25det r33

[lanta]

hi IM new to owning a det previously owning a de.. I have recently dicovered a leak down the back of my engine block. it seems to be coming from a joiner that conects to water hoses together.. these hoses are about 10mill round. i stuck a mirror down to se the leak its a tiny pin hole next to a joiner. how am i going to get down and in between the firewall and block to to get the hose off and replace it without taking the engine out.. the gap is TINY
..thanks for any help