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Why is the blower in my car not working?

Author of the blog (work in a car repair shop)
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Why is the blower in my car not working?

If little air is coming through the vents (hot or cold), then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isn't working. Another cause might be that the electronically controlled “blend doors” that direct air flow are stuck or broken.

What would cause the blower motor to stop working?

In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor.

Why is my car not blowing any air?

Here are some of the most common causes of why air doesn't flow out of your vehicle's vents: Your air intake is clogged, meaning that air isn't getting in from the outside at all or isn't circulating properly. There is a blown fuse in the ventilation system. Electrical issues such as a bad relay.

How much does it cost to fix blower in car?

The price to fix a blower motor at a shop ranges from about $150 to $300 and as high as $450 with certain vehicles. This is because the cost to fix anything at a shop has to take both parts and labor into account.

What would cause the blower motor to stop working?

In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor.

Can you drive without a blower motor?

Your car's blower motor is not only necessary for the operation of your air conditioner. Without a functioning blower motor your engine runs the risk of overheating.

How much does a blower motor cost?

Furnace Blower Motor Replacement Cost On average nationwide, a furnace blower motor replacement costs $400 to $600, including parts and labor. A single-speed blower motor costs around $450 to replace while a variable-speed motor costs $600 or more. You'll also need to budget labor, about $75 to $125 per hour.

Why is my car not blowing hot or cold air?

Faulty Heater Core Faulty heater cores and low or contaminated coolant levels often come hand in hand, and both issues may lead to your engine overheating and your heater not blowing hot air.

How do I know if my car AC fuse is blown?

Why is my AC running but not blowing air?

If your air handler is running but not blowing air, there are two likely scenarios; either a broken AC blower belt or an issue with the motor itself. If the air handler is humming or buzzing, but not making the mechanical sounds of a motor running, you're most likely talking about an issue with the motor itself.

How long does a blower motor last in a car?

The blower is supposed to last the entire lifetime of your car. However, situations vary and some climates require the fan to be used too often. Many car owners find themselves having to replace the blower after five years. The quality of the motor used to power the blower matters.

Are blower motors easy to replace?

The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.

How long does it take to replace a blower motor?

How long does it take to replace a blower motor? Replacing a blower motor takes 2 to 3 hours on average. The blower motor is typically located behind a control board and other furnace parts.

How do you tell if it's the blower motor or resistor is bad?

Signs of a Bad Blower Motor Resistor Loss of HVAC fan control (total or certain speeds) The fan only works on its highest speed setting. No air coming from vents. Intermittent or inconsistent fan speed.

Where is the blower motor fuse located?

Many vehicles have two fuses for the blower motor, one in the interior fuse block and the other under the hood. The blower motor is usually under the dashboard on the passenger side.

How do I know if my blower motor is bad?

If the blower motor is completely bad, then you'll have no airflow at all. Strange sounds coming from blower. Blower motors can make all kinds of sounds, depending on what the issue is. Vibrations, grinding, and high pitched-noises are some of the sounds a blower can make if it's going bad.

Which fuse is for the blower motor?

What would cause the blower motor to stop working?

In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor.

Is there a fuse for the blower motor?

Where is a blower motor located?

The blower motor is usually under the dashboard on the passenger side. Blower motors that make loud squeaks or rattling noises may be worn out and on the verge of packing it in, but sometimes those noises are caused by leaves or other debris that can be cleaned out after the motor is removed from the vehicle.

What is the difference between a fan motor and a blower motor?

What Is a Blower Motor? Unlike the condenser fan motor, the blower motor is located indoors. It's the component that blows cool air through the ducts and into different parts of your home. So it's essentially your air mover.

How expensive is it to replace a heater core?

The total cost of parts and labor will range between $800 and $1,000 to have your heater core fixed by a professional. Labor costs vary, so call ahead and get a quote from multiple repair shops. If you fix the heater yourself, you'll only have to pay for the cost of a new heater core which runs between $100 and $300.

What causes loss of heat in car?

Faulty Thermostat A faulty or broken thermostat is the most common cause of your car's failing heat. Stuck open or stuck closed, the part can not only cause issues with your heat but also your engine's cooling system. One becomes an issue of comfort, the other becomes an issue of “Oh no, I've borked my engine.”

How can you tell if a fan fuse is blown?

Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.

Where is AC fuse located?

The fuse is a wire inside a glass casing, found in the disconnection box connected to your AC. The fuse is a protective measure meant to protect your air conditioner from electrical damage.

How do I reset my AC blower?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

What happens when the blower motor on a car stops working?

The blower motor is the central component of the air conditioning system, responsible for blowing hot or cold air through the AC vents in a car. If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your vehicle. A mouse nest in the fan blower motor cage.

Why is my car heater not blowing air?

You go to warm up your car on a chilly morning only to find that your car heater is not blowing air, at all. Our mechanic explains what could be causing that, and how to troubleshoot, diagnose, and fix blower motor and blower motor resistor issues that are probably to blame in this video: Car Heater not Blowing Air? Blower Motor or Resistor?

Why does my AC blower motor relay keep blowing?

One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow.

Can a blower motor resistor cause a fan to stop working?

In some cars, a failed blower motor resistor can cause a heater fan to stop working completely. In most cases, a blower motor resistor fails due to corrosion or overheating. for example, when the fan blade is jammed by foreign objects or when the motor bearings are worn out.

Below you will find two interesting articles on a similar topic 👇

How can I tell if my blower motor is bad in my car?

How much does it cost to diagnose AC problems in car?

Tired of looking for a video for your question?

Video Answer below 👇

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FAQ for the last Day

  • Why is my car blowing out cold air all the time?
  • Low Coolant Level The coolant (usually a mixture of water and antifreeze) in your engine doesn't just work to keep the engine from overheating: It's also the source of heat supporting the heating system. If there isn't enough coolant in your system, the heater core will blow cold air into your car.Why is cold air coming out of my car vents? The Thermostat is Stuck When the thermostat fails to open...


  • Why is my car heater not blowing hot air?
  • The first thing to do if you're having issues with your car heater is to check your engine coolant. Make sure to do this when your engine has cooled down to avoid being burned. If your coolant level is too low, there won't be enough hot liquid in the heater core, resulting in cold air.The bad or failing thermostat in car is one of the most common reasons why your car heater is not blowing hot air....


  • Why would the heater stop working in a car?
  • Causes of a breakdown A heater can stop working for a number of reasons, including: A low antifreeze/water level in the radiator due to a leak in the cooling system. A bad thermostat that isn't allowing the engine to properly warm up. A blower fan that isn't working properly.Why is my car blowing out cold air when the heat is on? Low Coolant Level The coolant (usually a mixture of water and antifr...


  • How do you fix a car heater that blows cold air?
  • If your furnace is blowing cold air in your home, this is a sign of an issue with the flame detector, gas supply, air filter, pilot light, or condensate lines. Many of these issues are able to be easily solved on your own by sanitizing or replacing components in the gas furnace.When the heater core is clogged, the coolant can’t flow properly, so the cold heater core keeps blowing cool air all the...


  • How can I tell if my blower motor is bad in my car?
  • You might also hear ongoing whirring noises, or noises that change or get louder if you increase the fan speed. These are all signs of problems with the blower motor. In some cases, you may even notice smoke or smells of burning while driving, in which case you should pull over immediately.What happens when your blower motor goes out? WEAK AIRFLOW OF THE BLOWER MOTOR The fans will work at certain...


  • Why is the blower in my car not working?
  • If little air is coming through the vents (hot or cold), then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isn't working. Another cause might be that the electronically controlled “blend doors” that direct air flow are stuck or broken.What would cause the blower motor to stop working? In most cases, a blower motor resistor fails due to corrosion...


  • How much does it cost to diagnose AC problems in car?
  • The average cost for an AC Diagnosis is between $53 and $67 but can vary from car to car.How much does it cost to check AC system? Why is car AC repair so expensive? These parts are susceptible to damage. Because of the trapped bits of debris, these parts must also be replaced with the compressor, and all of the other parts and lines must be cleaned out. You must replace these parts in order to r...


  • Why is my heater not getting hot?
  • Low coolant: Whether caused by a leak or water evaporation, low coolant is the most common source of poor heater output. Thermostat: A stuck-open thermostat prevents the engine (and coolant) from heating up. Heater core: A clogged heater core restricts coolant flow, giving up little or no heat.There can be several reasons why your heater is not hot enough. Many of those reasons involve low-level f...


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