
With the aid of a paint brush it became this


Matrix coupling came off very easy but the heater box did not want to separate. Just what I didn't want after the windscreen scuttle. And then out with the old, in with the new


Once the heater box was back together I unscrewed the bleed nipples, put the upturned bottle on the expansion tank, and poured fresh water in until the rust coloured water became clear. And no leaks!
