Well that's just great!

[Agreeable Slick]

To you with the angry blinkers on, yes, it is no doubt all the proof you need.

However, to them, they let it go not leaking, who is to say you haven't gone out ragged around and popped a driveshaft seal (assuming it is one of them) in the process?

Plausible deniability. It will also depend very much on what sort of attitude you go in with. They can quite easily tell you to do one.

[Thom89]

To you with the angry blinkers on, yes, it is no doubt all the proof you need.

However, to them, they let it go not leaking, who is to say you haven't gone out ragged around and popped a driveshaft seal (assuming it is one of them) in the process?

Plausible deniability. It will also depend very much on what sort of attitude you go in with. They can quite easily tell you to do one.

Bang on... He who complains that his Big Mac is not right, gets the next one spat on!
Thom

[Diamond Hell]

You need to confirm where the oil is coming from and what soret of oil it is.

As people have suggested, it may be a driveshaft seal, or it might be the input shaft, which could be a result of the drive plate not *quite* being centred (or just because it's 20 years old).  Gert yourself properly informed and go back with a cool head on.

[AudiA8Quattro]

Agree with Diamond Hell, you need to find out where the oil is coming from, can you post up any pics?
I can't really see how a drive flange oil seal could be damaged while doing a clutch, the shafts simply unbolt leaving the flanges in place.

[Dolly]

on my seat ibiza i removed the one flange because it caught the subframe making a pain to get the box in and out, maybe they have done the same and damaged the seal ect. or they dont know VW's and drained the oil not realising the shafts bolt on and then didnt tighten the drain plug back up or something soft.