wierd leak - Ford Powerstroke Diesel Forum
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Old 05-10-2011, 04:49 PM
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wierd leak

on my 02 i have a fuel leak or oil leak and was wondering if anyone has had this problem every time my truck shifts into overdrive the bottom of the hood and right side of the motor is soaked in what looks like fuel but it doesent really have a smell to it so im not sure exactly what it is and it doesent do it at idle or any other time but when it shifts to od. so any ideas or tips would be great thanks
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Old 05-15-2011, 04:48 PM
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I had a similar problem with an '02 I just purchased this week, but mine did it at idle in the driveway. Found it was a fuel leak coming from the fuel filter outlet tube that's designed to drain water out of the fuel filter housing when your 'water in fuel' indicator light comes on. There is a little yellow handle on the right rear side of the fuel filter housing (left side when viewing from the front of the truck). It appeared to have walked partially open during operation, when I tried to moved it to the completely off position, it would kinda creep back...so...I built a bracket and hooked a small spring to the hole in the yellow handle to keep it from 'walking' open on its own...only 25 miles with this so far, we'll see if that fixes it for good.
Take the 'Powerstroke' plastic cover off the front of your engine so you can see the fuel filter at the front of the motor...look at the back side of the housing down low for the little yellow handle and check its position. Closed should be attained by moving the lever towards the passenger side of the truck...hope this helps.
Also, diesel will appear fairly clear on your finger, oil will be brownish or black.
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Old 05-15-2011, 06:24 PM
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water seperator o-ring or the internal ball valve will wear out and cause fuel to leak even with the drain closed. usually that leaks into the right side fenderwell area though

also the right side fuel delivery line can rub through near the back of the engine on the clamp wrap
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