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Thread: Leaking Diesel

  1. #1
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    Leaking Diesel

    My TDI 300 I has a leak from one of the small hoses between the injectors.

    I have three questions.

    1/ I assume these are fuel return yes?
    2/ They don't have any clamps so I assume there is only low pressure?
    3/ The one that leaks has a small split in it. Where do I get a replacement? can this be purchased at any auto parts store off the roll?



    Dave.

  2. #2
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    yes, yes, and yes.

  3. #3
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    If leak off line isn't available at the shops you visit, try a Diesel Mechanic who does Mercedes Benz stuff - their injector leak off line is the same. Apparently, it fits snug and the diesel causes it to shrink onto the fitting. Small tie wraps also help as they get older.

  4. #4
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    just replaced these a month or 2 ago around $10 ea from your local land rover dealer (where i got mine from anyway)

  5. #5
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    Quote Originally Posted by bigcarle View Post
    just replaced these a month or 2 ago around $10 ea from your local land rover dealer (where i got mine from anyway)
    What's a "Local" Landrover dealer and where do I find one. I thought they were listed on the endangered species registrar. Haven't seen any around my way for a long time.
    Dave.

  6. #6
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    I went and got some suitable fuel line and used that bought a couple of meters for next to nothing, and keep a spare meter in the car.

    I'll also point out the hose closest to the firewall doesn't appear to be there or connected at all but it may be blanked off can't remember


    Found my thread about it http://www.aulro.com/afvb/discovery-...uel-lines.html
    Last edited by Distortion; 28th September 2011 at 09:27 AM. Reason: Added link

  7. #7
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    The end one near the firewall is blanked off. And yes I did mine a couple of years ago with standard fuel line from Repco for about $5 per metre. have the left over in the garage as spare. No point going genuine for these kind of thing as the vehilces are getting old.

  8. #8
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    You can also get a steel spill rail for a 300Tdi like those fitted to most Japanese diesels if you want to spend $100. Land Rover parts - PIPE - SPILL RETURN - L/R DEF+DISC 300 TDI (see pic)

    I had one lying around but at the last service my mechanic renewed them all with hose automatically, so it's been sold on.

  9. #9
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    Quote Originally Posted by Mr Whippy View Post
    My TDI 300 I has a leak from one of the small hoses between the injectors.

    I have three questions.

    1/ I assume these are fuel return yes?
    2/ They don't have any clamps so I assume there is only low pressure?
    3/ The one that leaks has a small split in it. Where do I get a replacement? can this be purchased at any auto parts store off the roll?



    Dave.
    Any Fuel line that fits will do the job, don't waste money, just buy whatever size fuel line, shouldn't cost more than five dollars and five minutes to fit, Regards Frank.

  10. #10
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    I went to my local parts shop today and the smallest fuel hose he had was 3/16. It looked ok but when I put it on it was not as tight as I would have liked. It did not leak though so I could now go to a large town with more options.

    I went to a diesel specialist and this is what I learnt.
    It is called braided leak off hose and it is made for this purpose. It has the cloth on the out side for heat resistance. Mine being 15 years old and done 330,000 km is testament to how good this hose is.

    The hose for the TDI is 3.2 mm and fits tight as. It is exactly the same as the original. I would suggest to anyone that has changed these and used ordinary fuel hose to do your self a favour and get the proper stuff. It cost me $10
    I doubt that you could get ordinary fuel hose this small.

    Some one here suggested a Mercedes specialist. They told me that Merc hose is 3mm. You should be able to use it but would be tight getting it on.

    Dave.

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