[s-cars] bearing rumble

Jerry Scott jerryscott at earthlink.net
Sat Nov 29 18:24:21 EST 2003

I'll anxiously be awaiting the results.

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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