Why is there whining sound when the heat is on in my car?

Why is there whining sound when the heat is on in my car?

I originally thought this was an engine fan turning on as I was having engine overheating issues, but this was discovered to be a problem with the cooling system that was repaired (new coolant overflow tank), and the noise has continued after the repair. However, yesterday I discovered that the noise only happens while the heater is on.

Why does my car heater make a loud noise?

Loud noises you hear when your car’s heater or air conditioner are on typically indicate a blower motor issue. The good news is that a blower motor problem like this can be the result of something as simple to fix as debris or trash that got caught in it.

Why does my car make noise when I accelerate?

As you accelerate, the noise gets louder—maybe it sounds like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears.

Why does my car make a low pitched hum?

While driving, you hear a low-pitched hum. As you accelerate, the noise gets louder—maybe it sounds like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears.

I originally thought this was an engine fan turning on as I was having engine overheating issues, but this was discovered to be a problem with the cooling system that was repaired (new coolant overflow tank), and the noise has continued after the repair. However, yesterday I discovered that the noise only happens while the heater is on.

Loud noises you hear when your car’s heater or air conditioner are on typically indicate a blower motor issue. The good news is that a blower motor problem like this can be the result of something as simple to fix as debris or trash that got caught in it.

As you accelerate, the noise gets louder—maybe it sounds like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears.

What does it mean when you hear a hum in your car?

While driving, you hear a low-pitched hum. As you accelerate, the noise gets louder—maybe even sounding like an airplane taking off—but after a certain speed the volume is consistent. When you make a turn, the noise gets louder; but if you turn the other way, it disappears. What it could mean: This is most likely a wheel bearing noise.