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Strange Noise

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Old 04-23-2008, 09:45 PM
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The backing plate is the metal shield behind the rotor. It wouldn't get bent just by bumping it, but take a look on each side and see if it is rubbing against the rotor somewhere. If so, bend it back out.
Old 04-24-2008, 12:29 PM
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To my knowledge, I only had backing plates on the rear rotors.
Old 04-24-2008, 07:58 PM
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Yup, the backs have backing plates. The fronts only have the small metal piece that attaches behind the hub, and contains the arm where the WSS clip connects. Your symptoms are pretty classic for a bad hub.
Old 04-24-2008, 08:01 PM
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Yeah it'* been gradually getting louder, even someone who rode with me only twice in the past week can notice it..
Old 04-25-2008, 12:36 PM
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Originally Posted by fbody69
As Archon said, it'* sometimes hard to tell which side it is.... On my 2001, I found a way to tell. If the sound changes when you turn your wheel slightly, it'* the side you turned towards. From some knowledge of bearings that have lost there 'pre-load', I figure that the extra stress put on a wheel when it turns out will quiet the bearing. One thing that makes this all a little less important is that the other side usually goes out within 10,000 miles anyway, so you aren't out much if you change the wrong side.
I just had a front wheel bearing replaced....could you make me any more depressed with this post?

FYI,
my wheel bearing noise started out very low and barely audible at 30mph or more. Went away completely below 30. Ovet the time of a month, it got worse and more noticable to the point I could hear it at 15 or more, and by 30, it was easily noticeable. To eliminate the motor as part of the noise, I dropped into neutral and changed RPM'* while speed remained constant. Noise didn't change with RPM'*.
Old 04-25-2008, 12:44 PM
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Originally Posted by HurstGN
my wheel bearing noise started out very low and barely audible at 30mph or more. Went away completely below 30. Ovet the time of a month, it got worse and more noticable to the point I could hear it at 15 or more, and by 30, it was easily noticeable. To eliminate the motor as part of the noise, I dropped into neutral and changed RPM'* while speed remained constant. Noise didn't change with RPM'*.
All of the above is becoming more true every day that I drive the car.

I put the car in neutral in the highway and revved it, when I first heard the noise, first thing I did.

It'* definitely not part of the engine, but great idea.
Old 04-28-2008, 02:00 PM
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hey guys. i'm a 2000 SSEI owner living in Vancouver Canada and I've been reading all the comments in this thread and wanted to post my own wonderings about the noise my car is making.

i own a 2000 SSEI with about 86,000km on it. there is a drone'ing type noise coming from the front end. i'm 99% sure that its not coming from the motor. ive tested the car on the freeway and this is what i've found.. in a straight line i can hear the drone'ing/ humming sound. the noise get much much louder whenever i turn the wheel to the right. when i turn the wheel to the left there is no noise. when driving in a stright line i can hear the noise and if i move the wheel even slightly to the left.. like 2-3 degrees the noise disappears. then when i move it back to the center position it returns. then i move the wheel slightly to the right it get louder.

any ideas on what do u guys think the problem might be?
Old 04-29-2008, 10:21 PM
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If it is a wheel bearing you can count on it getting worse. Mine progressed rapidly, but I guess some do not. I changed mine myself, pretty easy job. Bought the hub off of Ebay, although some on the forum have had bad experiences with some of the hubs offered there. I forget whichs ones are good vs wghich ones aren't. Mine has about 3k miles on it so far.
Old 04-29-2008, 10:24 PM
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I have two brand new GM OEM hub/bearing assemblies if you are interested PM me. I've replaced both of mine already and these are some spares I have on hand.

GM # 12429205 - NEW GM # 88964168

ACDelco # FW128 - NEW ACDelco # FW293 - Are the part numbers
Old 05-01-2008, 11:07 AM
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Originally Posted by sseicanada
hey guys. i'm a 2000 SSEI owner living in Vancouver Canada and I've been reading all the comments in this thread and wanted to post my own wonderings about the noise my car is making.

i own a 2000 SSEI with about 86,000km on it. there is a drone'ing type noise coming from the front end. i'm 99% sure that its not coming from the motor. ive tested the car on the freeway and this is what i've found.. in a straight line i can hear the drone'ing/ humming sound. the noise get much much louder whenever i turn the wheel to the right. when i turn the wheel to the left there is no noise. when driving in a stright line i can hear the noise and if i move the wheel even slightly to the left.. like 2-3 degrees the noise disappears. then when i move it back to the center position it returns. then i move the wheel slightly to the right it get louder.

any ideas on what do u guys think the problem might be?
Drivers side wheel bearing is bad. Test my theory. Then please report back.


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