Vauxhall Monterey Head Gasket Problems

i have renewed the head with brand new,plus head gasket, put it all back together and the water system is still pressurising. I think the compresion is leaking into the water jackets some how please help. thank you.

vauxhall monterey 3.2 v6 (m reg) estate... isuzu trooper Hi, there is a steady flow of water coming from the front lower end of the engine, there is no water-oil mix signs but it has been kicking out white smoke, any ideas would be a...