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  #1  
Old 06-04-2008, 05:04 AM
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OM606 fuel line seals

Just did the o-rings on the fuel lines. It's not that tough of a job - took me two hours including cleanup and finding tools. I missed one of the o-rings because I didn't realized it went on that banjo bolt, but I don't think there was a leak there. Anyway, some back of the envelope math suggests that I leaked over 4 gallons from the last tankful! That's what happens if you've been running B99 and then suddenly put some B20 in, apparently. If you haven't done these and you're smelling diesel at all, do it. The air bubbles were apparently making for a rougher idle, too, as it smoothed up significantly with all the o-rings done.
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  #2  
Old 06-04-2008, 09:21 AM
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Caution! Blatent plug ahead!

Did you use one of my viton kits or did you use buna o-rings?

If you used the original I would love to hear how long they last. The biodiesel/ULSD causing leaks that seems to be happening can be attributed to one of two things.
  • Buna is fine, the o-rings were just old and needed to be replaced anyway.
  • Buna is not good enough, you need viton.

I don't know which one is correct, but I sell the kits in Viton if people want to upgrade thier seals when they replace them.

Updated Link http://www.fryerpower.com/store/page14.html

-Jim
(PS. Support www.peachparts.com! Buy from them whenever you can, I do. They just don't sell viton seals.)
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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.

Last edited by Jadavis; 10-25-2008 at 08:44 PM.
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  #3  
Old 06-04-2008, 01:58 PM
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Plug away!

I used your Viton kit. The original O-rings were not disintegrating, but had become so square and squashed that they did not really seal any more. I suspect that the Bio swelled them, and going back to B20 let them shrink and start leaking. The biggest leak was behind the shut-off valve. I was amazed that gallons leaked without making a huge pool on the ground or anything like that.

I bought the Viton kit even if the Buna would have lasted well, just because it was so much cheaper than buying all the fuel lines. They look like they're original, but seemed in fine shape apart from the o-rings.
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  #4  
Old 10-25-2008, 06:47 PM
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Location: MIll Valley, CA
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Viton Kits ?

What happened to the Viton kits webpage.

Need a set for a 1999 E300D.

Warren C.
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  #5  
Old 10-25-2008, 07:50 PM
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Looks like it is on pg 14 now. http://www.fryerpower.com/store/page14.html
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Terry Allison
N. Calif. & S. of Key West

09' E320 Bluetec 77k
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  #6  
Old 10-25-2008, 08:44 PM
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Quote:
Originally Posted by TMAllison View Post
Looks like it is on pg 14 now. http://www.fryerpower.com/store/page14.html
Good catch!

I updated the link in my earlier post.

-Jim
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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.
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  #7  
Old 11-05-2008, 08:26 PM
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Jim,

Got the seals....now I need I diagram to show where all the different sizes go....would be nice if that came with the seals.

Is there one online somewhere?

(seems I asked this once before...and got one but can't seem to find it now in all my saved bookmarks)


Warren C.
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  #8  
Old 11-05-2008, 09:02 PM
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There is a link over to a russian site off of my website. It has the diagram.

-Jim
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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.
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  #9  
Old 11-05-2008, 09:03 PM
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Location: MIll Valley, CA
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Jim

Found the diagram on your web site.....

After looking at it a while.....still a little confusing where they all go.....

Hope it becomes obvious as I discconect things....lines, etc.


Warren
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