Rear Main Seal

Hi all

I have a 1600dp, with about 3000miles on the clock and is about 10 months
old. It doesn't drip a drop, well at least not in my carport. I do however
have a mean clutch shudder, it's not the Bowden tube, I have replaced it and
set the correct "dip".

I suspect the clutch or pressure plate, as I've discovered it was the same
one that was on the original oil leaking engine. I want to remove the engine
and replace the clutch but get the whole system balanced, the clutch,
pressure plate and flywheel, so that every thing is matting probably. My
question is that, I'll have to remove the flywheel for this, will I have to
replace the rear main seal when I do? It's not leaking and is less than a
year old, I'm not a believer in fixing something that isn't broken. Could
removing the flywheel damage the seal?

Thanks in advance
Regards
Kevin