Cheers Griff. I ended up making a tool out of a long bit of copper pipe bent into a long thin 'Z' shape which hooked behind the remains of the seal allowing me to knock it out with a mallet. Job done :) New front hubs in, diff oil changed and an oil change and last night I drove from Kent to...

Deep apologies if this is covered anywhere else (I've looked and couldn't find my particular problem). I'm changing the passenger side front hub/bearing assy on my 1999 TD5 and I thought I'd change the leaking oil seal on the drive shaft while I was at it. No problem getting it all to bits but...