Intercooler hoses collapsing
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Thread: Intercooler hoses collapsing

  1. #1
    FRESHMAN ROVER
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    August 27th, 2009
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    Intercooler hoses collapsing

    Hi guys,

    My dad said today, while driving, the power suddenly cut off and he could only rev to about 2500 rpm and no more. After this i did some digging around. Some suggested it's the hosses collapsing, some said clogged intercooler, some said exhaust and some suggested serviciing the turbo. So i let my dad know on these and a little while ago i got the report.

    Both intercooler hoses are collapsing for some reason. He has run the engine without the air filter and it produces the same result. Also mentioned that hoses are soft & mellow.

    Turbo unit was serviced recently. Also my dad had done something to the hoses to reinforce them and said the hoses are still collapsing but not as much as before.

    Any suggestions?

    Thanks
    -- Gayan --
    P38/L322 Convert -- 1998 -- Sentorino Black Range Rover

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  3. #2
    LEGACY VENDOR leftlanetruckin's Avatar
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    Re: Intercooler hoses collapsing

    I know the intercooler/CAC hoses on the stuff I mess with are all reinforced with a spiral wire inside the hose itself to make it keep its shape.
    Maybe try to get some newer hoses and see if that cures it.

    Martin
    '98 P38 HSE, with a 325hp built Chevy 5.3l LSx motor and transmission, fully functional EAS, HVAC etc.
    '03 L322 HSE Bone stock, besides XM.
    '98 XJ Locked, geared, plated and on 37's.
    Custom fabrication, engine rebuilds and knowledge that comes from experience and not Google, always available for a reasonable cost.
    Reliable BECM repairs, and EAS Parts....www.becmdoctor.com

  4. #3
    FRESHMAN ROVER mcapinha's Avatar
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    Re: Intercooler hoses collapsing

    +1 on what Martin said: replace the hoses. When they collapse they limit air flow to the engine, reducing power. This is often accompanied by white smoke from the exhaust.
    If you can't source OEM/original hoses for your DSE you can always replace them with an aftermarket hose of equal diameter.
    1980 Land Rover Series III 88'' || '98 Range Rover 2.5 DSE

  5. #4
    FRESHMAN ROVER
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    Re: Intercooler hoses collapsing

    Thanks guys,

    Just wanted to confirm this. I'll let my dad know what should be done.

    Thanks again.
    -- Gayan --
    P38/L322 Convert -- 1998 -- Sentorino Black Range Rover

  6. #5
    FRESHMAN ROVER
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    Re: Intercooler hoses collapsing

    Are we talking about a turbocharged diesel engine?
    Almost impossible for intercooler hoses to collapse on a diesel, unless there was a blockage in the intake line.....like the intercooler itself.

  7. #6
    FRESHMAN ROVER
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    Re: Intercooler hoses collapsing

    @zhoey

    Yes this is a diesel.
    -- Gayan --
    P38/L322 Convert -- 1998 -- Sentorino Black Range Rover

  8. #7
    FRESHMAN ROVER
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    Re: Intercooler hoses collapsing

    Quote Originally Posted by gunemalli
    @zhoey

    Yes this is a diesel.
    We have a Freelander TD4 as well.
    I use these in place of the original LR ones and I think the quality is so much better.
    Probably cheaper than original LR ones from a dealer.

    http://samcosport.co.uk/

  9. #8
    FRESHMAN ROVER mcapinha's Avatar
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    Re: Intercooler hoses collapsing

    Quote Originally Posted by zhoey
    Are we talking about a turbocharged diesel engine?
    Almost impossible for intercooler hoses to collapse on a diesel, unless there was a blockage in the intake line.....like the intercooler itself.
    It's hard to believe but it does happen. I've seen it on more than one DSE. If the hoses are worn, they will collapse just by squeezing them since you're limitting air flow, the "negative" pressure from the intake side will make it collapse.

    Samco has a new silicone kit for the DSE but, in my opinion, it's way overpriced at 90 plus shipping.
    Some of the local P38 owners have sucessfully replaced the hoses by stainless tubing, commonly available at any construction materials' warehouse.
    1980 Land Rover Series III 88'' || '98 Range Rover 2.5 DSE

  10. #9
    FRESHMAN ROVER
    Join Date
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    Re: Intercooler hoses collapsing

    Quote Originally Posted by mcapinha
    Quote Originally Posted by zhoey
    Are we talking about a turbocharged diesel engine?
    Almost impossible for intercooler hoses to collapse on a diesel, unless there was a blockage in the intake line.....like the intercooler itself.
    It's hard to believe but it does happen. I've seen it on more than one DSE. If the hoses are worn, they will collapse just by squeezing them since you're limitting air flow, the "negative" pressure from the intake side will make it collapse.

    Samco has a new silicone kit for the DSE but, in my opinion, it's way overpriced at 90 plus shipping.
    Some of the local P38 owners have sucessfully replaced the hoses by stainless tubing, commonly available at any construction materials' warehouse.
    And does this stainless steel tubing allow for any flexibility between engine and intercooler, the latter being mounted on the chassis.

  11. #10
    SOPHOMORE ROVER
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    Re: Intercooler hoses collapsing

    you could always try island4X4

    http://www.island-4x4.co.uk/-c-5_72_...page=2&sort=3a
    Tony
    99 2.5 DT 127K (UK miles) still on air


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