Another handy Item to have is a Battery Charger that has a Starter circuit in it. I sill have My Harbor Freight one. I cannot remember if it has a150 or a 200 amp Starting circuit.

I had a US made Sears Battery Charger that had a 50 amp Starter Circuit and I say had because I ran over it about 2 Months ago.

Anyway, both have saved a lot of Battery life.

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84 300D, 82 Volvo 244Gl Diesel

Should have looked earlier. Just took s break due to battery. Headed back to garage.


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I've been wondering if these 210 diesels could be primed by removing the fuel return line from behind the filter housing and sucking the air out with a mity vac. I have just installed a new starter and dislike cranking the beejeebers out of the new one just to bleed the fuel line of air. This is the first diesel I have ever owned without a manual fuel pump for priming.

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'97 E 300 D

I do it this way. After finishing repairs I will take a MityVac and set it up to be allow me to put a vacuum on the fuel return line from the spin on filter. Once this is full then all you have left is to get it to the injectors.

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Jim

I like to install an electric lift pump under the hood the first place the fuel line from the tank shows its self. I can't remember where this is at the moment or if you have to hack into one of the prefab lines. I think though a rubber hose goes to the fuel heater from the tank and you can inline it there. You don't even need to wire it in -- just put aligator clips on it and plug it in when you change filters or need to prime the system. You have to turn the key to on though otherwise the shutoff valve wont let fuel flow.

I'ts always been a mystery to me how Mercedes , with all their luxuries, neglects to put on an electric diesel primer pump. From 2004 on vw put a diesel lift pump in the tank and one on the engine so if the tank one fails you can still drive and you won't even notice it until you change your filter and it is hard to prime. I use this one from autozone : e8012s . It lets fuel flow even if its off. I put an old style mb inline prefilter before it .

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What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius

On this car is the filter pointed up? Do you fill it with diesel manually before installing.

Upon seeing the trick with using the starting feature on my charger, I successfully bleed the injection lines by cracking them at injectors.

On another note, the Chevy duramax has an auto bleeding feature. Anyone know it works? As well, the old ford internationals and a tire style valve stem on the filter housing. You could press the nipple in and crank the air out. They always ended up leaking, and you had to keep a cap on it for this purpose.

This thread helped me with my lifter pump. That thing leaks when I prime it. I have another one, gonna swap. Gonna research this more.

Yes, the spin on type filter should be filled as should the primary filter cavity, and don't forget the o-ring on the primary. The return fitting is behind the filter assembly at the top, passenger side. The fitting also collects return from the injector pump and the injectors. If you remove the fitting and attach the mity vac to the hole it came out of, you should be sucking the air out of the fuel system. I'm not sure of the plumbing but the return must be on the pressure side of the lift pump, likely ahead of the secondary filter. If you can get the air out you will likely not need to mess with the high pressure lines, assuming that you did not run the injector pump dry. I have never needed to on this engine.

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'97 E 300 D