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Old 04-05-18, 09:48 PM   #1
Junior Member
Join Date: May 2018
Posts: 2
Default Fuel leak, filter housing?

Hi, I'm new to the forum, been lurking for a long time and managed to solve issues with my 206 by reading the posts, now I've bought a 2005 2.0 TDI Expert and i'm going to need a bit of help.

I have no previous Diesel experience so quite a lot is new to me, I'm sure I heard/read that if they run out of fuel its a nightmare because you have to bleed the system, is that right?

Anyway my van has started with a fuel leak tonight, from what i could see with the torch on my phone is that it appears to be coming from the fuel filter housing, can I remove this without causing more problems so i can check for leaks?
Do i need to crimp/seal any lines so the fuel pump doesn't suck any air in? I'm just a bit concerned about creating more work and more problems while i try and find the leak.
Is this leaking a known issue?
Any suggestions on what i should be looking for when/if i remove it.
I guess while its off i should replace the filter, any tips on that.

Any other information would be appreciated, or a link to drawings/pictures of the filter housing.
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Old 05-05-18, 08:43 PM   #2
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Join Date: Aug 2012
Location: Margate UK
Posts: 1,062

There may be a bulb in the fuel line allowing you to manually pump fuel when you change the filter. After you have verified the cause and fixed the leak of course!.

If you run out of diesel on most modern cars you will eventually get it to fire up again simply by cranking it over and over. Not a good idea, your battery and starter motor wont like it.

Keeping clunkers out of junkyards.
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Old 08-05-18, 08:41 PM   #3
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Join Date: May 2018
Posts: 2

Sorted it out, I unbolted the filter so i could have a better look right around it to see where the leak was coming from, from the lid at the rear.
I took the 3 hoses off and the electrical conection, once i got it on the bench took the lid off and I found there was no O ring.
Fitted a new O ring, put it all back in place and the engine fired up straight away (no inline bulb, but i never emptied the filter).

Drove it around for a while, no leaks
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