i have an 84 300dt and the first 3 injectors i can see pools of feul around them.the first three (return lines?)going from injector to another injector are dark and oily and the two closest to the firewall are dry.my question is what size hose or what type of hose would work best to replace the lines with?
thanks

 

Just go to your local MB dealer and buy some of the hose. It's slightly smaller than other available hoses (although similar to vacuum hose) and is also fuel resistant. It simply pushes on to the barbs on the injectors and is an easy replacement. You'll need about 3 ft exactly. I just did my car last week after springing a gusher on one and it only cost me about $13. for hose and fifteen minutes of time.

 

these are the injector return lines are they not?i am new to diesel and havent worked on one till this year though i have tinked with gasoline engines since i was a teen.i have several manuals and am learning something every day.this site has been a good learning expereience too.i just want to have the terminology right when i go to order the parts.
thank you.

 

yes, they are the return lines.