated is another symptom of a bad blower motor. If the heater blower motor burns out or short circuits, it will not function, and therefore will not be able to produce any airflow for the system. The blower motor will usually have to be replaced in order to restore proper operation to the system.

A faulty blower motor can disable an otherwise fully functional heating and air conditioning system, which will make the driving experience less comfortable for the vehicle’s passengers. Failed blower motors often require taking apart the vehicle’s interior, so if you suspect that your vehicle’s blower motor may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the motor should be replaced.

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Recent Car Heater Blower Motor Replacement reviews

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YourMechanic Car Heater Blower Motor Replacement Service

Average Rating

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Number of Reviews

173

Rating Summary
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TJ

23 years of experience
203 reviews
TJ
23 years of experience
TJ was GREAT!!! He took the time to explain what he was doing, he arrived at my home on a timely manner, and he made our experience with your company a pleasant one.
2009 SCION XD - HEATER BLOWER MOTOR - FORT MYERS, FLORIDA

Kurt

35 years of experience
17 reviews
Kurt
35 years of experience
Kurt was right in time and was prepared 100% ! Very proffesional and knowledgeable. He didnt stop until he was done. He cleaned every part of the vehicle that he took apart and made sure everything he disassembled was put back to its original place. Basically he came and did everything that needed to be done and more. Very happy !!
2011 NISSAN ROGUE - HEATER BLOWER MOTOR - BOCA RATON, FLORIDA

Brett

7 years of experience
136 reviews
Brett
7 years of experience
Brett was on time checked out problem as I described it and made the repairs needed on the spot. was friendly and new what he was doing not any trial and error.
2012 FORD F-250 SUPER DUTY - CAR HEATER BLOWER MOTOR REPLACEMENT - AUSTIN, TEXAS

Hani

17 years of experience
38 reviews
Hani
17 years of experience
Hani is awesome! arrives with a great attitude. I was hesitant about this app. I was charged less than what I was quoted. There are still honest people and honest companies out there. Thanks Hani and Your Mechanic. I will totally use you guys again and tell all my friends too! -Ray
2005 CHEVROLET AVALANCHE 1500 - HEATER BLOWER MOTOR - SANTA ANA, CALIFORNIA

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