hi guys and girls got an annoying water leak , my rad started leaking about 3 weeks back so swapped that for a new one .....sorted no leaks ... Sound then last week saw some coolant under the car so inspected couldnt see any leaks , had a quick look last night and there seems to be water sat on the block around the oil dipstick /thermostat area but i cant see a crack in the housing or see it actually leak , seems to only leak when its not running and ideas would be great , thanks in advance .