Need help Have cooling water loss has to refill 0.5 liters 1 times a week and when the engine is cold, the balance tank is under high pressure it does not enter any water thinking it will be burned in oil is also not water to recognize think it is the head gasket that has a Ries If I have to change on what I have to pay attention to was told that the valve cover has to be chipped because of the camshafts if someone can give me some answers and tips I can very gratefully MFG.Trolly