Leaking diesel fuel - Ford Powerstroke Diesel Forum
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post #1 of 25 Old 01-13-2009, 02:26 PM Thread Starter
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Leaking diesel fuel

just changed fuel filter cause o ring was bad and leaking. but with new filter Im still leaking fuel any ideas 2000 f250 7.3 psd???

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post #2 of 25 Old 01-13-2009, 02:28 PM
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Is it leaking from the filter cap or the separator drain valve?

Steve

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post #3 of 25 Old 01-13-2009, 02:33 PM
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I just changed my damnd separator valve today... sucked! it drips a tad bit every once ina while for some odd reason!

2000 F-250 216k- smoke much?


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post #4 of 25 Old 01-13-2009, 02:36 PM
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Quote:
Originally Posted by TenMore View Post
just changed fuel filter cause o ring was bad and leaking. but with new filter Im still leaking fuel any ideas 2000 f250 7.3 psd???
You changed the fuel filter, but what was leaking? The o-ring on the filter cap or the o-rings on the drain valve on the back side of the filter housing? My bet is its the rings on the drain valve. Very common.

Kurt

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post #5 of 25 Old 01-13-2009, 02:37 PM
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yea get you a set off ebay... Dont go to a dealer... they will sell you the whole part for 60 bucks.....

2000 F-250 216k- smoke much?


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post #6 of 25 Old 01-13-2009, 03:00 PM
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There is a thread on here that had the sizes of the valve o-rings I believe they are viton. From what I have read and expirienced ULSD is the culprit cuz it eats the orings.

Steve

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post #7 of 25 Old 01-13-2009, 03:16 PM
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Yes I agree with you!

2000 F-250 216k- smoke much?


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post #8 of 25 Old 01-13-2009, 03:33 PM
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Here's a link to Guzzle Welcome to guzzle's PSD Fuel Filter Drain Valve Repair Web Page

Steve

2002 7.3L F350 Lariat 4X4 CC LWB
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post #9 of 25 Old 01-13-2009, 04:00 PM Thread Starter
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Quote:
Originally Posted by gygers View Post
Is it leaking from the filter cap or the separator drain valve?
its not leaking from around the cap like it has in the past. No fuel on the filter housing or in the valley ontop the motor
it is all over the the undercarrage took it to the car wash to clean it good maybe now i will be able to see where it is coming from if its not the seperator what than???

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post #10 of 25 Old 01-14-2009, 03:46 AM
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Quote:
Originally Posted by TenMore View Post
its not leaking from around the cap like it has in the past. No fuel on the filter housing or in the valley ontop the motor
it is all over the the undercarrage took it to the car wash to clean it good maybe now i will be able to see where it is coming from if its not the seperator what than???
I'll bet you a case of beer its leaking from the drain valve. There is a little petcok on the back of the filter housing, held on with 4 screws. Remove it and on the inside of the valve you will see 2 small o-rings, these are your problem and need to be replaced. The reason you have fuel on the underside of your truck and not in the valley is because the line attached to the drain goes down the front passenger side of the motor and dumps to the ground there.

Kurt

shu873@powerstroke.org

'06 True Blue/Silver 250 crew cab
ARP's, EGR blocked
AFE stg.2, MBRP 4" pipe
Air Dog 150, ITP reg. return
Bulletproof oil bypass system
Banks technicooler
Ride rite air springs in the rear
EGT, boost, and fuel pressure gauges by DiProcol on the pillar

Plus a few other odds and ends...
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