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2008 Toyota Yaris 2008 Toyota Yaris Whining sound

Tiny
NATHANCD
  • MEMBER
  • 2008 TOYOTA YARIS
  • 4 CYL
  • 2WD
  • MANUAL
  • 38,000 MILES
I just noticed this sound today, but whenever I accelerate I hear this whining sound. It's hard to tell if it's coming from the engine or somewhere else. It gets louder as I accelerate, so when the engines rpms back down to 1000-1500, it's quiter, and it get's louder at 2500-3000.

Any help or advice would be appreciated.
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Thursday, July 29th, 2010 AT 6:46 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Inspect the serpentine belt for wear.
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Friday, July 30th, 2010 AT 6:57 AM
Tiny
NATHANCD
  • MEMBER
  • 2 POSTS
I tried to look to where it was coming from, and it seems to definitely get louder from the alternator, and it also seems to go away after a while of driving.
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Friday, July 30th, 2010 AT 3:38 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Could be an alternator bearing or tensioner pulley.
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Saturday, July 31st, 2010 AT 10:31 AM

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