i fixed it !!
I am so smart......I am so smart .....Smrt ...I mean... smat...Doh
i thought i wa going to be like a humphrey noid (thus me and brown trousers)and in a million bits but theres actually feck all to the ego noids - the leak was just the gasket on the cap of the front of the noid the bit where the donught put thegrip screws in it's just the electronic part of the sol nothing to do with airflow at all -so to speak
i looked in th emanual but couldnt find the tear down but i sussed it out after spending 5 mins on the carpet crying as i looked for the little metal clip that springs off