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I have a chirping like noise in the engine, front left if I am at the opened hood. Any ideas?

Tiny
NELSONCLATTERBUCK
  • MEMBER
  • 2006 NISSAN XTERRA
  • 127,000 MILES
I have a 2006 xterra with127000 miles 4.0 - v6 engine. I just started to hear a chirping sound from the engine ( like a bearing going out). It starts as soon as I turn the car on and gets louder as the engine tachs up. The sound gets quieter as the engine shifts gears. This goes on for about 5 mins until the engine warms up then goes away. Any ideas on what this is? Thanks,
Nelson
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Tuesday, October 2nd, 2012 AT 5:30 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Worn, loose, or slipping serpentine belt. Also, a worn pulley bearing can allow that pulley to be tipped. That misalignment causes the belt to slide sideways across that pulley as it goes around it. That will cause a horrendous squeal.

Try dribbling a little water on the smooth back side of the belt while it's making the noise. If the noise changes, it's belt-related.
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Tuesday, October 2nd, 2012 AT 5:56 PM

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