[alfettish]

Quote:

Originally Posted by SamW Maybe the Ausie GTV6's are different, but on the US models there is a bleed screw right on top of the thermostat housing. Check the fan belt running the water pump and make sure it is not too loose and slipping. It is possible to push compression into the water jacket without the tell tale signs of water and oil mix, it puts air into the heads which just makes things hotter, might be worth doing a cooling system pressure test to see if you get air bubbles in the cooling system.