No corresponding oil patch on the drive where it stood on Sunday night, so it has gone and leaked a load of oil in the 30 miles to work. Have put some stop leak in, but very much doubt this will help. No time / inclination / garage space to fix it at the moment, so it will be getting taken elsewhere if it needs changing.
Don't know why it has suddenly let go - just one of those things I suppose - unless the oil pump pressure relief valve has got stuck. I did put about a pint of 20/50 oil in it 1500 miles ago when I changed the oil, but I can't see this causing it.
On the up side, at least it's not the head gasket at the back O/S corner that I thought it might have been first off [8)]
Update 09/11.. Had a look tonight and located the leak under the injection pump (well that's where it's making itself seen anyway!)


Theres a piece of cast alloy next to the block under the injection pump and the oil is dripping from here. A lot of it[:(]
Any ideas[?][?]
I can't see it being the cam oil seal, but I could be wrong. Cracked block, fractured oil gallery? No sign of any oil above the bottom of the injection pump.
Anybody want a leaky Xantia with a slightly dodgy clutch.....[:(!]