im loosing coolant from the back of the engine (looks like between the engine and bell housing ) ive fitted new coolant hoses and even by passed the heater matrix. is there a core plug or somthing around there that could go because i cant see any water coming out from around the head and no smoke when running

 

Hi,yes there is a core plug at the back of the block inside the bell housing,that sounds like where it is coming from.
Cheers