LHM leak at reservoir sight tube
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  1. #1
    Fellow Frogger! deesse's Avatar
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    Default LHM leak at reservoir sight tube

    Can anyone suggest a simple fix for a slow leak at the bottom of the level inspection tube on the side of the LHM reservoir. It is a slow weep and there seems to be a hose clamp thingy at the junction with the black tube. The hose clamp has a little tag, rather like an old sardine tin which looks like if you give it a twist with pliers it will tighten up and seal the leak or break off and have LHM gush everywhere. It is on the SM which I presume is the same as a DS. If it needs a new seal or some such thing then what is the process.

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    Any suggestions?

    cheers Tony

  2. #2
    Fellow Frogger
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    On the DS, it's simply about an inch of small diameter return rubber hose. You could put the car to maximum height to almost drain the reservoir and then you can probably remove the sight tube from the old rubber joiner without it spilling out. It obviously depends on how much is in the reservoir. Then you clean the sight tub and quickly swap the rubber joiner with a rag to catch the spillage. The clip you refer to is another form of Ligarex banding and it will tighten as you turn what looks like a split pin. They are referred to as Mirex clips, but most people would cut it off and replace it with a small hose clamp in the name of practicality.

  3. #3
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    Tony,

    The usual reason this area leaks (D's or SM's) is that there is cracking in the rubber tubing where the nylon sight tube enters. On D's sufficient sealing pressure was obtained with the rubber sleeve that connected the nlyon sight tube with the metal tube ends on the reservoir. The SM uses a rubber extension tube from the bottom of the tank to reach the sight tube. The nylon sight tube is pushed inside of that extension tubing and Ligerex banding was used to ensure a good seal. It is that rubber extension tube that is most likely compromised - if that is the problem, no amount of extra tightening force will eliminate the drip.

    Just note that with most all cars the original Ligerex clamp(s) has been replaced with a small spring type hose clamp or one that is tightened with a screw driver.

    Steve

  4. #4
    1000+ Posts daffyduck's Avatar
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    Just note that with most all cars the original Ligerex clamp(s) has been replaced with a small spring type hose clamp or one that is tightened with a screw driver.
    And many cars run none.



    On the DS, it's simply about an inch of small diameter return rubber hose.
    Probably split or cracked.

    David S gave you a cracking solution for an easy fix.

    Ooh. Bad pun.
    /Ducks
    /Daffy ducks.

    woohooo
    wooohooo
    woooohooo

  5. #5
    Fellow Frogger! deesse's Avatar
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    thanks men, I will check it out.

    cheers Tony

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