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1996 7.3 leaking diesel

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Old 12-29-2014, 10:25 AM
cgolden9 cgolden9 is offline
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1996 7.3 leaking diesel

Hello. I need a little help. I just recently replaced my fuel lift pump on my 1996 F350 diesel. After about a day of driving with no problems, it started leaking from the valve stem looking thing on the fuel/water seperater. I went to the dealership and they said that little part is discontinued and that I would have to order the whole assembly for $400. Does anyone know of a cheap way to stop this leak? Or rig it to where it won't leak? It is not the part that the arrow is pointing to. It's the part below it that looks like a tire valve. Thanks
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Old 12-29-2014, 10:44 AM
glovemeister glovemeister is offline
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Fuel Restriction Sensor. Common Leak.

Can either delete with plug or replace sensor, part number E8TZ-9S283-A.
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Old 12-29-2014, 10:53 AM
rockop rockop is offline
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I plugged mine.
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Old 12-29-2014, 03:10 PM
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Its not the part the arrow is pointing too!! By your description it is leaking from the Schrader valve where you get fuel pressure readings manually, I would try to lightly snug it or pull it and wrap it with diesel rated tape and re install carefully!! You don't wanna crack the housing!
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Old 12-29-2014, 03:29 PM
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That schrader valve is literally like the valve stem on your tires. Check the "push-pin" under the cap to verify it is properly tightened. If it is, do as bryanlindborgh600 suggested.

Unless the housing is cracked or the schrader valve is cross-threaded, there isn't much that would cause a leak there.

Edit:
Question to those that plug this item...How do you check your fuel pressure at idle to verify pressure is in spec (40-80 PSI)?
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Old 12-31-2014, 02:46 PM
540milotalon 540milotalon is offline
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If the tape doesn't work and
/or the threads are damaged I would repair with an epoxy rated for fuel and drill (very carefully) and re tap.
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'96 250 4x4 5 spd,Ext.cab, several mods
'95 350 2X4 5 spd, similar to above mods
'90-250 4x4 w/'93 7.3 IDI straight pipe K&N,
'89-250 4x4 7.3 IDI straight pipe K&N,300k+
'87-250 4x4 6.9 IDI w/Banks Turbo,GW 4 speed
'83F-350 2x4 6.9 IDI K&N, with 125k on 2/26/11
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Old 01-01-2015, 09:28 AM
fordman67 fordman67 is online now
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If the valve part is leaking you can replace the inner core with one from a tire stem.they are the same.I doubt the leak is from where it goes in since that is npt thread. Just get a tire core removal tool and a valve stem from the parts store and you are set.no big deal.
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Old 01-02-2015, 10:26 PM
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I used a tire stem valve as well. No more leaks for me. Literally the exact same thing.
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1994 F350 Crew cab dually
7.3 Powerstroke, ZF-5
Current mods: T500, Rosewood 160/30's, Hydro-boost, 120v IDM, 6637 intake
Mods in the works: Inter-cooler, 3" intake plenums, SD GTP38r, MarkFuga E-fuel
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Old 01-03-2015, 09:54 AM
540milotalon 540milotalon is offline
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Always check the simple things first. How often we overlook that rule?
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'96 250 4x4 5 spd,Ext.cab, several mods
'95 350 2X4 5 spd, similar to above mods
'90-250 4x4 w/'93 7.3 IDI straight pipe K&N,
'89-250 4x4 7.3 IDI straight pipe K&N,300k+
'87-250 4x4 6.9 IDI w/Banks Turbo,GW 4 speed
'83F-350 2x4 6.9 IDI K&N, with 125k on 2/26/11
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Old 01-03-2015, 02:40 PM
mapachoo mapachoo is offline
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If you actually need the schrader valve diesel o rings is a forum sponsor and carries the part here's the number
#13-005 Schrader valve - Fuel Injection rated 1/8 MNPT
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Old 01-03-2015, 04:24 PM
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Quote:
Originally Posted by 540milotalon View Post
Always check the simple things first. How often we overlook that rule?
Isn't that the curse of learning how to work on vehicles? We always think it's something much more complicated than it is because we know how to fix those things, and just blow right past the super easy things because in our mind, "it can't be that simple..."
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1994 F350 Crew cab dually
7.3 Powerstroke, ZF-5
Current mods: T500, Rosewood 160/30's, Hydro-boost, 120v IDM, 6637 intake
Mods in the works: Inter-cooler, 3" intake plenums, SD GTP38r, MarkFuga E-fuel
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Old 01-03-2015, 04:24 PM
 
 
 
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