Whilst driving along the M6 on this very fine and sunny day I watched my temp gauge travel up from 60 to 90(it took 30 motorway miles to do this) then it carried on up to a grand total of 120 at which point the water light came on and it started buzzing!! Time, I figured, for a hard shoulder fag break. I gently opened the expansion tank to find the water boiling away to itself. Gutted that I had no eggs with me for a spot of light breakfast, I settled for a can of Relentless and another smoke. Once it had all calmed down I had a look in the expansion tank to find it was drier than a pair of grannys knickers I dropped 2 litres of water in the tank and drove VERY carefully back to RSD in Daventry. The good doctor of all things VAG, Danny, tested it and found that the head gasket had popped at the exhaust port(dunno which one, don't care much, all I know is it's fubar). Having left the A3 there, it's being pulled apart as we speak, the head is going for skimming and according to the VAG doc it should be back together and making noise again by tomorrow night :thumbsup: The downside is coming in the shape of a £420 whole in my pocket, but atleast my P&J will be all sweet again. Guess it wasn't overcooling afterall. Still, on the plus side it was due an oil and filter change anyway.