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Old 04-02-2008, 01:17 PM   #1
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Re: Injector Pump Leak

Hey I got the same bus. Bosch makes it. I just had mine rebuilt. And takin it in and out twice. Where's it leaking out of?
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Old 04-02-2008, 05:55 PM   #2
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Re: Injector Pump Leak


Start by deciding if you have a rotary or an inline pump. You'll know by just looking at it.

Could it be your return fuel hose? On inline pumps, the return hose is VERY suceptible to cracking from all the heat in that area.
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Old 04-03-2008, 12:56 AM   #3
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Re: Injector Pump Leak


That's a rotary pump. Those were also used on Dodge pickups up to around 1994, so you might want to take a look at the Dodge Cummins Diesel forum. Tons of information about all years of the Cummins 5.9 there. http://www.cumminsforum.com/forum/
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Old 04-03-2008, 08:12 PM   #4
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Re: Injector Pump Leak

I've taken that pump off of that motor 2 times now. What a B*tch! It's not as hard on the reg dodge motors because there's no air compressor. On school buses there is. They make a two special tools for the job. A Curved 13mm wrench to reach around to the bottom nut/stud holding it to the front cover. Second is an engine barring tool. It allows you to turn the motor with a socket wrench. It's tedious and a pain but doable. As far as replacing the gasket, you need to call a pump place. These things are timed to the motor so any mis adjustment of it's cycle will throw it off. It's a pain. Oh yeah take a cushion or something and put it on the motor when your dinking around. Never had to many bruises on my chest before. Good luck
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Old 04-06-2008, 11:22 PM   #5
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Re: Injector Pump Leak

that pump thing looks expensive....... yikes
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Old 04-08-2008, 09:30 AM   #6
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Re: Injector Pump Leak

might be a seal instead of a gasket, might have a professional look at it. sportyrick
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Old 04-08-2008, 09:30 AM   #7
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Re: Injector Pump Leak

might be a seal instead of a gasket, might have a professional look at it. sportyrick
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Old 04-08-2008, 02:43 PM   #8
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Re: Injector Pump Leak


Quote:
He also said I should not attempt to do this myself.
From what little I have learned over the years, I'm inclined to agree.
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Old 04-08-2008, 09:24 PM   #9
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Re: Injector Pump Leak

pay the 350 save the greif if it messes up again they will fix it under their warranty....do they have one?
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Old 04-09-2008, 10:54 AM   #10
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Re: Injector Pump Leak

Ask your local pump guy if you can borrow the curved wench and engine barring tool. It will save you some frustration!
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