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Diesel Smell post....(another one)

 
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Old 01-04-2008, 01:29 AM
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Diesel Smell post....(another one)

I have read through quite a few posts about changing out the O-rings in the seperator valve but have not found anything with pics to help make it more clear to me, (first diesel). I am looking for this because the other day, one of my co-workers walked by my truck about an hour after I had parked it and he said he could smell diesel fuel from about 6 ft away. I went out another hour later and could barely smell it and only on the passenger/front and front of the truck. I am assuming that it is this o-ring issue, but just want to be sure. On occasin, I get the smell inside the cab but it clears up pretty quick when I head down the road and only when i have let it sit to warm up in the mornings. Any thoughts ?
 
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Old 01-04-2008, 03:27 AM
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Here's a link to the o-ring fix, with pictures and a write up. http://home.centurytel.net/sabre/drainvalve.html

Also here is a link for alot of useful info you might need in the future. It was made up from some very fine guy's on this site. That is where the o-ring leak fix came from.
http://7point3.com/Mods.aspx
 

Last edited by 670johndeere; 01-04-2008 at 03:33 AM.
  #3  
Old 01-04-2008, 04:37 AM
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another place to look for a leak is right under the down pipe where the fuel line goes into the head...i have the IH dealer part# for that if you need it..
 
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Old 01-04-2008, 09:27 AM
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Thanks for the link!! I just ordered a set of rings. Now to check on the downpipe.
 
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Old 01-04-2008, 09:27 AM
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When my o-rings were leaking and there was fuel in my valley, I could actually get a whiff of fuel in the cab on startup, then it went away.
It is an easy fix, shouldn't take you more than 30min, depending on how many parts you drop in the valley and have to fish out!
 
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Old 01-04-2008, 09:59 AM
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LOL Yea I was thinking about that. I am going to get one of those pickup magnets for the metal parts and a pickup tool with the little grabber on the end.
 
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Old 01-04-2008, 11:30 AM
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Originally Posted by BillyBob69
I have read through quite a few posts about changing out the O-rings in the seperator valve but have not found anything with pics to help make it more clear to me, (first diesel). I am looking for this because the other day, one of my co-workers walked by my truck about an hour after I had parked it and he said he could smell diesel fuel from about 6 ft away. I went out another hour later and could barely smell it and only on the passenger/front and front of the truck. I am assuming that it is this o-ring issue, but just want to be sure. On occasin, I get the smell inside the cab but it clears up pretty quick when I head down the road and only when i have let it sit to warm up in the mornings. Any thoughts ?
Great question.......I was getting ready to post this EXACT same question. GOOD JOB.
 
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Old 01-04-2008, 12:02 PM
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Now that the parts have been ordered, we will see if I can follow directions good enough to to break my truck.
 
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Old 01-04-2008, 12:05 PM
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I had a similar problem once where I could smell diesel. Turned out that fuel filter cap was weeping a little while the truck was running. The fuel was running down the sides of the fuel bowl and puddling in the valley. To find it I had to start the truck and then closely watch the fuel bowl assembly and I saw it weeping.
 
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Old 01-04-2008, 02:15 PM
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I heard from a friend that when the fuel filter is in need of replacing, it will smell like diesel inside the cab. Might want to check that.
 
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Old 01-04-2008, 05:09 PM
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Good idea...Since my o-rings aren't in the mail til tomorrow, I will pick up a filter before then so I have it ready to replace. Now that is the water/fuel seperator filter right? Or is there another fuel filter in the same area?
 
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Old 01-04-2008, 05:16 PM
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Originally Posted by BillyBob69
Good idea...Since my o-rings aren't in the mail til tomorrow, I will pick up a filter before then so I have it ready to replace. Now that is the water/fuel seperator filter right? Or is there another fuel filter in the same area?
if you have no mods..then there is one filter in the bowl...nothing else..
 
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Old 01-04-2008, 05:25 PM
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Nope...No mods....YET!!!! I just about ordered my DP-Tuner but then my wife caught me.... She kept trying to give me some BS reason not to order it then she fianally caved....My B-Day is coming up and she is working with my brother to get me the tuner. So I will behave and wait...and chewing my nails until I get it. Can't wait!
 
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Old 01-04-2008, 05:26 PM
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Oops double post
 
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Old 01-05-2008, 12:17 AM
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Billybob, when you put that new filter in make sure to O ring is put in correctly. Go to Guzzle's site for photoes. It almost seems like it should go the other way, but the bevel goes up. Also... have you recently started using BioD? My O rings failed "shortly" after I started using it and other have said the same. On advise from here I ordered Viton O rings which are supposed to hold up better... no problems since and it was an easy job.
 

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