[s-cars] not again!! (propellar shaft)

[Bjørn Ødegård]

I guess this says says the same, but the tool would be nice if you haven't
marked the previous spot..

http://www.sjmautotechnik.com/trans.html#drvshft
Excerpts:
'When installing the center driveshaft, make sure you center the drive shaft
front to rear, by pushing it as far forward as it will go, mark the position
of the center support bracket, then push it back to the rear as far as it
will go, mark the bracket position, and finally move it half way back
forward. Also make sure the side to side alignment is correct and straight,
adjust as necessary. The up and down position of the center support should
also be checked to make sure the two piece driveshaft sections are lined up.
This is adjusted as necessary by adding or removing spacers between the body
and the center support bracket'

Shims should be the same, if the old bracket (re-welded) is used?

The sound may be coming from the shaft being too far in a forward position,
and thus touching the trans housing somewhere. (Hope it's just the exhaust
touching somewhere..)

Regards,
Bjorn  :o)
'92 S4

----- Original Message -----
From: "Fred Munro" <munrof at sympatico.ca>
To: "'Jan Nielsen'" <audis8 at online.no>; <s-car-list at audifans.com>
Sent: Tuesday, July 09, 2002 4:34 AM
Subject: RE: [s-cars] not again!! (propellar shaft)


> Hi Jan;
>
> The shaft has to be perfectly aligned when the bearing is bolted to the
> chassis. Audi has a tool for doing this - it's a long bar which bolts to
> both halves of the driveshaft and holds them in alignment while you shim
> the carrier bearing. The Bentley has data on the shims - as I recall there
> is a certain clearance required between the shim and the chassis with the
> tool in place. The fore-and-aft clearance is adjusted by pushing the shaft
> to the rear, marking the carrier position, pushing it to the front, make
> another mark, and bolt the carrier halfway between the two marks.
> If the shaft is not aligned properly, you'll get all sorts of noises and
> vibration on acceleration or deceleration.
>
> HTH
>
> Fred Munro
> '94 S4
>
>
> -----Original Message-----
> From: Jan Nielsen [SMTP:audis8 at online.no]
> Sent: Monday, July 08, 2002 11:08 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] not again!! (propellar shaft)
>
> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
> well well well.. as i wrote on saturday everything seemed fine after my
> propellar shaft "rebuild"..... to day i started noticing som noice.. not
> rattling or anything, but more like a buzzing sound comming at around 50
> mph and when i haul ass its like a vibration, but not like before.. sound
> more like someone is drilling a hole in the car somewhere..  i got home
and
> went for som heavy acceleration test in first gear... sheeesh.. it really
> sounds bad.. almost like the shaft is rubbing towards the some metal
> underneath the car...
>
> i'm thinking of going under the car again tonight even if i dont really
> want to spend more hours underneath there.
>
> i have 3 questions also.
>
> Will the position of the shaft be different if the car is jacked up or
not?
> i dont think so?
>
> And the carrier bearing mounting on the car can be adjustet both sideways
> and forward and backwards... i positioned it after tightening the shaft in
> both ends so the bearing was kinda in neautral..opinions?
>
> And can my gearbox or rear diff have taken some serious damage after i
> drove 3 days with the broken shaft that made the car shake and rattle?? i
> guess i drove about 30 miles al together before taking it of... only
> carefull driving.
>
> Mvh Jan Nielsen
> *that does NOT want to rebuild again!*
> --
>
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