[s-cars] bearing rumble

[Russ Panneton]

Jerry et al,

I had the left front wheel bearing replaced on my 115,800 mile 95.5 S6 
today.  It cured the low speed (~35 MPH) bearing rumble I've been 
hearing for the past year.  The shop double checked my diagnosis by 
using a stethoscope while using some motor to spin the wheel.  I was 
fairly certain the left wheel bearing was bad and also suspected the 
right front as well.  The shop could easily hear the bearing on the left 
side but couldn't hear any bearing noise of the right side but 
discovered that my right front wheel had a nasty flat spot on it!  That 
could account for the high speed "rumble" I was hearing from the right 
front.  I rotated it onto the right rear pending repair...

I've been recommended to use Keystone Automotive in Denver (semi local 
to me -- avoids shipping charges) to have my stock AVUS wheel 
"remanufactured."  Any other votes for or against this outfit?

Thanks,

Russ

Jerry Scott wrote:

> Russ
> I'll anxiously be awaiting the results.
> Jerry
>
> Russ Panneton wrote:
>
>> Jerry,
>>
>> Stay tuned -- I think it was me that was asking about a front-end 
>> bearing rumble.  My car goes into the dealer on Monday to have at 
>> least one front wheel bearing replaced.  I'll let you know if that 
>> fixes the noise!
>>
>> Russ
>>
>> Jerry Scott wrote:
>>
>>> I saw an earlier post that had the same problem as my car, but can't 
>>> find it, so here goes.  This is definitely a front of car, drive 
>>> line noise and not engine related.  Normal 60 mph driving produces a 
>>> low frequency bearing rumble that sounds almost like a tread buzz on 
>>> aggressive snow tires.  Since my tires are m+s with a very small 
>>> tread block, I know it's not the tires.  It has gotten progressively 
>>> worse during the last 3000 miles and is aggravated by turning to the 
>>> the wheel to the right at road speed.  Turning to the right seems to 
>>> make it more pronounced.  I have checked the boots on all four front 
>>> CV joints, which look fine with no tears or leaks.  Jacking up the 
>>> front wheels and spinning the tires does not produce any noticeable 
>>> axle bearing or CV joint clicking.  My first thought was that it was 
>>> a wheel bearing going, but laterally pulling on the front wheels 
>>> shows no play or roughness, at all.  The sound seems too low to be 
>>> the usual trany main shaft bearing, but could it possibly be the  
>>> output axle bearings for the trany?  It also could be the center 
>>> drive shaft bearing, but sound more like it is in the front of the 
>>> car rather than mid-car.  Any advice would be appreciated.
>>> Jerry Scott
>>> early 93 S4
>>>
>>>
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>>
>>
>
>