I just replaced my injectors and both fuel filters. I filled up the large spin-on filter with diesel and installed it. I cracked loose the banjo bolt on the housing at the line that goes to the injection pump and pumped the primer pump until fuel was flowing out of it, then I tightened the banjo bolt.

Then I cracked loose the injector lines and cranked several times at wide open throttle until they were all soaked with fuel, then tightened up the lines.

The car then started right up and ran fine. But, I noticed that the large top bolt on the fuel filter housing was seeping. So, I cranked it down snug and it stopped. But, am I going to have to bleed the fuel system again since there was fuel leaking out of the top bolt? I hate bleeding the system and getting biodiesel all over my engine, which I have to immediately wash off with our hard Phoenix hose water.

If there is air in the system, will it bleed itself out over time, or will it always be there causing problems?

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DON'T MESS WITH MY MERCEDES!


1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles