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Old 03-14-2015, 05:52 AM   #1
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Need Advice - Wheel Bearing Noise?

I need some advice. I just noticed a new rotational squeak coming from the left side of my 2002 Boxster S. This squeak starts above 25 MPH and I think is getting worse. Could this be a wheel bearing issue? Thanks in advance for your help.
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Old 03-14-2015, 07:50 PM   #2
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Does it change when you apply the brakes??
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Old 03-14-2015, 09:04 PM   #3
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Wheel bearings don't squeak. I have one that needs replacing soon and it's more of a constant hum/growl that get loader as the cars speed increases.

Jäger might be going down the right path.
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Old 03-15-2015, 04:52 PM   #4
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Sorry for the delayed response, out enjoying a beautiful day here in Colorado. It's a higher pitch whine that starts above 25 MPH and stops below 25 MPH. The last time I just coasted down in gear.
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Old 03-16-2015, 05:04 PM   #5
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My 2002S needed a right rear wheel bearing at just under 50K mi. Replaced them all. It did start as a roar that just got worse. I thought this a bit early at such low miles. Chevy truck just now needed front bearings at 130 K Mi. And that was after a family member hit something, bending a wheel and damaging a tie rod.
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Old 03-17-2015, 03:29 AM   #6
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Quote:
Originally Posted by opus69 View Post
My 2002S needed a right rear wheel bearing at just under 50K mi. Replaced them all. It did start as a roar that just got worse. I thought this a bit early at such low miles. Chevy truck just now needed front bearings at 130 K Mi. And that was after a family member hit something, bending a wheel and damaging a tie rod.
Mileage is not the only factor. Age plays a big part as does driving style, both yours and any po.
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Old 03-17-2015, 04:07 AM   #7
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Wheel bearings don't squeak. They do make a grinding noise.

Take a look at your brakes and brake pads. Did you put adhesive pads on the back of the brake pads that retract the brake pads from the disk? German term for that is Dämpfungsblech - think it is damping plate in english.

They look like this:

Last edited by Smallblock454; 03-17-2015 at 04:13 AM.
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Old 03-19-2015, 05:27 PM   #8
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Thanks all, I'm going to go work my brakes a little this weekend and see if that's the issue.
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Old 03-20-2015, 06:05 PM   #9
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Problem solved! It must have been a rock or twig in the brake backing plate or caliper. It's amazing how much more fun the car is to drive when it doesn't squeak. Have a great weekend all and thank you
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