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Thread: leaking coolant from the fuel cooler

  1. #1
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    leaking coolant from the fuel cooler

    Hi Guys
    BlackBetty just started leaking coolant from the fuel cooler,both ends.
    Only when cold and quite some time after being driven.I suspect leaving the bonnet open with -5 deg morning temps may have contributed.
    I got the O ring sizes from a search,any pitfalls to watch when replacing the O rings???
    Where does one get skinny replacement hose clamps????
    Thanks
    Andrew
    DISCOVERY IS TO BE DISOWNED
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  2. #2
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    If you are talking about the clamps that hold the cooler together, I have always reused the original ones.

  3. #3
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    Most hose clamps are skinny type if they are over 50mm diameter.

    Best are the ABA ones. Makes sure you use a socket rather than a screwdriver.

    If you can, get slightly thicker o rings and if you really can, get Viton rubber ones. Give Caterpillar a call, I think there is one a similar size available.

    Cheers

    Andrew

  4. #4
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    Urban Panzer does a 'how to' on his website.

    www.discovery2.co.uk - Leaking Fuel Cooler Fix

  5. #5
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    I have the same issue too, keep us posted Andy on how you go, I've heard it's hit and miss on whether it works or not.

    Baz.
    Cheers Baz.

    2011 Discovery 4 SE 2.7L
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  6. #6
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    Hey Andy

    Congrats i have just got the issue on the deefer too, as the coolant is nice and new it really did look like it was bleeding

    couldnt beleive that cold caused it to leak!

    now just got to source the rings.. i'll be guessing Transeals...

    Be interested to find out where you get the bits... if i can source anything for you let me know..

    Steve

  7. #7
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    Andy

    CBC Malaga have the orings in stock.. 3.70 each

    did you want me to pick some up for you and post them down?

    If i can get some specs about the jubilee clips too i can see about sourcing them? (dia / width)

    Thanks

    Steve

  8. #8
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    OK it started leaking very badly today, so we had to use a stop leak until we can get it sorted, so we are going the fix it route.

    Apparently our mechanic had over 5 requests for fuel coolers before lunch, must be the unusually cold weather we are having.

    Baz.
    Last edited by Redback; 2nd July 2010 at 06:41 AM.
    Cheers Baz.

    2011 Discovery 4 SE 2.7L
    1990 Perentie FFR EX Aust Army
    1967 Series IIa 109 (Farm Truck)
    2007 BMW R1200GS
    1979 BMW R80/7
    1983 BMW R100TIC Ex ACT Police
    1994 Yamaha XT225 Serow

  9. #9
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    Thanks Steve.
    Deb got me 4 from Narrogin today.$1.40 for the lot
    Unsure if they are Viton like I asked for as I havent seen her yet.
    Andrew
    DISCOVERY IS TO BE DISOWNED
    Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
    Snow White MY14 TDV6 D4
    Alotta Fagina MY14 CAT 12M Motor Grader
    2003 Stacer 525 Sea Master Sport
    I made the 1 millionth AULRO post

  10. #10
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    If they are Viton... she can get me some too

    Did you source the clamps? or are you just going to reuse the existing ones?

    I'm just wondering if im going to lose some coolant... whether i should drain it... keep it (as its a few months old) and drop the rad / intercooler out and give it a good scrub... there was lots of oil in the intercooler pipes..

    Steve

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