Fuel leak under fuel bowl - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 22 (permalink) Old 01-13-2008, 10:57 PM Thread Starter
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Fuel leak under fuel bowl

I have suddenly sprung a significant fuel leak under my fuel bowl. It is dripping off of the wiring harness which passes under the bowl, but I can't see where it is leaking from. I can see that it's not coming from the drain valve, or from the fuel pump hose (or any other hoses you can see without pulling components). Any ideas where to look? It only seems to leak when running, which seems to suggest that it is a pressurized hose.

Thanks,
Michael Pliska

95 F350 CC DRW, ISSPRO Performax gauges, Diamond Eye 3x4" DP & 5" exh, MBRP tip, Baby Swamps & tunes, Trans VB mods, Dunrite TC, Lock-Right, Cal-Tracs
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post #2 of 22 (permalink) Old 01-14-2008, 12:24 AM
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Re: Fuel leak under fuel bowl

Look at the rear of the fuel bowl. There are two wires one for the water in fuel sensor and one for the fuel bowl heater. One of those o-rings could be leaking. Also if you haven't changed the two hoses going between the pump and the fuel bowl they could be cracked and leaking as well. Also there is an o-ring between the fuel bowl assy. and the regulator.

Eric
96 F-350 CC Dually
300/100% B codes, Stealth dual pumps, H2E, BTS trans, ARP head studs, Comp 910 valve springs, Tyrant Tunes
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post #3 of 22 (permalink) Old 01-14-2008, 03:01 AM Thread Starter
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Re: Fuel leak under fuel bowl

After I realized that the heat shield over the fuel pump just snapped out of place, I could see the leak area much better. It is the fuel filter restriction sensor, leaking from the body of the sensor. Anyone know if this is only used for the warning light? In other words, can I remove it and replace it with a pipe plug for the moment?

I should have guessed it was this, since this sensor started intermittently turning the fuel filter warning light on (when I had a fresh fuel filter in) a few months ago.

It looks like my fuel pump hoses are getting a bit old and cracked. Are they just 5/16" fuel hose (presumably rated for diesel and for fuel injection pressures)? Where's the best place to get the hose?

Thanks,
Michael Pliska

95 F350 CC DRW, ISSPRO Performax gauges, Diamond Eye 3x4" DP & 5" exh, MBRP tip, Baby Swamps & tunes, Trans VB mods, Dunrite TC, Lock-Right, Cal-Tracs
99 Silverado race truck
96 F250 RCLB, bone stock
00 Jetta TDI, Kerma Tunes, Der Chimera Stg 3 clutch
73 & 74 Vega race cars, 92 GMC Typhoon, 73 Chevy Blazer with Pontiac 400, 73 Trans-Am 455
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post #4 of 22 (permalink) Old 01-14-2008, 03:32 AM
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Re: Fuel leak under fuel bowl

Most guys throw a plug in there. I just did it to my in laws 97. The Gates 30R9 multifuel hose is rated for all of the diesels/bios and will work just fine. Grab about a foot of the 3/8 and 5/16" at Baxter's and you're good to go!

Mike

2000 F250 CCSB-- GT4294R, 250/100s, Dahl/Fuelab, PHP, scan gauge, stock 17* pump

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post #5 of 22 (permalink) Old 01-14-2008, 03:33 AM
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Re: Fuel leak under fuel bowl

Michael you can replace it with a 1/8 pipe plug. I have a new one of those sensors in the garage. PM me if you want it. I probably have some hose around too. I used the aeroquip blue push lock type hose when I did mine and it worked fine.

Tom

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post #6 of 22 (permalink) Old 01-15-2008, 02:27 PM
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Re: Fuel leak under fuel bowl

Yeah I just fixed my brother's 96 the other night. Put an 1/8 pipe plug with lock tight on it. Fixed it right up. Just be thakful it wasn't your fuel bowl. Been there done that.

1996 F-250 4" Exhaust, Tymar Intake, More Mods Soon
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post #7 of 22 (permalink) Old 01-15-2008, 09:09 PM
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Wink Re: Fuel leak under fuel bowl

My fuel canister had pinholes in the bottom, I repaired it with JB weld (in and out) and no problems any more. Also put a pipe plug and no problems.

F-250 PSD 1996 ext.cab 2WD, Short bed, E4OD.

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post #8 of 22 (permalink) Old 01-16-2008, 01:18 AM
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Re: Fuel leak under fuel bowl

Quote:
Originally Posted by STROKER #1 View Post
My fuel canister had pinholes in the bottom, I repaired it with JB weld (in and out) and no problems any more. Also put a pipe plug and no problems.


If you ever want to put a new fuel bowl in shoot me a PM. I have the stock fuel bowl out of my truck that is in good condition just sitting on the shelf and would love to have the shelf room back. I sold the regulator already but the fuel bowl is still complete. It would be quite reasonable...probably will not buy one cheaper anywhere.

Eric
96 F-350 CC Dually
300/100% B codes, Stealth dual pumps, H2E, BTS trans, ARP head studs, Comp 910 valve springs, Tyrant Tunes
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post #9 of 22 (permalink) Old 01-17-2008, 01:33 AM
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Talking Re: Fuel leak under fuel bowl

PM send

F-250 PSD 1996 ext.cab 2WD, Short bed, E4OD.

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post #10 of 22 (permalink) Old 01-17-2008, 05:10 AM Thread Starter
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Re: Fuel leak under fuel bowl

Well, I am now in the market for a replacement fuel bowl! I managed to split the damn port for the fuel filter sensor, as I was installing the new one. It barely took any torque on the new one (barely finger tight for several turns), when it suddenly split.

Anyone have a fuel bowl for sale? Has anyone tried welding one when the port split? I don't weld aluminum myself, but there is a guy at work who does. Is there any trick to pulling the fuel bowl off?

Thanks,
Michael Pliska

95 F350 CC DRW, ISSPRO Performax gauges, Diamond Eye 3x4" DP & 5" exh, MBRP tip, Baby Swamps & tunes, Trans VB mods, Dunrite TC, Lock-Right, Cal-Tracs
99 Silverado race truck
96 F250 RCLB, bone stock
00 Jetta TDI, Kerma Tunes, Der Chimera Stg 3 clutch
73 & 74 Vega race cars, 92 GMC Typhoon, 73 Chevy Blazer with Pontiac 400, 73 Trans-Am 455
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