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Thread: Silicon Hose Popping

  1. 2nd December 2010, 07:03 PM #1
    ATLandy Guest

    Silicon Hose Popping

    Hi ,

    Recently changed my D2 intercooler hose to silicon hose , bought from UK .
    Brand is Terrafirma . The 1st section , the shortest one , keep popping under load . I have even tried to used additional hose clamps on it and tighthen it until it cuts into the outer layer of the new silicon hose .
    Is this normal ? What can be done here ?

    Now its start to leak oil from these cuts - eventhough the inner wall doesn't seems to have any punctures .
    Should I change back to the original rubber hose on this section ?

    Thks.
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  2. 2nd December 2010, 07:05 PM #2
    robbotd5's Avatar
    robbotd5
    robbotd5 is offline Wizard
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    What boost are you running?
    Regards Robbo
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  3. 2nd December 2010, 07:08 PM #3
    ATLandy Guest
    Hi ,

    Standard boost , I suppose as there are no other changes made on the engine compartment .

    Ta.
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  4. 2nd December 2010, 09:58 PM #4
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    LOVEMYRANGIE
    LOVEMYRANGIE is offline YarnMaster
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    I know of a few now complaining about the Terrafirma hoses popping off. I drove Aaron40's D2 and it popped off without much effort at all.
    He has fixed it now but not sure what he did.
    I would suggest taking it off and cleaning inside the contact area with some acetone or GP thinners to remove and silicone residue then use a maxi clamp on it. Maxi clamps are used on truck cooler hoses and are far better as they have a much wider contact area. I have them on mine and best seal ever.

    Cheers

    Andrew
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  5. 2nd December 2010, 10:04 PM #5
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    scarry
    scarry is offline Swaggie
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    Could the intercooler be partially blocked inside,causing the problem.Maybe it needs a clean out?
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  6. 3rd December 2010, 02:51 PM #6
    ATLandy Guest
    Thanks all for the suggestions .
    At least I know now I am not the only one .

    Ta.
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  7. 3rd December 2010, 09:12 PM #7
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    dullbird
    dullbird is offline Admin Gold Subscriber
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    Also silicon hoses should really be an interference fit...i.e you should need to wiggle it to get it on..if you can get it on easily then its not a good fit and possibly contributing to the ease of it coming off.
    Our Land Rover does not leak oil! it just marks its territory.......



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  8. 4th December 2010, 01:53 PM #8
    ATLandy Guest
    Wiggle = turn left and right to push it in ?
    Mine dont need to , just push it in .

    Ta
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  9. 28th December 2010, 09:08 PM #9
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    Jason789
    Jason789 is offline Master
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    I had the same problem when I fitted silicon hoses to my TD5. I stopped the problem by cleaning everything spotless with white spirit first, and the putting the hoses on with plenty of silicon gasket cement and not starting the car for 24hours to let the silicon set properly(hose clamps were used of course). Absolutely no issue since this was done.

    Cheers,

    Jason
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