diesel sedimentator cleaning - Defender Source
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  #1  
Old October 4th, 2010, 07:08 PM
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Mike Deery
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Red face diesel sedimentator cleaning

I am looking to drain contaminants from my sedimentator on my 200tdi. Any guidance would be appreciated... Specifically, do I open up the drain nut with the ignition off or does it need the pressure of the pump operating? I have the same question regarding the diesel fuel filter drain valve. Thanks in advance for the help.
Mike
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  #2  
Old October 4th, 2010, 08:54 PM
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sedimentator is where?
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  #3  
Old October 4th, 2010, 09:30 PM
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Matthew
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yea same question, where is the water trap?
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  #4  
Old October 4th, 2010, 09:53 PM
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Mike Deery
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diesel sedimentator cleaning

Sedimentator is on bulkhead near fuel filter, slightly lower.
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  #5  
Old October 5th, 2010, 05:43 AM
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I dont think I have one, is that a big deal?
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  #6  
Old October 5th, 2010, 09:10 AM
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Kevin Buckley
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Your filter sort of does both jobs anyway, no big deal. The sedimentator takes out the twigs and bugs and most of the water, the filter does the fine stuff.
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  #7  
Old October 5th, 2010, 09:26 AM
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Chris Baldewin
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On my truck it's mounted in the right rear wheel well.
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  #8  
Old October 5th, 2010, 10:25 AM
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John B.
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It should be on the right rear wheel well.

Read the workshop manual.................

Unscrew the bolt on the top... Take the bowl off... Clean it... Put back on.
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  #9  
Old October 5th, 2010, 10:30 AM
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Gren Thomas
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Hi Mike your sedimentor should be cleaned with the ign & engine off.

before you start make sure you have new O rings I think there are 3.
drain it then release the bolt on the top & take the bowl off(sedimentor splits in half around the middle seam) and clean it out, on my disco it was 1/2 full with goo.

be carefull when removing the bolt as i have known them to shear esp if they are 1/2 full of goo.!

it should self prime after starting if you havent done the fuel filter at the same time.

after it has been running for a few mins for it to blead out and refill the canister it would be a good time to do the fuel filter as if you have found the sedimenter has goo in it then the filter surely will

same thing goes for the filter but you will have to manually prime & blead the filter after replacing it

regards

Gren

------ Follow up post added October 5th, 2010 03:31 PM ------

beat me to the punch john..;-)
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  #10  
Old October 5th, 2010, 04:36 PM
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Jamie Austin
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And i'd not bother unscrewing that plastic "bung" thing... it'll probably snap... just undo the bolt through the middle and dis-assemble the whole thing... you can clean it out better in pieces anyway.
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  #11  
Old October 5th, 2010, 06:49 PM
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Mike Deery
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cleaning diesel sedimentator

Gren-
What do I have to do regarding manually priming after opening the drain valve on the fuel filter? When I replaced the fuel filter about a year ago, I simply replaced it... no priming. After sputtering for a few seconds, the truck ran like normal.
Mike
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  #12  
Old October 5th, 2010, 08:44 PM
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I usually fill it up the fuel filter with new clean diesel (like filling up the oil filter on the V8s) then screw it on tight and start up. I never notice any sputter there.

For the sedimentor, I put a bucket underneath and take it apart spilling diesel into the bucket. Then I clean everything and reinstall empty. THen start up; and after a little sputter it's back to normal.

Like Gren says, do one at a time, not at the same time. I usually start with the sedimentor, (remove, clean, reinstall, start up until primed). Then do the filter as above.
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  #13  
Old October 5th, 2010, 09:44 PM
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What year did they use sedimentor? My 1983 110 2.5TD doesn't have one.
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  #14  
Old October 5th, 2010, 09:58 PM
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Mike Deery
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Hey Tom-
Obviously I don't know too much about the sedimentator, but, I've always heard it referenced on the TDI diesel motors. I see it in my workshop manual pictures/diagrams, but, I couldn't find any detail on how to clean. That's why I called out to you guys. Thanks for the help. If you want to see what mine looks like, I may be out to Sayville this weekend.
Mike
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  #15  
Old October 5th, 2010, 10:32 PM
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Julien Dalbin
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Quote:
Originally Posted by diesel_jim View Post
And i'd not bother unscrewing that plastic "bung" thing... it'll probably snap... just undo the bolt through the middle and dis-assemble the whole thing... you can clean it out better in pieces anyway.
i just ordered two of these on lr direct. One to replace mine and the other to have it as a model so i can make one out of brass or aluminium .
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  #16  
Old October 5th, 2010, 11:22 PM
discotdi
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Todd Miller
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how about a picture to show this thing? someone snap a cell phone pic or something. like to know what to look for.
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  #17  
Old October 6th, 2010, 10:39 AM
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John B.
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Quote:
Originally Posted by JFD View Post
i just ordered two of these on lr direct. One to replace mine and the other to have it as a model so i can make one out of brass or aluminium .
It is just an M8 thread, IIRC.... A regular bolt works.
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  #18  
Old October 6th, 2010, 10:42 AM
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John B.
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Quote:
Originally Posted by discotdi View Post
how about a picture to show this thing? someone snap a cell phone pic or something. like to know what to look for.
Is it just me, or cannot people read the workshop manual??? They are freely available online with really nice, pretty pictures and descriptions of what to do.

Picture from manual attached...
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  #19  
Old October 6th, 2010, 11:34 AM
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Todd Miller
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firstly I don't have a workshop manual for this car yet. secondly I prefer real pictures to cartoon stick drawings. thirdly the picture in the WS manual does not show the location and it seems like there are possibly multiple locations for said filter based on what people have said in this thread.
I suppose I could search all around the truck until I see something that looks like the WS pic, but I thought if someone is cleaning it , they could snap a pic. It is then easy to locate based on surrounding features.
thanks for the WS pic though, now I know what to look for.
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  #20  
Old October 6th, 2010, 12:34 PM
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Julien Dalbin
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Quote:
Originally Posted by Red90 View Post
It is just an M8 thread, IIRC.... A regular bolt works.
The ones i received are 5/16 " - 18 , i'll post a pic later today.
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