[V8] Still Have Vibration & Noise in 91' V8 Help!!

[32VQUATTRO]

Did you do both front bearings? I still thin you have a bearing problem( can 
be tough to track down some times(BTDT, I had two bad). my other suggestion 
would be to check all your tires for abnormal wear
----- Original Message ----- 
From: "Sports Car Workshop" <sportscar at gwi.net>
To: <v8 at audifans.com>
Sent: Wednesday, April 01, 2009 8:09 AM
Subject: [V8] Still Have Vibration & Noise in 91' V8 Help!!


>I have a 91' V8 that has a front end vibration and roaring sound that I'm 
>trying to solve. So far according to recommendations from folks I've 
>replaced what was thought to be a bad wheel bearing, which we replaced and 
>had no effect.  Then we found an inner C/V joint that was very dry - and 
>replaced the whole axle with one we had - no change with a road test. We've 
>changed the diff oil (it looked OK when drained if a little low), and 
>listened with a mechanics stethescope with the car running on the lift 
>right on the diff and it is not making any noises to suggest bad pinon or 
>carrier bearings. We did find the front engine mount to be broken (what's 
>referred to as the "anti-torque" mount) and replaced this forward mount - 
>again with not much change. I took it to a transmission specialist and they 
>suggested it could be the drivetrain is still twisting causing contact 
>somewhere along the line. New engine mounts are very expensive for the V8's 
>vs. the 5 cyl. mounts - and I don't want to put more money into this car if 
>it isn't the root of the problem. The sound it makes is a fairly loud dull 
>roar - not metallic sounding like metal surfaces turning hard like a bad 
>bearing. It's almost like a really bad tire, but I've rotated them front to 
>back. Any help out there? Thanks!
>
> Corey
> _______________________________________________
> Audifans V8 mailing list
> Send posts to: mailto:V8 at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
>
> You can help keep the audifans site running by shopping at 
> http://audifans.com/shop/
>