[s-cars] Suspension parts question - dimple in hood?

[Paul Gailus]

Tom,

You definitely need to keep using these metal cups with the Bilsteins.
The bottom concave part of this cup was used to retain the OEM bumpstop.
You no longer need that function.
However, the top convex part of the cup is needed to distribute
the shock compression loads onto the strut mount.
Just hold one of these cups against the bottom of a strut mount
and you can see how they were designed for eachother.

So, your hunch is correct. These are the things that are needed to
prevent the dreaded dimple in the hood.

Paul

----- Original Message -----
From: Tom Mullane <tmullane at snet.net>
To: <s-car-list at audifans.com>
Sent: Saturday, March 27, 2004 9:14 AM
Subject: [s-cars] Suspension parts question - dimple in hood?


> Folks,
>
> The weekend I am swapping the H & R Sports and Bilsteins from my parts car
> to my garage queen.  I one strut assembly from each car apart, and I seem
to
> have more parts on the stock set-up than on the modified set-up.
>
> I removed the assemblies from both cars and dissembled them side by side.
I
> compressed the springs, and removed the nut from the top of the strut
> inserts.  This allowed me to remove the whole bearing assembly and the
> spring from each strut assembly.  Looking at what I have left, the lower
> part of the strut assembly, I see that the stock set-up has some sort of
> upside down metal "cup" still on the shaft of the insert, while there is
> nothing on the Bilstein.
>
> Is this metal cup thingus not required with the Bilsteins?  Or is it the
> thing that stops the strut insert from blowing through the rubber strut
top
> and into the bottom of the hood?  Looking at the FA, I think the part in
> question is 4A0 412 339A.
>
> What's the call?  In or out?
>
> TIA,
>
> Tom Mullane
>
> 1995.5 S6 - Not yet road ready
> 1995 S6 - Parts car
> 1991 CQ - Injured reserve
> 1996 A6Q Avant - Daily driver
> 1999 A6Q - wife's ride
>
>
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