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Rotor Rubbing control arm

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Old Feb 19, 2011 | 02:45 PM
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Default Rotor Rubbing control arm

FOUND PROBLEM, the source of the noise (humming/rubbing) was the inside of my rotors rubbing against the lower control arm.
QUESTION: Could bad hubs be the cause of this ? Or ?. I need to decide if I should still change the Hubs ?"
I was getting ready to change my Hubs when I noticed this.

Any suggestions ?

Thanks
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Old Feb 19, 2011 | 03:58 PM
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Old Feb 19, 2011 | 04:28 PM
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Can't say I've ever seen that. What's the history here? When were those rotors installed? If you just install the rotor(with lugs) how does it track when rotated?
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Old Feb 19, 2011 | 04:36 PM
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The existing rotors replaced the exact same ones 6 months ago. In the picture of the rotor that is the only place that is rubbing. The noise started only a few weeks ago.
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Old Feb 19, 2011 | 04:43 PM
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HOLY CRAP!!!! Bolt the brake rotor on the hub and see if you can deflect it by grabbing it at the top and bottom and appling force. Then try it side to side. The HUB should NOT have any deflection to speak of. That NOT something that I have ever seen. NOT GOOD!!!
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Old Feb 19, 2011 | 05:03 PM
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I put the rotor and rim back on. there is more than a 16 of an inch play when grabbing it from top - bottom and side-side.
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Old Feb 19, 2011 | 05:46 PM
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Originally Posted by buyyourvette
I put the rotor and rim back on. there is more than a 16 of an inch play when grabbing it from top - bottom and side-side.
If you can move it that much by hand, imagine how much it moves under LOAD....

You should not replace just ONE bearing. You should replace both the rear bearings at the same time.


BC
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Old Feb 19, 2011 | 05:53 PM
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The good news is I had the same thoughts. Now that you said it I feel more confident. The HUB it is. Thanks for the reply.
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Old Feb 19, 2011 | 09:20 PM
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When my 65 gto was 4 years old I had a vibration I chased for months. It turned out to be the front inside wheel bearing race had spun in the hub. When taken apart it appeared to be tight. When I did a complete parts exchange on a brake job is when it finally showed up.
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Old Feb 20, 2011 | 02:20 PM
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The new HUB is installed. Two test drives and there is no noise or rubbing. Thanks for all the help.
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