PS wheel bearing
natewin at yahoo.com
Tue Apr 29 14:07:50 PDT 2008
I was wondering if he had the same issue with different tyres / wheels. I'm aware of the difference in offset causing my bearing to groan.
I can't see why simply changing a tyre of the same size / make would cause bearing groan. Could it just be bad timing and it was going to go anyway? You could swap it with another corner on the car to make sure it isn't that specific tyre making all the noise.
----- Original Message ----
From: Bernie Benz <b.benz at charter.net>
To: Ed Kellock <ekellock at gmail.com>
Cc: 200q20V mailing list <200q20v at audifans.com>
Sent: Tuesday, April 29, 2008 3:06:10 PM
Subject: Re: PS wheel bearing
You’re basically right, Ed. Has nothing to do with the tire or wheel
excepting the wheel’s offset. i.e. where the center of force is
applied relative to the center of the double row ball wheel bearing,
not the center of the car.
On Apr 29, 2008, at 11:38 AM, Ed Kellock wrote:
> I would suggest that your difference in bearing noise is a function of
> the size of the wheel primarily and possibly somewhat of the tire.
> Geometrically, with a 8.5-inch wide et30 wheel, you're putting more
> leverage on that bearing since more of the wheel/tire is further out
> away from the center line of the car. Basically you're leaning on the
> bearing harder and more unevenly.
> On 4/29/08, Nathan Winters <natewin at yahoo.com> wrote:
>> When I run my snows 265/65-15 I get very little to zero noise from
>> my drivers-side rear wheel bearing.
>> When I run my summer 235/45-17 tyres I get quite a drone from the
>> drivers-side rear bearing.
>> Turn left the sound goes away, straight/right the noise is about
>> Are the tyres the same size as before?
>> I'm not sure what the steel rims that my snows are on but my
>> summer tyres are on Borbet Type TS: 17x8.5 30mm offset.
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