The hole isnt visible atal and even when i squeezed the pipes which were really soft, nothing oozed out! Whenever i put the water in through the top of the rad it came straight out the arse tho!lol
Thanks for all the advice and GlanzaAuA you are right, there must have been a blockage somewhere to cause the build up of pressure!
Waiting on reply for a new rad & hoses to be safe, then hafta get coolant aswell an tax nxt wk!lol..No new exhaust and leads 4 me