Hydraulic line: reservoir to pump
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  1. #1
    Fellow Frogger!
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    Default Hydraulic line: reservoir to pump

    Hello, I am seeking advice on where to source a hydraulic line from the reservoir to pump for a '75 D Special (therefore LHM).

    Mine appears to have been cut down at some point, so that it is too tight/not enough flex and there is a very slight leak at the pump end.

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    From the Der Franzose site the specs are 11x18x800mm. Can anyone confirm that this is correct? Should there be an additional rubber sleeve (over the nozzle) at the pump end?

    I am based in inner eastern Melbourne.

    Regards

    AM

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    Administrator GreenBlood's Avatar
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    Quote Originally Posted by ajaxvte View Post
    Hello, I am seeking advice on where to source a hydraulic line from the reservoir to pump for a '75 D Special (therefore LHM).

    Mine appears to have been cut down at some point, so that it is too tight/not enough flex and there is a very slight leak at the pump end.

    From the Der Franzose site the specs are 11x18x800mm. Can anyone confirm that this is correct? Should there be an additional rubber sleeve (over the nozzle) at the pump end?

    I am based in inner eastern Melbourne.

    Regards

    AM
    I've heard bad reports on the repro hose available from the usual OS suppliers.
    If you can NOS is the better option, if not take a section of your original hose to Repco/Autobarn etc. and get a length of power steering hose of the same internal dia. (you'll miss out on the green line that the OEM hose has).

    Cheers
    Chris
    74 D(very Special) >>Rejuvenation Thread<<
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    "Déesse" Roland Barthes, 'Mythologies', 1957

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    (Umberto Eco [Ed], The History of Beauty, Rizzoli, NY, 2004)

  3. #3
    Real cars have hydraulics DoubleChevron's Avatar
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    You need to pull the hose off and check it too.... It wouldn't be the first time I'm come across a citroen line that has a different internal diameter each end .... grrrrrrr......

    seeya,
    Shane L.
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  4. #4
    Fellow Frogger!
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    Thanks very much. It was Bob King who suggested I replace the line, when I showed him the leak whilst I was at his garage sale a couple of weeks ago. I'm guessing that with his experience, his advice would be pretty sound! The folk at ENZED (recommended by various people) are suggesting to me that I don't need a high pressure line. I will take the existing hose to them and see.

    The other thing I notice is that the band on the original hose clamp at the pump is more narrow than those commonly available. My replacement seems a little too wide for the section of pipe/nozzle (off the water pump), which may be contributing to a less than ideal fit.

  5. #5
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by ajaxvte View Post
    Thanks very much. It was Bob King who suggested I replace the line, when I showed him the leak whilst I was at his garage sale a couple of weeks ago. I'm guessing that with his experience, his advice would be pretty sound! The folk at ENZED (recommended by various people) are suggesting to me that I don't need a high pressure line. I will take the existing hose to them and see.

    The other thing I notice is that the band on the original hose clamp at the pump is more narrow than those commonly available. My replacement seems a little too wide for the section of pipe/nozzle (off the water pump), which may be contributing to a less than ideal fit.
    It may have been replaced with a line that doesn't have a different internal diameter both ends ( it's bloody frustrating when you find that). Bob King would certainly have suggested that if it was the case. There's not much he doesn't know about these cars. It's a suction line, it's more important it won't close under gentle suction that it being pressure rated.

    Are you sure your not thinking of the regulator return line. The reseviour -> pump line would rarely leak fluid. You see it would suck air rather than leak fluid.

    seeya,
    Shane L.
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  6. #6
    Fellow Frogger!
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    Definitely reservoir to pump line. Definitely a small leak at pump end.

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    Hi all, have used fuel line successfully for years.
    take it to a hose supplier who can advise.
    Cheers,
    Rob

  8. #8
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    Parts book shows 11 x 18 x 800 and the original was not reinforced tube. Some people suggest 800mm is a fraction too short, so measure what you have now and add a bit if it is tight.

    LHM is a mineral oil, so unless you need enough other items to justify the freight from a specialist vendor, buy a metre of suitable oil hose from Pirtek, Repco and so on - 20% off at Repco this weekend. 11mm is what it should be at both ends, but this being Australia, you may have to settle for 7/16th, which is 11.1mm.

  9. #9
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    Thanks again. Took the hose off tonight. 740mm. Will go to repco tomorrow.

  10. #10
    1000+ Posts michaelr's Avatar
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    Quote Originally Posted by ajaxvte View Post
    Thanks again. Took the hose off tonight. 740mm. Will go to repco tomorrow.
    Many hoses will not be suitable as they tend to collapse. This is a suction line and most hoses are designed for pressure.The right item has thick walls.

    I bought one not long ago from Roger Parker in Adelaide.

    The Citroen DS Specialist | Roger Parker
    Michael
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    call Enzed or a hydraulic supplier, don't let a kid check out the back though! I did that and the kid got three out of three hoses wrong, with 3 samples in his hand, cut them brought them back to the counter and then his boss said 'everything all right?' I said to the kid you better go for a walk, and take those hoses with you! then managed to get 2 right, oh well. Good luck!

  12. #12
    UFO
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    My D has run on a piece of reinforced oil/fuel hose for years. Works fine.

    It was bought from REPCO during a CCCNSW Tech Day at Lidcombe.
    Craig K
    2009 C5 HDi Exclusive

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