injector pump leaking - Dodge Cummins Diesel Forum

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post #1 of 16 (permalink) Old 01-09-2010, 11:49 PM Thread Starter
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injector pump leaking

So my big question is .....Who is the cheapest to rebuild my Injector pump???? I am willing to send it through the mail in order to save some bucks........The local injector shop wants 750.00 to 850.00 to rebuild or 1000.00 to swap......It is leaking from the very front of the pump and is doing like a drip a second I have 243,000 miles on her so she has done well...lol......

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post #2 of 16 (permalink) Old 01-10-2010, 01:01 PM Thread Starter
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How to repair a leaking Governor Shaft and Fuel Screw

So I ended up finding some good info and I am going to do the job myself.......Here is a link to my findings......





http://www.dieseltruckresource.com/d....html?t=239076
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post #3 of 16 (permalink) Old 01-10-2010, 05:31 PM
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i'll say one thing... jim lane is a god! if that write-up doesn't help you get through it, i dunno what can. i've had an injection shop near me quote me $400-$450 for a rebuild. it'd pretty much be them resealing it. that price wouldn't include hard parts if any were needed of course.

- '90 D350 LE Cab & Chassis -
- 366 Spring - M3 Pin - KSB Spacer - 4x.014s - Piston LP - I/C'd - Fluidampr - HTT Super 40/35 w/ WG 14cm - 4" Exh. - NV5600 - Con OFE - Ultralite II 60psi Boost & Pyro -
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post #4 of 16 (permalink) Old 01-10-2010, 08:08 PM
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yeah thats an easy fix. are you sure thats where the leak is?

99 exlb 3500 auto 3.55 53 block unknown miles, stock other than bhaf and 4" exhaust
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post #5 of 16 (permalink) Old 01-11-2010, 12:41 AM Thread Starter
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:)

Yup.......I sprayed a little brake cleaner on it and cleaned the fuel residue up real good. After it dried I started it up and it began bleeding fuel from the middle to outboard side only. I am crossing my fingers that this goes well. This seems like a pretty easy job for the most part and the only thing that I am really paranoid of at this point is dropping the shaft key or something into the gear box. I will make sure I use a shop towel on the nut/split washer side and prayers for the other....lol....Thanks again for you help guys.....

~Bryan
~~1993 Stock 5.9...243,000 USgear exhaust braked 22 miles to the gallon Beast!~~
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post #6 of 16 (permalink) Old 01-11-2010, 11:05 AM
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make sure you lock the pump before you take it off if your guna take it off.

99 exlb 3500 auto 3.55 53 block unknown miles, stock other than bhaf and 4" exhaust
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post #7 of 16 (permalink) Old 01-12-2010, 10:11 PM Thread Starter
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Thank you so much for mentioning to "lock the pump" I was going over the procedure in my head on the removal process and I was wondering about the "TAB" that was removed from the linkage in the video. So......to lock the pump.....All I have to do is remove the tab and tighten the bolt after all is set in #1 TDC???????????

Thanks again......
Bryan
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post #8 of 16 (permalink) Old 01-12-2010, 10:53 PM
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that is correct! just go snug. it doesn't have to be white-knuckle-tight

- '90 D350 LE Cab & Chassis -
- 366 Spring - M3 Pin - KSB Spacer - 4x.014s - Piston LP - I/C'd - Fluidampr - HTT Super 40/35 w/ WG 14cm - 4" Exh. - NV5600 - Con OFE - Ultralite II 60psi Boost & Pyro -
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post #9 of 16 (permalink) Old 01-12-2010, 11:28 PM
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yeah it does have to be snug though. at #1 tdc loosen the bolt and the tab out and snug the bolt.

99 exlb 3500 auto 3.55 53 block unknown miles, stock other than bhaf and 4" exhaust
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post #10 of 16 (permalink) Old 01-12-2010, 11:50 PM Thread Starter
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Roger that guys....Thanks for the great advice......I am waiting for my gasket kit and special tools to come in through the mail and I'll be rocking!!!!!

Vr,
Bryan
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post #11 of 16 (permalink) Old 01-14-2010, 01:15 AM
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with this being your first pump.... here are a couple pointers/tips...

If you bought a gasket set from napa or other parts store, the kit doesnt come with a new control shaft bushing. You will need to buy that separate... the old one is brass if it has never been replaced and a new one is steel.

When your putting the pump back together, keep in mind that vaseline is your friend when putting springs, hydraulic manifold, etc back together. Also, make sure that you mark things during dis assembly so you know where they go begin to reassemble.

Good Luck

92 Dodge D250
"If women don't find you handsome, they should at least find you handy."
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post #12 of 16 (permalink) Old 01-14-2010, 03:53 PM
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be sure to index the throttle shaft in the same position it was before you took it apart. here's where mine was in the stock position...


- '90 D350 LE Cab & Chassis -
- 366 Spring - M3 Pin - KSB Spacer - 4x.014s - Piston LP - I/C'd - Fluidampr - HTT Super 40/35 w/ WG 14cm - 4" Exh. - NV5600 - Con OFE - Ultralite II 60psi Boost & Pyro -
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