While driving roaring noise can be heard

Tiny
TE03FISHER
  • MEMBER
  • 1999 MAZDA PROTEGE
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 189,000 MILES
Hear roaring noise while driving but not when setting still?
Sunday, July 22nd, 2018 AT 1:09 PM

2 Replies

Tiny
AARON.D
  • MEMBER
  • 2 POSTS
Sounds like a bad wheel bearing try to pin point if it is louder in the front or back.
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Sunday, July 22nd, 2018 AT 3:28 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Hi and thanks for using 2CarPros. Com.

A bad wheel bearing can cause a howling noise when moving. Often times, you the sound will change when turning, which can help locate the bad bearing. Your vehicle is front wheel drive, so if I had to guess, I would think it is one of the fronts. However, a rear bearing can go bad. Pay attention when driving. If the noise gets louder when you turn right, the left front wheel bearing is bad. The opposite when turning left will be experienced. Basically, the weight of the vehicle shifts when turning placing more of a load on the bearing. Thus, it gets louder. Keep in mind, the opposite can happen. If it gets quieter when you turn right, you are actually removing load from the right wheel and it will get quieter.

Try that test and let me know what you find.

Take care,
Joe
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Sunday, July 22nd, 2018 AT 8:34 PM

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