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1994.5 - 1997 7.3L Power Stroke Diesel  

Fuel leak

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Old May 9, 2018 | 05:29 AM
  #1  
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Fuel leak

So I’m in the process of chasing a fuel leak, I’ve got the fuel bowl out and will order new hoses and o rings to rebuild that, I don’t think it’s the problem though. Next going to replace the fuel pump because I believe it to be coming from the weep hole. My question is while I’m in there should I go ahead and replace the o rings on the banjo bolt? Also I see one of the bolts on the back side of the pump, where are the other banjo bolts located?
 
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Old May 9, 2018 | 08:03 AM
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There are a total of 5 banjo bolts, one on the pump and the other four on the heads. The one on the pump should be resealed, the ones on the heads you can do if you want, but it wouldn't hurt to leave them if you don't have a leak.
 
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Old May 9, 2018 | 08:10 AM
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Originally Posted by Jarrett Campbell
There are a total of 5 banjo bolts, one on the pump and the other four on the heads. The one on the pump should be resealed, the ones on the heads you can do if you want, but it wouldn't hurt to leave them if you don't have a leak.
Jarrett I could not get the little rubber piece that goes on the fuel lines at the back of the head. It must be available down there.
 
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Old May 9, 2018 | 08:44 AM
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These are the ones for the heads

https://www.strictlydiesel.com/p-275...-bolt-kit.aspx

This is the pump with the two big banjo bolt gaskets

https://www.strictlydiesel.com/p-356...-apm61067.aspx

Nate, I'm not sure what rubber part that is in the back of the heads? It's been a while since I have messed with the stock fuel system, but I just remember hard lines going from the pump to the back of the heads. The rubber lines are on the front of the heads and between the pump and the fuel filter assembly.
 
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Old May 9, 2018 | 09:05 AM
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@Jarrett. The hard lines have a little rubber piece in side the nut that seals the line to the fitting. It is a very specific type material in a special size that is hard to find. I found one in all of Canada through out industrial supplier. At the time I was going to run the Banjo bolt with an adapter for efuel but didn't because I wasn't able to reseal the hard line to the head. Any way something to be aware of as that is where mine was leaking and it would run down the valley and out the back through the bell housing.
 
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Old May 9, 2018 | 09:06 AM
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The special sleeve is where my system failed.
 
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Old May 9, 2018 | 10:51 AM
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Oh, now I understand.

Looks like this set comes with the "special sleeve"

https://www.ebay.com/itm/94-95-Ford-...4AAOSw4CFY3sb4
 
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Old May 10, 2018 | 12:56 PM
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Originally Posted by nateairman


The special sleeve is where my system failed.
Originally Posted by Jarrett Campbell
Oh, now I understand.

Looks like this set comes with the "special sleeve"

https://www.ebay.com/itm/94-95-Ford-...4AAOSw4CFY3sb4
Fuel Line Seals (seals lines at head inlet fittings)(Ford) F4TZ-9C387-A (94-97) (International) 1815734C1Parker 60VLV-4 Viton sleeves. 7.3L engine fuel rail connections and fuel bowl. 1/4" fuel line gaskets.Viton seals at ends of fuel lines. "vibra-lok" o-ring tubing sealsF4TZ-9C387-Ahttp://www.riffraffdiesel.com/parker...eeve-1-4-inch/
 
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