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What is a Blower Motor and where is it Located?
A blower motor, also commonly referred to as an air conditioner (A/C) blower motor, heater blower motor or a heater fan motor, is a major component to your vehicle’s HVAC (heating, ventilation, air conditioning) system. It is controlled by the knobs or buttons on the climate control unit. When your heat or A/C is turned on, it is what forces the cold or warm air from your vehicle’s A/C and / or heating system through the interior vents, circulating it inside throughout the cabin. If your heat or A/C is turned off, the blower motor is just hanging around doing nothing. Even if a vehicle is not equipped with an air conditioner system, it will still have a blower motor assembly in order to circulate the outside air inside of the cabin, in addition to the heat.
The blower motor assembly mounts to the HVAC case or housing, which is normally located behind the dash of the vehicle. Some vehicles such as SUVs and passenger vans may also have a separate blower motor assembly mounted in the rear of the vehicle. These are simple direct current electrical motors. Attached to the motor is a wheel (also referred to as a cage, or fan) which is spun by the motor, circulating the air within the housing and forcing it through the vents. The air will either be hot or cold, depending on which ducts it is sent through - A/C or heater. In those cases where a vehicle does not have an A/C system, the outside air that passes through the ducts and is forced out of the vents by the blower motor is of the same temperature as it is outside of the vehicle, though it typically feels a bit cooler thanks to the velocity that it is forced out at.
Blower Motor Failure
As with all electrical motors, automotive blower motors can and will eventually fail. Over time and general use, the brushes inside the motor will wear resulting in a reduction of power the motor can produce. Bearings are another common point of failure; as these lose lubrication and begin to dry, friction increases which may eventually cause the motor to seize. Early symptoms of this will be noise, such as a squeak or squeal, coming from the motor while operating. In addition, sometimes the wheel can be damaged causing poor or no output whatsoever from your blower motor. When diagnosing an inoperative blower motor be sure not to overlook other components such as the fuse, blower motor resistor, or a possible ground issue.
Need a Blower Motor Replacement?
If you are experiencing intermittent stopping during use, squealing noise from bearings, poor air circulation from your car’s vents due to weak fan rotation, or simply no output at all, it is likely that you need to replace your HVAC blower motor. Basically, if your vehicle’s blower motor is malfunctioning, then there will be no way for cool air to enter into the cabin to make you more comfortable during a scorching hot day in the summer, or for heat to enter and warm you up on a bone chillingly cold day during the winter. Neither of these scenarios are ideal and thus you will want to get a blower motor replacement as soon as possible if it has failed.
If you are in need of a replacement blower motor assembly for your car, truck, SUV or van, then you have come to the right place. At 1A Auto, we carry a full line of high quality, direct fit aftermarket blower motors that meet or exceed OE specifications, for many makes and models. Many of the aftermarket replacement blower motors we offer come with the fan wheel, while some do not. For the applications that do not come with the fan wheel, we may offer it separately. For some vehicles, the blower motor is different depending on if your car is equipped with air conditioning (A/C) or not. Whenever possible, match up the specifications of the replacement blower motor with your original, to ensure you are getting the correct one.
At 1A Auto, shopping for an aftermarket replacement blower motor is easy - we're here to help you select the right part for your vehicle! Call our customer service toll free at 888-844-3393 if you have any questions about our motors, warranty, compatibility or to purchase, or you can buy online. Bring your heating and A/C blower system back to good working order and purchase a replacement from 1A Auto today!
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