[s-cars] Center drive shaft u-joint]

[Jerry Scott]

Mike
Here are some posts that I have in my Evernote files that may be helpful:
Jerry Scott


Hi all
My 94 S4 6 speed has a shudder in the driveline at slow speed around
20-30 km/h. The more accelerator I use the worse it feels but once
speed builds it smooths out completely and has no trace of vibration.
It feels like just under my seat and as such points to the
driveshaft/ gearbox area. Gearbox feels completely normal. It
absoutely does NOT feel clutch related. The driveline is shrouded, as
you probably know, and before I start pulling things apart.... has
anyone else lived through this issue and can cast me some pearls of
wisdom. I guess the options are; universals, hanger bearings, gearbox
mounts, shaft balance. Have I missed anything?


Sam Clarkson
Edge to Edge
P.O. Box 27
National Park 2653
Ph 0800 800 SKI (754)
http://www.edgetoedge.co.nz
 
Sam, My money is on the CV joint at the front of the prop shaft. The
grease
dries out and it starts making metallic clanking noises when you take
off at
WOT in first gear and a little in second. In higher gears and speeds,
you
cannot hear it. Unfortunately this part cannot be purchased  separately.
You
may be able to pack some fresh CV grease in there and be ok. I have  not
done
this myself, but have had it done on the 95 avant by a local mechanic.
The
prop shaft service requires removal of the exhaust, but you probably
knew
that already.

HTH

Serge Filanovsky
 
 
I'm still betting 99% on the carrier bearing but you can buy the CV
joint separately.  It has a Porsche part number: 92333203200.

Gabriel Caldwell
 

    Hi all just a follow up on this item from August...

Yes as usual you guys were bang on the money. Front CV which when I 
 think about it was worn and was probably "locking up" under high 
 torque and thus making the shaft move around in the hanger bearing. 
 The Porsche part # is spot on.
My what a stupid place to put the handbrake adjuster! Thought I'd  best 
do it while I was there.
So thanks all what can I say...
You guys run rings around the rest, four of them I think.
Sam


mlp on D530 wrote:

>If my increasingly suspect memory serves me, sometime, long, long ago, in a
>galaxy far, far away there was a thread on repairing or replacing a UrS4/6
>center drive shaft U-joint with either a commonly available substitute
>Mercedes Benz or BMW cross over part?
>
>Any one recall the details; or part number; or a write up on SMJ's or
>Charlie Smith's invaluable sites?  
>
>It's not for me so much as poor Pizzo, who's now somewhat stranded in
>Steamboat without the Green Garbage Can (P Krasusky's "GGC") to kick around
>with the www.gruppe-q.com crowd.
>
>Cheers
>Mike
>
>
>
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