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The motor which blows air through the vents.

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Q: What would cause a humming sound when car heater is turned on high?
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Related questions

Which is an observation based on the five senses?

The heater makes a humming sound.


What would cause a deep humming sound when the car goes past 45 mph?

Possibly worn wheel bearings can create a humming or groaning sound.


What can cause a humming sound to come from the axle of my car?

A bearing going bad.


What would cause a burning smell and humming sound in the alternator in a 1989 z24?

the bearings


What causes a humming sound?

A humming bird


What would cause a noise under the drivers area after having brake pads replaced and the rotors turned?

if it sounds like a loud humming sound, its most probably your wheel bearings. Cost from £20 to £60


What would cause a loud humming sound from the front end of a vehicle when accelerating?

bad wheel bearings


Will a cracked wheel well cause your car to make a humming sound?

No, but a bad wheel bearing could.


What would cause a humming sound from the rear end of the truck?

You may need differential fluid...check that.


What would cause the front wheel on a 1998 Chevy Malibu humm you put a new wheel hub in it?

The caliper may be hanging and causing the humming sound. I cant type the sound out but it mine made a humming noise as the wheels turned. If I pressed the brakes hard and quickly let go it would stop. I just replaced rotors and brake pads and it is back to normal now.


What causes the humming sound in your Chevy 2005 Trailblazer when I accelerate?

There could be a few things that can cause this humming sound. It could be the wheel bearings rubbing, it could be the gears rubbing, it could even be coming from the engine pistons.?æ


What is the word meaning a low humming sound?

The word is droning. It means to make a continuous low humming sound.