What Can Cause Alternator Whine?

Can you drive with a whining alternator?

Yes, definitely; if you are on the freway and the bearing seizes, it will damage the belt before you can sto[ and pull over.

My wife ruined the Air Conditioner drive belt when the compressor seized up.

Sure it’s possible for the bearings in the alternator to seize and ruin the belt..

What are the signs your alternator is going out?

If you have a bad battery, here are some of the symptoms you may encounter:Engine Doesn’t Crank or Start. … Engine Barely Turns Over. … Dim Lighting. … Engine Starts and Stays Running When Jumped. … Dim or Overly Bright Lights. … Discharged Battery. … Alternator Noise. … Electrical Issues.More items…•

What does a whining transmission mean?

When you’re operating your vehicle, you may notice a whining sound coming from your transmission. … If you the whining noise coming from your transmission gets worse when your vehicle is in reverse, this usually means that the transmission fluid line is clogged.

How do I stop my alternator from whining?

How to Remove an Alternator Whine From a Car StereoCheck the wire routing for your car stereo. … Use a digital multimeter to read the voltages from the lines connecting to the battery, the radio and the amplifiers. … Ground your amplifiers before grounding any other components. … Install a noise filter in the power line between the alternator and the battery.

How long will a whining alternator last?

about seven yearsGunning says an alternator typically lasts about seven years — or about 100,000 to 150,000 miles, says Waits. Some mechanics, though, say they typically see alternators last about 80,000 miles.

What causes a high pitched whining noise in car?

A whining noise from the engine could be due to problems with the transmission. … Low transmission fluid can also cause automatic transmission shifting to feel hard or jerky. If the whining noise is caused by a transmission problem, take your car into your mechanic for repair.

When I accelerate I hear a whining noise?

A whining noise while accelerating it can causes by several things, including low levels of steering fluid, the steering pump, a leak in the pump, the alternator, wheel bearings, loose or worn belts, the transmission, and the exhaust.

Is alternator whine bad?

The grinding sound may be caused by a worn-out bearing. Your car can also make a whining sound when the voltage regulator is sending signals to the alternator to charge more than is necessary. If you hear any type of whining or grinding sound that’s a good indication that your alternator needs to be checked.

What are the signs of a bad alternator?

6 Symptoms of a Failing AlternatorThe indicator light. … Headlights are dim or flickering. … Other electrical failures. … Strange noises. … Car stalls or has difficulty starting. … Battery dies.