Well i pressured it and of all things, the rubber that goes on the thermostat wasnt protruding the recess so wasnt sealing properly. I tell you those water pumps are a pig to change and probably wasnt the problem. thanks for your reply, its all good fun. Pressured it again and nothing is appearing to leak (air line with a rubber bung) i will give it a run tomorrow to make sure thats resolved. Its a night mare as i drive back to uni on Thursday and upgraded from a classic mini to overcome the reliable problems. The parents arent happy that i have bought another car that i am under the bonnet of