Car Noises & What They Mean?

Written by Ira Hellman and published on https://www.geico.com/.

As your car or truck ages and accumulates more miles, it’s likely to develop some interior squeaks or rattles, and that’s perfectly normal. There are other noises, though, that can indicate trouble — or may not indicate much of anything at all. It’s a good idea to keep an ear attuned to these noises and know what they mean if you hear them. Cars make a lot of different noises that are completely normal. But how do you know if the noise your car is making is a sign that there is a larger issue? Some people notice that their car is making strange noises and wait too long before they get a professional to come out and take a look at it. This leads to unnecessary, costly repairs that could have been avoid if they knew what noises we problematic and which noises were normal.

 

7 Car Noises You Should Never Ignore

Hmm. Purr. Vroom. Modern engineering has made driving a car easier on the ears than ever.

But there are some car noises you don’t want to hear, because they can signal trouble. Every once in a while, roll down the windows and start listening for “any sound that is odd,” says Mike Peth, director of technical training at Ohio Technical College in Cleveland. “You know your car, so you can often pick up something that may become a problem.”

These seven car noises might be warning signs of trouble:

  1. A sound like a coin in a clothes dryer.
  2. Brakes squealing, grinding or growling
  3. A finger-snapping, popping or clicking sound when you turn
  4. A rhythmic squeak that speeds up as you accelerate
  5. A howling, whining or even “singing”
  6. Rhythmic clunking, tapping or banging from under the hood.
  7. Squealing under the hood at start-up or when accelerating.

1. A sound like a coin in a clothes dryer

What it means: If you hear something rattling around inside a wheel at low speeds (and then stops as you drive faster) it could be a loose lug nut inside a hub cap. That might mean your wheel wasn’t tightened properly the last time it was removed and replaced. Take your car to a mechanic ASAP.

2. Brakes squealing, grinding or growling

What it means: If you hear a squealing noise, your brake pads or shoes might be nearing the end of their service life and must be replaced. If they grind or growl, get your brakes checked out immediately. It could be a sign that pads are so worn that metal is touching metal—a serious problem that could affect braking efficiency.

3. A finger-snapping, popping or clicking sound when you turn

What it means: If you have a front-wheel-drive or all-wheel drive vehicle and hear this sound when you turn or corner (but the noise stops when you steer straight) one or both of the constant velocity (CV) joints on your front axle could need replacing.

4. A rhythmic squeak that speeds up as you accelerate

What it means: If you have rear-wheel or four-wheel drive and hear this sound, the culprit could be the universal joint (U-joint), which are found in pairs and are components of the driveshaft. Get it checked by a mechanic immediately.

5.  A howling, whining or even “singing”

What it means: This is usually a sign that your bearings—tiny metal balls that help parts rotate smoothly—aren’t doing their job. But which ones? If you have front-wheel drive, and the sound changes as you turn left, right and back again, it’s likely your front-wheel bearings; a gradually growing, steady howl signals rear-wheel bearings. If you have rear-wheel drive and the whine gets louder as you accelerate, your differential, which allows your wheels to spin at different rates when needed, could be leaking fluid. Get it fixed immediately.

6. Rhythmic clunking, tapping or banging from under the hood

What it means: There could be a serious problem with valves, connecting rods or pistons. Get to a mechanic ASAP.

7. Squealing under the hood at start-up or when accelerating

What it means: This could come from worn or loose accessory belts that drive things like your power steering pump, air conditioner compressor and alternator. With newer cars, it may point to the serpentine belt, which drives multiple accessories at once, and is relatively easy and cheap to fix.

Original post here https://www.geico.com/living/driving/auto/auto-care/car-noises/.

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