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Thread: Fuel Leak 6.5 TD HELP

  1. #41
    Join Date
    Sep 2001
    Location
    Ft. Wayne, In.
    Posts
    535

    Default

    Bully,
    Thanks for filling us in!
    Dave
    Dave, N9LOV
    Member #242
    Dave's Diesels:
    Sold June, 07 '82 1/2 ton 4X4;340k miles
    '97 2 Dr Tahoe, Intercooled,
    Kennedy ECM, 4" Exhaust
    '02 GMC

  2. #42
    Join Date
    Jul 2019
    Location
    Lansing
    Posts
    15

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    Since it was red antifreeze, it looked the same color as the fuel. And with it running down from wherever it is coming from, there really isn't a smell to it even though you would think it was easy to tell the difference. Now I think it is one of the steel lines but am still unsure. I took off all of the coolers and the main bracket that supports all of them on the front of the truck and still cant quite see. I am going to try and fill some of the lines tonight and see if any of them make it leak more to narrow down which line.

  3. #43
    Join Date
    Dec 2009
    Location
    In the North
    Posts
    700

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    It sure is difficult to diagnose a leak if you don't get some on your fingers and smell it and taste it
    Diesel and coolant sure look and smell and taste way different,.
    Lotta good experienced people here more than willing to help but only as good as the person being instructed to check and replace parts.
    But sometimes its a "magic" leak which can be traced back to not doing basics,..
    Apology needed in this case from OP inmho.
    1999 chev suburban C2500
    300,000 mi

  4. #44
    Join Date
    Jan 2001
    Location
    New Hampshire - Live Free or Die
    Posts
    6,056

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    Na, it's all my fault. When he posted this picture and said it had no smell, I should have known it was coolant. (too much surface tension for fuel)
    Attached Images Attached Images
    Last edited by JohnC; 03-15-2020 at 10:36.
    The Constitution needs to be re-read, not re-written!

    If you can't handle Dr. Seuss, how will you handle real life?

    Current oil burners: MB GLK250 BlueTEC, John Deere X758
    New ride: MB GLS450 - most stately
    Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510

  5. #45
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    12,282

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    Well ya could have fooled me....
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  6. #46
    Join Date
    Feb 2014
    Location
    NC
    Posts
    32

    Default

    My diesel is green. I thought it was atf.
    1995 K3500 CCLB 6.5 turbo diesel

  7. #47
    Join Date
    Jan 2001
    Location
    New Hampshire - Live Free or Die
    Posts
    6,056

    Default

    Red fuel is off road fuel.
    The Constitution needs to be re-read, not re-written!

    If you can't handle Dr. Seuss, how will you handle real life?

    Current oil burners: MB GLK250 BlueTEC, John Deere X758
    New ride: MB GLS450 - most stately
    Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510

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