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What is causing a loud hum/whirr?

Tiny
MUNCH5611
  • MEMBER
  • 2006 CHEVROLET AVEO
  • 60,000 MILES
When on the highway, taking my foot off gas and/or braking. Turning to the right only. Both right and left cv axles have been replaced, as well as brakes and rotors.
Monday, September 26th, 2011 AT 5:27 PM

4 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,760 POSTS
A buzzing noise that sounds like an airplane engine is typical of a worn front wheel bearing assembly.
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Monday, September 26th, 2011 AT 6:31 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Just to add to this one if its heard when turning to the right its usually the left bearing. If you have a jack and jack stands I have a trick to tell if its the wheel bearing and if so which one it is.
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Monday, September 26th, 2011 AT 6:35 PM
Tiny
MUNCH5611
  • MEMBER
  • 2 POSTS
Thanks for the info. A friend had suggested bearings, but my husband thought it was the axles, and replaced them first.
Have an appt. With the garage tomorrow. Good to know what it is ahead of time. Thanks again.
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Tuesday, September 27th, 2011 AT 3:11 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome thats what were here for. Without checking it dont know for sure but from the description sounds like possibly a wheel bearing.
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Tuesday, September 27th, 2011 AT 3:16 AM

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