What would cause my heater blower to stop working?
Often, the issue is that the heating system is simply dirty. The system’s heat exchanger cannot work unless there’s sufficient air moving across it to stop it from overheating. In short, a dirty blower can cause the heat exchanger to fail. Dirty air filters could also be the reason your heater stopped working.
Why have my blowers stopped working in my car?
If the heater isn’t blowing any air, a faulty blower motor or electrical connection might be the problem. If the blower doesn’t receive power, check that the blower fuse isn’t blown. A blown fuse often indicates an underlying problem, so never replace one with a larger fuse to prevent it from blowing out again.
How can you tell if a blower fuse is blown?
Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. 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.
Is there a fuse for the heater blower?
The blower motor is powered by a fuse-like device called a relay. If your heater or air conditioner does not blow air through the vents, this could indicate that the blower motor fuse has probably blown. While replacement is easy, the exact location of your blower motor fuse may vary from vehicle to vehicle.
What happens when blower motor relay goes bad?
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. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.
Where is the heater blower fuse located?
Under the instrument panel, look under the glove box. On the right side of the fender wall you will find another fuse box. The blower motor fuse is easy to replace.
Why isnt my heat working in my house?
Dirty filters are the most common cause of furnace problems. Dust and dirt restrict airflow—and if the filter gets too clogged, the heat exchanger will overheat and shut off too quickly, and your house won’t warm up. If the blower is running but no heat is coming out, replace the filter.
What are common reasons my Subaru Impreza has heater problems?
What are common reasons my Subaru Impreza has heater problems? While there are a variety of reasons your Subaru Impreza heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
What to do if your Impreza hot water heater stops working?
If the heater has stopped working in your Impreza, this process has failed in one way or another. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.
What to do if your AC blower is not working?
Disconnect cables to motor and resistor. Remove hose from motor, it should just pull off with little effort. Unscrew motor and resistor. Screw new motor and resistor in. Connect hose to motor. Connect cables to motor and resistor. Turn on car and test AC. Thanks for watching! Loading…
Why is the heater not working on my Buick Enclave?
Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.