1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

KSB solenoid leaking fuel

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Old 10-28-2010, 08:22 PM
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Default KSB solenoid leaking fuel

Well its not really the solenoid leaking its the brass piece in the end which I think is a check valve but I was wondering if it can be taken out and if it has an oring seal that needs to be replaced?Any help would be appreciated.
 
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Old 10-30-2010, 10:32 AM
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Does anyone know what im talking about?
 
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Old 10-31-2010, 12:46 PM
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Can anyone help me with this problem?
 
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Old 11-06-2010, 10:46 PM
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The fuel blow-by thing? Under where the banjo bolt is on the back of the pump??
 
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Old 11-07-2010, 10:24 PM
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If you are looking at the pump from the front of the motor its on the side closest to the frame down closer to the bottom it has a selonoid just like the fuel shutoff selonoid and on the other end is a check valve it advances the timing during coldstarts.
 
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Old 11-08-2010, 06:01 PM
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sorry to hijack thread but what is this. I dont think mine is hooked up ( a check valve it advances the timing during coldstarts )
 
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Old 11-08-2010, 09:44 PM
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Could you get a pictue of where it's leaking exactly?

crewcab59: it's on the right side (if your looking at the engine strait on) of the pump below the manual shut-off switch. It has one wire that should be connected and one fuel line. I think it's a fuel line haha. You can hear a difference in the engine if you unplug it right after start-up
 
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Old 11-08-2010, 09:45 PM
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yeah my check valve is leaking fuel not the solenoid has anyone else had this problem?
 
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Old 11-19-2010, 07:38 PM
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i have fuel coming out of the black thing under bango bolt and i took fuel pin out and there is fuel in there
 
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Old 11-20-2010, 01:55 AM
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To fix the leak your gona need to take a day and replace a seal in the top of your IP. If you don't already have a 3200RPM spring in your pump now would be a good time to do so. There only like $20 at max and make a world of difference! You're gona need the rebuild kit for the pump also. It's like $20 as well. Heres how to fix that seal. Fix That Leaking Fuel Pin - Midwest Diesel Connection
 
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