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Audi a6 2.7t loud buzzing noise on top of engine upon start up? It's at the rear close to bulkhead and sounds like its coming from a round black cylinder, it lasts for around 30secs to a minute then dies off?

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Posted on Jan 02, 2017

kb8dns
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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.....

Posted on Feb 21, 2010

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The e t c is buzzing what is causing this


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Jan 05, 2016 | 2000 Nissan Altima

1 Answer

When trying to start there's a noise coming from the top of the engine


take a long screwdriver ,put one end on engine surface and the handle of screwdriver to your ear, then listen to the most loud sound move from place to other. ex.timing chains case , valve cover, front or rear engine, to locate the noise.

Aug 03, 2013 | 2006 GMC Envoy

1 Answer

ALARM KIND OF NOISE THAT WILL NOT STOP WHILE DRIVING. IN AUDI 2006


does it come from inside the cabin might be a fault with the seats or seat belts as when you get in and dont put your seat belt on it makes a beeping noise untill the seat belt gets put on is it this noise could be a faulty seat sensor wouldent of thought it was the turbo hissing or screeming yes but not a buzzing noise but then i could be wrong hope this helps ivan

Oct 24, 2012 | 2006 Audi A4 2.0

1 Answer

Very loud noise coming from rear like metal on


Most likely it's your low brake pads indicator that is making the noise and they need to be replaced soon before rotor damage happens.
Thank you for using fixya and be safe.

May 11, 2010 | 2000 Audi TT

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Buzzing or humming rear passanger tire


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ThenI start my engine it sounds like diesel and no power


how is the oil level and pressure?, how many miles on engine? is this a loud knock or rather a clatter/ticking noise? knock is engine rod or crankshaft bearings, clatter loud ticking is valve follower noise. how long before it (the noise) goes away?

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