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Fuel smell when stopping/turning??

 
  #1  
Old 08-10-2013, 09:40 PM
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Wink Fuel smell when stopping/turning??

I am getting the smell of raw fuel through my a/c vents on "normal" (first Bio-Diesel that I hadn't run in 6 tanks-weird) and now its regular Diesel but only when I stop.

I do get the smell on cornering too, but not as strong.

It all clears up real fast when I get going again, haven't seen anything on the ground yet, I DID replace the "O" rings in the fuel valve a few years ago with the good ones-is it possible that THEY are leaking again?

I'm going to check things out in the AM, but would anyone have a guess as to where I might start? Thanks!
 
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Old 08-10-2013, 11:06 PM
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You may check the steel fuel line as well. Normal lets in fresh air or in your case, diesel air.
 
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Old 08-11-2013, 08:25 PM
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I think my fuel drain valve is seeping again, I'm a little surprised because I installed the good "O" rings before and figured I was done with that darn thing for good.

Where are "we" getting the fuel valve rebuild "kits" nowadays?
 
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Old 08-11-2013, 09:05 PM
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  #5  
Old 08-12-2013, 03:47 PM
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Thanks! I went ahead and ordered a whole new valve WITH the BLUE "O" rings, I just haven't got the time right now to try and rebuild mine and not be prepaired if something were to go wrong.
 
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Old 08-13-2013, 07:48 AM
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Originally Posted by Supercab View Post
Thanks! I went ahead and ordered a whole new valve WITH the BLUE "O" rings, I just haven't got the time right now to try and rebuild mine and not be prepaired if something were to go wrong.

You probably did not have to order anything. Had the same problem after I had installed an overhaul kit a year or so later. If it has been awhile since you installed the 'good' o-rings..... check to see that the screws are good and tight. You may find one that is a little loose. When I found one that was a little backed off, I removed the whole valve and wiped down the o-rings clean (a little crud was building up in the bottom of the bowl) and re installed. No problems and no leaks many months later.
 
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Old 08-13-2013, 08:48 AM
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Gotcha! I never thought to try that. but anyway my new valve should be here on Wednesday!
I'm gonna just replace the whole darn thing (I ordered the one with the BLUE "O" rings) I don't think the Blue ones were available some 4 years ago when I ordered and got the Brownish Viton ones.....I wonder why they don't make the 3rd "O"ring in the Blue Flourosilicone stuff?? seems that if they did the valve would be pretty much bullet proof!

-You guys think the ULSD (with DieselKleen added each tank) OR COMMERCIALLY MADE B-99.9 made from Beef Tallow is worse on the seals and such in the uel system?
 
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Old 09-14-2013, 07:50 PM
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-Guys, I'm afraid I'm resurrecting this thread because evedentally I still have some very light seepage.

I cleaned everything well a month or so ago when I completely replaced my valve AND used the BLUE "O" rings......I've still got a leak-I can run my hand under the valve and it gets wet with fuel.......guess I'm going to back off the screws just a tad and then re-tighten.....
 
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Old 09-15-2013, 07:53 AM
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i had the same problem a few months ago with my 02. changed all oring's, and still had a slight leak. nothing big, but you could smell it and the engine was always "Mist" covered.
i thought it was the fuel filter drain and went to ford to get a new one. as i pulled in the parking lot, the steel line behind the alternator split and covered the truck and parking lot with fuel.

they ended up replacing the supply line, and both lines going to the fuel rail.
all three were rubbed an leaking, but the front line broke first.
 
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Old 09-15-2013, 01:04 PM
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Like he says check your lines too. And the fittings. The one on the passenger side head likes to degrade because of the heat from the turbo.

Also, diesel orings sells this thread sealant that's Diesel rated. You might pick up a tube of that. One of my screws on my drain valve is stripped a little. It's actually the fuel bowl. I used the sealant on that screw and tightened it as much as i could. No leaks since.
 
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Old 09-19-2013, 08:00 AM
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Thanks Guys! -headed out to take a look......my engine is not covered in fuel mist, its all in the valley......nothing bad just a neussence and the smell inside the cab.
 
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Old 09-19-2013, 01:49 PM
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I found my leak!! It was my fuel filter top that was just a tad loose! I snugged it up good and all is good now!

Thanks Again!-Rick
 
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Old 09-19-2013, 02:01 PM
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good deal!!! that was a much cheaper fix than i had.
 
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Old 09-21-2013, 06:09 AM
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Yea, THIS was a Purolator filter which I hadn't used before-I had always used Raycors.

Don't think it was the filters fault though......from reading many posts about folks having lots of trouble getting the filters loose I generally don't give em all I've got when tightening them up.

I recently ordered a new separate top and filters, so next change I'll put in that setup...
 
 
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