Wheel noise

Tiny
JAMES1965
  • MEMBER
  • HYUNDAI
I have a 2003 hyundai Sonata 6cyl 75,000 that is making a grinding noise from the passenger side rear wheel. I have inspected the brakes and they appear ok. I have noticed however that the rotor is warped. I can't tell how badly because I have not removed it yet. Ca na warped rotor cause this type of noise? The grinding neither lessens or worsens when the brakes are applied. Braking seems even and there is no pulling to either side. Thank you for any help.
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Wednesday, June 6th, 2007 AT 9:50 AM

5 Replies

Tiny
SERVICE WRITER
  • EXPERT
Rarley can you see a warped rotor to identify it. You would certainly feel it in the pedal when braking. There is probably something rubbing on the rotor.
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Wednesday, June 6th, 2007 AT 7:05 PM
Tiny
JAMES1965
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True. The way I suspect rotor warp is after I pulled the tire, I spun the wheel several times and there is a definate rub pause rub noise as I spin the wheel. Gonna remove it today and take it to a mechanic shop. The wheels noise has begun to subside. Is it possible that the bearings need to be packed/replaced?
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Thursday, June 7th, 2007 AT 8:46 AM
Tiny
SERVICE WRITER
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Usually it would make a hum when a bearing goes bad. Isn't that a sealed unit on that one?
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Thursday, June 7th, 2007 AT 9:07 AM
Tiny
TURBOTUFF20G
  • MEMBER
I would also have your technician check for rust on rotors contactig caliper and check the emergency brake pads behind the rotor, make sure theres no rust and check pads to see if there seized
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Thursday, June 7th, 2007 AT 9:00 PM
Tiny
SERVICE WRITER
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YEah, good point, the e-brakes shoes have been known to let loose in various forms that would do that.
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Friday, June 8th, 2007 AT 5:12 AM

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