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  1. #21
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Some neat work there gents. I can only imagine the cost is not 500 bucks unfortunately.
    HENK


  2. #22
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Good idea with pushlock and braided hoses. Why not fit a loose cooler in front. Will be better
    Four wheels move the body,
    Landys move the soul.
    0735236742
    Current: Discovery 2 td5.
    Next landy, D3 V8 HSE Previous one.D1 v8i D1 300 TDi donkey, D1 V8 Fuel THIEF!!! freelander 1, biggest pos known to man,

  3. #23
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by Sam vd Merwe View Post
    Good idea with pushlock and braided hoses. Why not fit a loose cooler in front. Will be better
    Agree the biggest oil cooler you can put in for a auto is the best, high oil temps kill auto box’s
    Auto cooler left and power steering cooler
    oil cooler installed below
    my sons Chevy Landy he built

    oh and AN fittings stand for Army-Navy
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    Last edited by clivemd; 2021/09/10 at 07:48 PM.
    1995 300TDi Defender with VGT Turbo (stolen by my son now )
    2002 Defender with LS1 MS3 ECU, 4L80e, LT230 1.222, Lockers and HD CW&P, 35" with 4" Lift
    2005 Defender TD5

  4. #24
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by Henkus View Post
    Some neat work there gents. I can only imagine the cost is not 500 bucks unfortunately.
    R500 gets you a pizza and a few beers these days.....
    Jakes Louw
    2012 Jeep Sahara Unlimited 3.6 V6
    Percivamus

  5. #25
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by jelo View Post
    R500 gets you a pizza and a few beers these days.....
    Or a quarter tank of diesel
    Four wheels move the body,
    Landys move the soul.
    0735236742
    Current: Discovery 2 td5.
    Next landy, D3 V8 HSE Previous one.D1 v8i D1 300 TDi donkey, D1 V8 Fuel THIEF!!! freelander 1, biggest pos known to man,

  6. #26
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by clivemd View Post
    oh and AN fittings stand for Army-Navy
    ...and JIC Hydraulic fittings are directly interchangeable for less cost...
    Cheers,
    John Kilfoil

    'People who believe the vaccination will alter their DNA should probably consider it an opportunity"

    Rover P6
    Land Rover Discovery II Td5 Manual
    Range Rover P38 HSE -- Sold
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  8. #27
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Some nice input here guys - thank you.

    I'm particularly impressed with the fact that you can get re-usable fittings so that you can make up hoses yourself. I always thought those "crimping" things were the only way. I'm going to look into this - so that I can make them up at home to the correct length, and play around with the routing and clamping them down. For engine oil cooler and power steering lines as well.



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  10. #28
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Well done bud. You've come a long way.
    Jakes Louw
    2012 Jeep Sahara Unlimited 3.6 V6
    Percivamus

  11. #29
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by jelo View Post
    Well done bud. You've come a long way.
    Thanks for the kind words, Jelo.



  12. #30
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    Default Re: Disco 1 Auto: flexible cooler lines?

    So, the more reading up I do, the more these flexible lines make sense.

    The solid lines with the small flexible section, make sense for the original equipment version of the Disco - when it was new. After all, these lines run very near the exhaust. In fact, the more I think about it, perhaps it makes sense to leave a short length of metal line at this point. If anything had to come loose and burn on the exhaust, this would be a problem and would perhaps influence the reliability of the car.

    As for the rest - flexible makes much more sense. And actually, more rather than less flexible! The biggest problem might be temperature, rather than pressure, actually!

    A quick Google tells you that gearbox pressure is around 10 bar max in this auto box. But that's within the box. The return line to the cooler, apparently, empties back down into the pan, so would be a low pressure line. A couple of bar, max.



  13. #31
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Here's my temporary solution... remove the pipe, clean up and silver solder everywhere it looks like the leak could be.



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  15. #32
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Ashcroft sells a kit with an autobox cooler and lines to retrofit to a Defender. A lot can be learnt from this. The biggest issue, is finding a way to get the existing nipples on the auto box side to connect to a length of flexible pipe.

    On the Ashcroft kit, you remove the nipple adapters from the gearbox and screw in a M16 (4HP22) or M18 (4HP24) banjo pushlock fitting. This seems like a very nice way of doing it, with one less connection to go wrong.



  16. #33
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote placed with FTF. Let's see what it all comes to
    - braided rubber line
    - braided PTFE line
    - adapters M16 to AN8
    - AN8 fittings
    (hope I'm right about the AN8 - will need to go measure properly before ordering).



  17. #34
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by antvz View Post
    Quote placed with FTF. Let's see what it all comes to
    - braided rubber line
    - braided PTFE line
    - adapters M16 to AN8
    - AN8 fittings
    (hope I'm right about the AN8 - will need to go measure properly before ordering).
    What are the PTFE lines for?

    The braided rubber hose to replace the standard steel line for the gearbox cooler is AN8, thats what we just did on mine.
    Im nots sure if the autobox is different but the adapters to fit the manual box were M20 to AN8

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  19. #35
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by Jay_B View Post
    What are the PTFE lines for?

    The braided rubber hose to replace the standard steel line for the gearbox cooler is AN8, thats what we just did on mine.
    Im nots sure if the autobox is different but the adapters to fit the manual box were M20 to AN8
    normaly the braided PTFE lines are used for HP as in supply from steering pump to steering box
    and also brake lines but use different fittings for brakes
    1995 300TDi Defender with VGT Turbo (stolen by my son now )
    2002 Defender with LS1 MS3 ECU, 4L80e, LT230 1.222, Lockers and HD CW&P, 35" with 4" Lift
    2005 Defender TD5

  20. #36
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    Default Re: Disco 1 Auto: flexible cooler lines?

    The auto box will take an M16 adapter.

    PTFE lines just to check the price difference. If not much more than rubber, I'll go for that. Will withstand the heat better and less likely to break up inside as well.



  21. #37
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Well, I've sent a couple of emails back and forth to FTF and have received really great responses. Slowly I'm building a picture of what I need to do with these (and future) lines.

    Ironically, the PTFE stainless braid is much the same price as the rubber line. I think I'll go for the PTFE - makes a lot of sense when ATF at high pressure and temperature is involved, and also since the lines are near the exhaust.

    Those fittings are not cheap. However, the total cost of making up those lines won't come to much more than having a hydraulic place make up the usual crimped lines - with the advantage that I can fit it at my leisure at home, and I can get the lengths exact. Also I would imagine it would be much easier to do a field repair - I should actually buy a couple of straight adapters and just leave them in my tool box with a short length of hose.

    I'll also be buying some more PTFE hose when the time comes to do that pesky coolant pipe in my Tata that runs directly underneath the exhaust manifold. And all the other small coolant pipes in the Landy. It's so hard to get decent coolant hose these days.



  22. #38
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Antz

    on another point

    you must have several kilos under the belt with your electric vacuum pump by now

    any comments yet

    thks

  23. #39
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by RossJ View Post
    Antz

    on another point

    you must have several kilos under the belt with your electric vacuum pump by now

    any comments yet

    thks
    I'm still very happy with it. It's been about 20 000 km now since the engine overhaul and the installation. I still need to tidy up the plumbing a bit. Same with the fuel pump. Ironically, the piping sold at FTF is making me think about doing the whole fuel line and vacuum lines over again (fuel, will use braided teflon pipe).



  24. #40
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    Default Re: Disco 1 Auto: flexible cooler lines?

    Quote Originally Posted by antvz View Post
    Well, I've sent a couple of emails back and forth to FTF and have received really great responses. Slowly I'm building a picture of what I need to do with these (and future) lines.

    Ironically, the PTFE stainless braid is much the same price as the rubber line. I think I'll go for the PTFE - makes a lot of sense when ATF at high pressure and temperature is involved, and also since the lines are near the exhaust.

    Those fittings are not cheap. However, the total cost of making up those lines won't come to much more than having a hydraulic place make up the usual crimped lines - with the advantage that I can fit it at my leisure at home, and I can get the lengths exact. Also I would imagine it would be much easier to do a field repair - I should actually buy a couple of straight adapters and just leave them in my tool box with a short length of hose.

    I'll also be buying some more PTFE hose when the time comes to do that pesky coolant pipe in my Tata that runs directly underneath the exhaust manifold. And all the other small coolant pipes in the Landy. It's so hard to get decent coolant hose these days.
    Google Aeroquip Firesleeve, it should be commecially available from suppliers.
    Cheers,
    John Kilfoil

    'People who believe the vaccination will alter their DNA should probably consider it an opportunity"

    Rover P6
    Land Rover Discovery II Td5 Manual
    Range Rover P38 HSE -- Sold
    Moto Guzzi LeMans
    Aprilia Tuono V2

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