Grinding/humming sound...NOT wheel bearing??? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-03-2005, 03:20 PM   #11
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From my own experience both wheel bearings can go at the same time. I had a similar situation and replaced the side that seemed to be the culpirt.. then test drive and said "WTH".. clearly the side changed was bad, as was the other side too.

I'd say pull and check it out.
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Old 10-03-2005, 05:22 PM   #12
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Originally Posted by BillBoost37
I'd say pull and check it out.
That'* where I'm at at the moment, especially since I like to replace like parts in pairs anyway. I'll keep ya posted.
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Old 10-03-2005, 11:46 PM   #13
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Let me tell you about a seemingly silly test I did to determine where a similar noise was coming from on my '92 Bonne. I was sure I was hearing a wheel hub bearing going South but I could not tell which wheel it was coming from.

Using some Yankee engine-uity I duct taped, in turn, (don't you just love that stuff) a micro palm voice recorder to each wheel assembly. Can't remember exactly where but as I recall it was no problem to find a spot. Anyway I started with the driver'* side, turned the little feller to RECORD and took her for a ride down the street and back. For the second run I taped the recorder to the passenger side. Finally I listened to each recording. I could definitely tell then which hub was the culprit by comparing the volumn and type of noise generated from each side.

Worked for me!
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Old 10-10-2005, 09:58 AM   #14
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Replaced the right wheel bearing...that was it. Sounds gone!

I had to get out the hack saw to take the sucker off, and then the bearing came apart trying to convince it to come out, but I saved the top bolt!! :P
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Old 10-10-2005, 11:06 AM   #15
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Quote:
Originally Posted by TrueWildMan
Replaced the right wheel bearing...that was it. Sounds gone!

I had to get out the hack saw to take the sucker off, and then the bearing came apart trying to convince it to come out, but I saved the top bolt!! :P
from my experience when i was a mechanic, sometimes its very difficult to determine which side wheel bearing is making the noise, sometimes one will be making noise but the other side will have play in it.. other times you would swear the noise was from one side but its really from the other.. somehow the sound reaches a harmonic and transfers and aplifies across the car.. tricky little bastards.
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Old 10-11-2005, 02:21 PM   #16
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Probably stating the obvious, but how 'bout the tires? They can really set up a rumble if they're cupped.
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Old 10-11-2005, 06:24 PM   #17
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Probably stating the obvious, but how 'bout the tires? They can really set up a rumble if they're cupped.
Nah, I hear nothing but whisper now that I've changed the right hub assembly.
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