Showing articles & questions for topic
blower motors

Related articles

Symptoms of a Bad or Failing Heater Bypass Tube
If you see coolant leaking under your car or smell coolant from your car, you may need to replace the heater bypass tube.
Symptoms of 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.
How Long Does a Heater Blower Motor Last?
During the colder parts of the month, you will start to rely more and more on your car’s heater. With all of the different components that are in place to ensure...
Symptoms of a Bad or Failing Heater Blower Motor Resistor
Common signs include the car's heater not working or getting stuck on a certain speed, or something getting jammed in the blower motor.
How Long Does a Heater Blower Motor Resistor Last?
Keeping the cabin of your car warm during the frigid temperatures of winter can be a lot easier said than done. If even one of the components of the heater are...
How Long Does a Blower Motor Relay Last?
During the summer months, there is nothing more important to a car owner than a properly working air conditioner system. Most car owners are unaware about just how many components have...
Symptoms of a Bad or Failing Blower Motor Relay
If the blower motor does not function, car fuses are blown, or relays are melting, you may have to replace the car blower motor relay.
Symptoms of a Bad or Failing Blower Motor Switch
If your blower motor switch only works on certain settings, gets stuck, or has a broken knob, you may need to replace your blower motor switch.
Symptoms of a Bad or Failing AC Thermistor
If your car's AC only blows cold air for a short amount of time or the blower is not functioning properly, you may need to replace the AC thermistor.
How a Car's Heating System Works
The sun sets, and the air has a chill. You pause to flip your jacket collar up, and you walk briskly to your car door and slide into the driver's seat. Once...
How Long Does a Blower Motor Switch Last?
Keeping the cabin of a car at the right temperature is no easy job. A number of components have to work together in order for your car’s cabin to stay comfortable....
How to Buy a Good Quality Heater Blower Motor Resistor
Vehicles that are equipped with a manual HVAC, or climate control, system utilize a blower motor resistor to control the speed of the heater blower. If you are driving a minivan or...
How to Buy a Good Quality Heater Blower Motor
The heater blower motor is part of the air conditioner and heater controls assembly, one of the many features created to make your ride as comfortable as possible. Your heater and air...

Related questions

Question
Why is my car blowing hot air and cold air at the same time?
The answer to this depends on whether you have switched on heating, cooling (A/C) or neither. In one scenario, for example, if you have not switched on the A/C system, but the A/C is running as confirmed by a visual...
Question
Heater , AC and Defrosters wont work.
Hello, This may be related to a faulty blower motor or blower motor relay. Occasionally, the blower motor itself will wear out or become faulty working intermittently as the brush contacts inside the motor wear out. The blower motor relay...
Question
My heater makes a really loud noise when its on.
The level of refrigerant in the air conditioning system would not affect the noise level of the blower motor. If you replaced the motor with an aftermarket (non OEM) motor that could create an issue in terms of the quality...
Question
Heater blower
If the blower motor does not respond to on and off commands at the switch, generally the switch is faulty. The turn signal issue is probably not related to the problem with the blower. If you hear the flashing unit...
Question
My air conditioner blower won't always turn on until I hit this white box behind my glove compartment.
As the air conditioner blower motor ages the bearings get worn and can cause the motor to not start turning unless you tap on the motor or the motor housing. The fis is to replace the blower motor before it...
Question
car stopped blowing out heat and ac
What you are describing sounds like a failure of the blower motor that circulates air in the HVAC system, however, there are certain faults that could occur in the electric circuit that powers the blower motor. If power is reaching...
Question
The heat, ac, and defrost isn't blowing out the vents
Blower speed in your application is controlled by a replaceable resistor block in the blower motor circuit. If various fan speeds have become unusable, and now you are left with nothing, a possibility is all positions in this resistor block...
Question
Rear windows not working, heating issue
It sounds like you have two electrical issues, one relating to the power windows and the other involving control of the HVAC blower motor. With regard to the windows, yes a blown fuse is always a possible "fault" in a...
Question
2007 galant es blower motor resistor or transistor
Your vehicle is equipped with a blower motor resistor block. It is a modular, replaceable assembly and the part is different for Galants with and without A/C systems. If your blower motor is not functioning, failure of the resistor block...
Question
Fans working on 4th setting only
Blower speed in your application is controlled by a replaceable resistor block in the blower motor circuit. If various blower fan speeds have become unusable, and you are now left with only one speed, a common cause is the resistor...
Question
Whistle noise from air conditioner
Without hearing the noise myself I would say the noise is due to the blower motor is noisey and need to be replaced. The noise may be from debris in the blower motor and it needs to be cleaned out...
Question
Why does my brake/abs lights come on when I turn on my blower in my 2006 Chevrolet Silverado
Hello. It sounds like you have a voltage issue. When the power in the vehicle drops below a certain level these lights will come on as a warning. Since they come on when turning on the blower that means that...
Question
Why does my blower motor not work after a crossed wire problem in my 2004 Pontiac Grand Prix
Hello. Depending on exactly where the short was it may not blow the fuse. Most of the time it will melt the resistor itself internally. It may also have a short in another location. I usually take a voltage meter...
Question
Heater making loud rumbling noise when on high 1996 Saturn SL2
Hi there - I believe the heater fan motor bearings are shot, and that's the noise you hear - increasing noise level as fan speed goes up. These bearings are generally not serviceable, and the fan motor should be replaced....
Question
Blower motor not working
Hi Trevor: If I understand your posts correctly, you have installed a new blower motor, a new resistor block and you have tested the relay. Although you may have continuity throughout the circuit, if there is excessive voltage drop anywhere...
Question
Blower Motor
The only procedure that mechanics use to remove the blower is that set out in the Factory Service Manual (FSM) for your vehicle, which has a detailed, step-by-step procedure, with illustrations and diagrams, but those instructions vary quite a bit...
Question
Blower fan on heater
If you look under the right side of the dash to locate the blower motor for the a/c heater system and disconnect and inspect connector to blower motor and to the resistor. If both look good then you most likely...
Question
heater does not work
If the blower motor is new, you'll want to first determine whether power is getting to the motor, and if there are any voltage drops (high resistances) in the circuit when the blower switch is in the on position. If...
Question
Front A/C fan not blowing, but front seat cooling and rear A/C fans are working.
What you are describing sounds like a failure of the blower motor that circulates air in the HVAC system, however, there are certain faults that could occur in the electric circuit that powers the blower motor. If power is reaching...
Question
Defroster works - hot or cold air depending on what temperature you have it on, but not vent or heat. 2011 Ford Edge
Hello - your symptoms suggest that the HVAC blower motor resistor has failed. The blower motor resistor limits fan motor speed for the Low and Medium settings, but is not involved at the Max setting. Since defrost on most cars...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question