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Maria Stevens Posted on May 21, 2014
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What is the cause of a loud siren noise coming from my engine upon acceleration

Noise sounds like police sirens in the distance

1 Answer

John Ray

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  • Master 790 Answers
  • Posted on May 21, 2014
John Ray
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Joined: Oct 01, 2008
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Could be a belt, could be almost anything, !

Bring to a technician and have them check for trouble codes.

Not really enough information to give a fix.

5 Related Answers

Anonymous

  • 3 Answers
  • Posted on Dec 09, 2008

SOURCE: 2002 jeep liberty siren whining noise on start up

I had the same problem at about the same mileage. Replaced the power steering pump and the start up screaming went away! ( The Jeep's and mine!)

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Anonymous

  • 52 Answers
  • Posted on May 22, 2009

SOURCE: Noise like a siren when speed increases

hey plinio7,
Having been a jag tech for the last two years, this noise could be a million different things.
But If your sure that its not the wheel bearings then this is where i would start.
I had a few cases where the front diff. was making the noise, the best way to fine out if that is the problem is try to get all four tires off the ground. Start it and put it in drive, and put a longer screw drive or pry bar from the case to your ear. If its very lound then that is your problem.
Let me know what you fine thanks

Anonymous

  • 1486 Answers
  • Posted on Jul 18, 2009

SOURCE: noise coming from engine compartment like an

water pump or altinator pully bearings worn.Check belts for adjustment.Good luck.

dnewcombe1

Dana Newcombe

  • 1564 Answers
  • Posted on Oct 08, 2009

SOURCE: When the car is started and while driving it is

It sounds as though your alternator bearing is about to fail. Take a long screwdriver and carefully place it on the center of the body of the alternator, away from the spinnig fan. Place your ear on the screwdriver handle and listen for any bearing growling sounds. This is most likely your problem.

kb8dns

Rod Wallberg

  • 494 Answers
  • Posted on Feb 21, 2010

SOURCE: 2006 Dodge Gr. Caravan. Loud humming noise upon

Misalignment of the belt, incorrect belt, worn or loose tensioner, Too tight of an adjustment (many service centers do this on purpose so when the belt breaks in it becomes properly adjusted, I do not believe in this philosophy), The belt is actually one long belt called a serpentine belt.....

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Makes siren noise when accelerating

It sounds like your alternator is about to go out.
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Honda civic engine siren nosie

The main reason can be serpentine belt tensioner. Few more components that make siren noise are

1. When an alternator fails

2. If vacuum leak is there, then also vehicle may create siren noise. But in that case check engine light may come up.

The very first step you would be taking is to check the serpentine belt.
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Can a Slipping Belt Sound Like a Siren?

You are pretty good at this! Replace the belt, but don't buy a cheap one. The belt slips, then gets hot and sticky, noise goes away. Sort of like dragsters making their tires stick to the track, only a lot smaller. You get a point for your diagnosis.
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Loud siren sounding noise coming from under the back tire area. What is it

if noise gets louder as you speed up , most likely a wheel bearing is roaring.
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My 2003 northstar makes a siren sound when i start it cold it lasts about 30 seconds any suggestions thanks

HELLO; IF THIS NOISE IS COMING FROM THE DRIVER SIDE FRONT WHAT YOU ARE HEARING IS THE ELECTRIC AIR PUMP WHICH IS NORMAL UNLESS IT IS REALLY LOUD OR MAKING A GRINDING NOISE. tHIS PUMP IS PART OF THE EMISSION SYSTEM.
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My audi a3 2.0 tdi has a siren noise when driving it.

It's most likely the turbocharger. We used to have an Audi with a turbo and it had a bit of a whine when accellerating. A slight siren type of noise is normal for it, but, if it's real loud then it should be checked.
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When the car is started and while driving it is produceing a very loud whining noise. It gets louder when i accelerate. The noise is being compaired to a siren on a fire truck. What could be wromg??

It sounds as though your alternator bearing is about to fail. Take a long screwdriver and carefully place it on the center of the body of the alternator, away from the spinnig fan. Place your ear on the screwdriver handle and listen for any bearing growling sounds. This is most likely your problem.
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