Cheers its the water temp I have managed to pinpoint it to the actual temp sender unit which has the radiator top hose attached too, luckily enough I have my other audi in bits so it came off that, now when removing the faulty one I snapped a bolt so any ideas on that! As its the engine block I can't weld as alloy will melt before steel bolt, struggling to drill due to lack of space but a dremel flexi seems to get in so a trip to get some easy outs tomoz is on the cards unless someone else has a better idea?
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