I have a 2001 24v 5spd and just bought it a few days ago...I noticed a fuel leak and found it to be the injection lin in the very back going into the head...how do these seal because tightening the but didnt seam to fix it

 

There are copper crush washers on the fitting its probably broke or not there it probably just had the head gasket changed

 

Ended up being an o ring on the fuel tube

 

Sweet glad to hear diesel aint cheap got to save every drop