[V8] Transmission Mounts - signs of failed mounts?

[Jeremy Ward]

Thanks for your replies, Dave.  It has been doing it almost as long as I
have had the car (3 years), got progressively worse, and is pretty
predictable now.

2 years ago, I replaced the rubber exhaust hangers, as I heard that they can
stretch and cause the sagging exhaust to rub on the cross brace - no change.

When you look at the underside of the car, you can't tell any obvious signs
of exhaust rubbing on other parts, but I will take a closer look.

Which leads me to my next question...  How can you tell for sure whether or
not you have a failed mount (motor, transmission, or torque stop)?

Thanks in advance,

- Jeremy

-----Original Message-----
From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
dsaad at icehouse.net
Sent: Thursday, October 20, 2005 9:25 AM
To: v8 at audifans.com
Subject: Re: [V8] Transmission Mounts

Forgot to add -

if the exhaust pipes are hitting on the car body - meaning they are too
high,
your problem is the front mounts have collapsed. BTDT.

Dave


Quoting dsaad at icehouse.net:

> Have you had your car at the tire shop recently?
>
> If they used a platform lift on your car, they more than likely bashed in
> the
> cross member and or floor pan. The rattle is the exhaust on the cross
> member.
>
> Of course you could have bad tranny mounts too - but look at the
crossmember
> and
> pipe alignment. You can bend the crossmember if needed, and the exhaust
> pipes
> can be adjusted a small amount.
>
> Dave
>
>
> Quoting Jeremy Ward <jward.v8 at gmail.com>:
>
> > Well, it's time to replace the (auto) transmission mounts on my V8.
When
> I
> > am at a stop light (for instance), I have a rattling vibration that
appear
> > to be coming from under my seat.
> >
> > Any BTDT experience on this job?
> >
> > The part number I have is 441 399 153C for both the left and the right.
> > What are your thoughts about using good-used mounts?  Anything else I
> should
> > replace at the same time?
> >
> > Thanks in advance,
> >
> > - Jeremy
> > http://www.risingconcepts.com/frapper/audiv8qowners - 42 V8s on the map!
> >
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