phil take the oilfeed off at the turbo one bolt through a banjo fitting dont looose the copper washers remove the downpipe and if i remember right there is a support bracket for the turbo remove fannymold nuts bobs yr uncle change the oil fella /unless the engines been thrashed or to the moon mileage wise this is what killed yr turbo done in a morning the two bolts i think are oil return get underneath it will explain itself