1. Blower motor caught on one velocity

A typical symptom of a defective blower motor resistor is a blower motor that’s caught on one setting. The blower motor resistor is the element instantly answerable for controlling the blower motor fan velocity. If the resistor shorts or fails, it might trigger the blower motor to stay caught on one fan velocity. The heating and air-con methods should operate at one velocity, nevertheless the resistor must get replaced to ensure that full performance to be restored.

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Schedule Automobile Engine Cooling Inspection

The preferred service booked by readers of this text is Automobile Engine Cooling Inspection. As soon as the issue has been identified, you may be supplied with an upfront quote for the really helpful repair and obtain $20.00 off as a credit score in the direction of the restore. YourMechanic’s technicians carry the dealership to you by performing this job at your private home or workplace 7-days every week between 7AM-9PM. We at present cowl over 2,000 cities and have 100k+ 5-star critiques… LEARN MORESEE PRICING & SCHEDULING

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Repairing a nasty heater blower motor resistor

The heater blower motor resistor in your automobile leads a tough life. It should deal with not solely the ability calls for of the fan when you find yourself driving, but it surely additionally has to soak up and dissipate large quantities of warmth as a byproduct of its regular operation. Over time, the heater blower motor resistor can put on out from a wide range of causes. These embody overheating, corrosion, vibration, extreme electrical present movement from a nasty fan, and publicity to water.

Your mechanic will totally examine {the electrical} parts and connections that help your fan’s operation. As a result of the heater blower motor resistor does finally want alternative in lots of autos, it’s often positioned the place it’s simply accessible to your mechanic. A alternative half ought to restore the system’s performance. In case your automobile’s fan velocity management resides inside a local weather management laptop unit, the restore shall be extra complicated – and costly.

It can be crucial {that a} thorough troubleshooting course of be carried out to make sure that the heater blower motor resistor is the reason for the issue. Doing this may allow your mechanic to restore or change solely what is definitely faulty, whereas not lacking anything that wants consideration. In cases the place the fan is completely non-functional, for instance, the issue may really be a blown fuse or a nasty fan – or each!

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Within the 2008-2011 Ford Escape / Mazda Tribute, the blower motor resistor is situated on high of the HVAC unit, behind the glove field.threadblog

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