ENGINE BUZZING SOUND

  • Tiny
  • Norlig
  • 2000 Alfa Romeo 156
  • 73,000 miles

My car is making this sound:
http://www.youtube.com/watch?v=XYdL5W_DDjU&feature=plcp

What could it be?

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Tuesday, July 3rd, 2012 AT 3:34 PM

4 Replies

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Sounds like a bearing gone bad in power steering pump. Does noise change pitch with the turning of steering wheel?

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Tuesday, July 3rd, 2012 AT 4:00 PM
  • Tiny
  • Norlig
  • Member

I cant say that I have noticed that the sound changes when I turn.

From a forum post I made, some say it might be the auxiliary tensioner?

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Tuesday, July 3rd, 2012 AT 6:52 PM
  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Yes that could be can you remove drive belt see if noise stops if so hand turn pullies see if any feel rough or loose

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Sunday, July 8th, 2012 AT 6:19 PM
  • Tiny
  • Norlig
  • Member

I took off the belt 2 days ago, and the Noise stopped.

The Tensioner I did not feel and grinding in the Tensioner, but when the Power steering pump did feel loose, as I could tilt it slightly, but not much.
When beeing turned by hand it did not make any sound.

The Alternator did not feel loose, but I did not manage to turn it, as it was too far down to reach.

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Sunday, July 8th, 2012 AT 7:10 PM

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