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front quarter whirring sound

  #1  
Old 05-20-2018, 12:30 PM
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Default front quarter whirring sound

2007 Camry LE. 119,00 miles. CV on right side. Front passenger side whirring noise that is barely audible at 15-20 MPH becomes most pronounced in 50 MPH and above range. Changes in pitch on a continuum--but are really clear when accelerating/decelerating in 50-40 MPH area (but still the whole pitch is on a continuum depending on vehicle velocity). No changes in pitch if auto transmission is tested by manually moved through gears 3 and 2, from D.

Appears totally dependent on front right wheel RPM. Tires recently rotated back to front--no change in sound.

Sound emanates from front right, but seems almost center-center right rather than edge right.

No out of ordinary vibration, or rattling sensation. It's 'whirring.' Does this sound like a CV axle assembly, or is it more likely carrier or pinion bearings at front differential? Thanks.
 

Last edited by n3a4; 05-20-2018 at 01:01 PM.
  #2  
Old 05-20-2018, 10:34 PM
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Are you stating the noise is different if the trans is manually shifted?

The right axle has an axle carrier bearing in-board of the CV joint. If you are up to it, find this bearing. After the noise is experienced for a time, find the bearing and check its temp by hand. Should not be hot.

Would be unusual if an differential problem unless lack of trans fluid.
 

Last edited by toyomoho; 05-20-2018 at 10:42 PM.
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