Loud hum when moving

Tiny
MADELINE PERRETT
  • MEMBER
  • 2008 CADILLAC SRX
  • V6
  • 2WD
  • 82,000 MILES
Loud hum while tires turning, not during idling. Starts almost immediately on take off, louder with exceleration. Reduces slightly on curves with speed.
Wednesday, October 16th, 2019 AT 7:00 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi,

This is almost surely a wheel bearing. Everything you described points towards this and even when in a turn it gets quieter. This is due to loading and unloading the weight of the vehicle on the bearing. When you shift the weight onto the worn bearing it quiets down. So you can drive down the road and swerve back and forth to see which side makes it go away and then that is the side to start with.

Also, if you want to get a recording of this, I can listen to it which will help confirm this because they do make a distinct noise. Thanks

https://www.2carpros.com/articles/car-howling-noise
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Thursday, October 17th, 2019 AT 2:04 PM

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