ok checked the head looked fine had it skimmed all back together mfa is reading 20+ now but i have another problem the water is coming out the little over flow hole in the expansion tank changed the cap as the rubber seal was nackered but the hoses are soft even when hot so theres no pressure there a local vw garage has said they think it is the water pump apparently a common fault with the early and gen vr6 engines the veins on the water pump break up which cause the system not to work as it should any body else had this prob.