Lister Diesel 2-cylinder

Tramway Guy

Well-known Member
Volunteered to repair a ST2 Lister Air-cooled Diesel, built in mid-1980's. Complaint was leaking from rear crankshaft seal. Looks like it has Fuel in the oil. I removed the valve covers and the side covers, and pressurized the fuel lines but can see no leaks anywhere. Any place else that fuel can get into the crankcase? I also looked at the fuel pump (camshaft operated) and no leak there, either.
Did not run it. But the return lines at the top looks like bird-poop brazing all over. But no visible leaks that I can find there. Possibly when it gets warm it will leak? Am I missing anywhere else? I don't think the high-pressure lines are the leak because if they were, it would miss, I would think.
 
If still looking for info, search smokstak for poster who posts as "listerdiesel"; he should be able to help. Good luck.
 
if the fuel line to the injector is ok the only one other place for fuel to leak in is though the fuel injection pumps running off the cam shaft or a very dribbley injector.
 

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