Hi all,has anyone had a coolant leak at back of engine,seems to be coming from where the flywheel is and dripping down to where the metal bar is for securing the under tray to,has only happened since I topped up the coolant,it’s a 3.0l a6 c5 Quattro 😬,thanks 

Not so clued up on the 3.0 petrol unfortunately. 

Still learning myself,found the leak eventually had to do it in the dark,neighbours use to it by now, it’s coming from the crossover cooling pipe between cylinder heads looks like the rubber seal has gone on connection to pipe on passenger side, a lot of stripping down to get to but that’s the fun of it,cheers Steve.      How are you getting on with your car 

No probs at all sorry I couldn't help. 

Hoping it'll be going to have it's donor engine installed soon 🙂 aiming to have it back running by April for simply Audi next year. 

Nice one,another one saved and back on the road,if you’re not fitting it yourself even better just need to get it all clean in time for the so called summer that we get,hope all goes well with it