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RWmG
Novice
Jun 6, 2007, 8:02 AM
Post #1 of 9
(1991 views)
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1993 Hyundai Sonata
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I have a 93 Hyundai Sonata when i was changing the front brakes i noticed that the rotor on the driver side kinda wobbled the one on the passenger side is tight.It makes like a low pitch woo woo woo woo noise that speeds up the faster i go when i drive and the front end vibrates some.Is this from a bad bearing,cv joint???Anybody have any ideas?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 6, 2007, 8:17 AM
Post #2 of 9
(1987 views)
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Re: 1993 Hyundai Sonata
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Did this just happen with brake work? If so it could be corrosion between rotor and hub that needs to be cleaned out,
T
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RWmG
Novice
Jun 6, 2007, 8:29 AM
Post #3 of 9
(1986 views)
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Re: 1993 Hyundai Sonata
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I noticed the rotor was moving when i was taking the tire off.The noise started about 2 weeks ago.A friend told me change the brakes to see if it would stop it.I haven't driven it yet because i don't want to take a chance of something breaking.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 6, 2007, 8:43 AM
Post #4 of 9
(1985 views)
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Re: 1993 Hyundai Sonata
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Ok: Just take the wheel off and see if rotor can move top and bottom in and out. Most of these rotors are not loose to the hub but if it is it should be removed for inspection and if rusty they should be replaced -- both of them. Check out if the whole hub wobbles or just the rotor. Whole hub would be a bearing problem,
T
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RWmG
Novice
Jun 6, 2007, 8:47 AM
Post #5 of 9
(1984 views)
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Re: 1993 Hyundai Sonata
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Ok.Thank you I'm gonna go do that now.I'll be back.
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RWmG
Novice
Jun 6, 2007, 10:57 AM
Post #6 of 9
(1981 views)
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Re: 1993 Hyundai Sonata
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I think the hub is built onto the rotor.The top bottom and sides move in and out.The middle part doesn't move up or down or in and out.When it moves the cv joint moves with it.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 6, 2007, 7:23 PM
Post #7 of 9
(1980 views)
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Re: 1993 Hyundai Sonata
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Ok: When I said "rotor" I meant just the rotor and "hub" I mean the part that the CV shaft goes thru, has the bearing, the studs for the wheel and lug nuts. The rotor fits over that hub and on Asian style brakes the rotor is so snug to that hub that it may have threaded holes to pull the rotor off. They can appear to be one unit....rotor and hub but I can't think of an exception to this type of car.
It would be ok if the rotor could wobble when the wheel is off on some cars but I really doubt it with this one. You said the passenger's side didn't do that. I am still confused as to how it came free from the hub unless you had just moved that wheel and if loose enough it didn't center itself back on the hub when tightening up the wheel. If it did that it could be bent or rendered unusable again. To take those rotors off the car you have to remove the bracket that holds the brake caliper which you may have noticed when you did the brakes.
At any rate if we are confusing each other about what is wrong you need real hands on help to pin point the problem. THIS IS A REAL SAFETY CONCERN and you should be afraid of driving it as you mentioned as something could fall off!
Be careful. I'll try to help as I understand what is happening. So far I advise that this car is grounded till fixed,
T
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RWmG
Novice
Jun 7, 2007, 9:33 AM
Post #8 of 9
(1977 views)
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Re: 1993 Hyundai Sonata
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It is the bearings.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 7, 2007, 11:23 AM
Post #9 of 9
(1976 views)
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Re: 1993 Hyundai Sonata
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Great that you found out! Air tools help and most are not that hard to do,
T
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