Td5 coolant bleed screw




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  1. #1
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    Default Td5 coolant bleed screw

    My disco's coolant bleed screw is leaking/dripping coolant. I think the top part of the thread in the pipe is stripped.

    Is there a fix or must I replace the complete pipe?

  2. #2
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    I think the pipe thread is stronger than the screw thread, so it's more likely that the screw is damaged. If it's the pipe then you don't have much option but to replace.

    If you are on a tight budget and want to buy some time, I would suggest doing a bush-mechanic type fix- remove screw, smear with gasket maker and replace. I would also clamp it in with 3 hose clamps- one either side around the pipe, one from clamp to clamp over the screw head so it can't eject itself. Wouldn't leave it like this forever though.
    Rob
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  3. #3
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    For the sake of enlightenment, where exactly is this screw located?
    camelman
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    Camelman its a screw with a screw driver slot on the top hose comming from the engine, about 250mm from the engine, on the right hand side of the engine.

    Hagu the 'nut' inside the pipe came loose, its a round piece of rubber with thread, it fell into the pipe.

    It's a new pipe for me!

  5. #5
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    Quote Originally Posted by Greenandgold View Post
    Camelman its a screw with a screw driver slot on the top hose comming from the engine, about 250mm from the engine, on the right hand side of the engine.
    Hagu the 'nut' inside the pipe came loose, its a round piece of rubber with thread, it fell into the pipe.
    It's a new pipe for me!
    Thanx, I found it in the RAVE manual
    camelman
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  6. #6
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    because of these issues with these bleed screws, the local Silverton is making a short copper pipe with a bleed screw in it.
    you cut the rubber pipe off either side of the bleed screw, slip the copper T into the ends of the pipe and fit on with hose clamps.
    will see if i can get costing and photos on Monday.

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    Thanks LL will wait for you before I order new pipe

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    After many failures, I too had a copper pipe made up with a bleed screw. Mine incorporates all the tap offs so I can fit standard "straight" hoses from it which I buy p/m, lately I've also changed those to silicone. Much better and a big cost saving at the end of the day.

    Worth the effort and a place to fit extra coolant sensors for your EMS unit and elctric fans!!
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  9. #9
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    you could use the coolant sensor as a bleed screw by unscrewing it in that configuration.

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    Correct, as many know another weak area are the "ears" of the outlet housing braking off. This I've improved with a much heavier 10mm plate and pipe and moved the temp sensor now to where the bleed screw use to be. Like LL said, one then just bleed by unscrewing that sensor.

    Can't find a pic of the latest version, this was the first one the made for me.
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    nice compressor.
    T-max?

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    Interesting thread. If one has a choice is it better to make one up from copper or to use stainless? Any possible issues with electrolitic corrosion?

  13. #13
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    Quote Originally Posted by Landyluvver View Post
    nice compressor.
    T-max?
    T-Max-4 years in THAT spot and lots of pumping!! Plumbed quick couplings to each steel bumper.

    Don - I think most guys would prefer to work in copper since most of the threat type nuts/flanges only come in copper - those needed for sensors.

    So they prefer to go copper on copper with silver solder. Dunno, never felt like questioning them....
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  14. #14
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    normally the copper is easier to roll to shape. also easy to add fittings.
    stainless normally has to be machined for ribs etc.
    stainless will not be affected by corrosion but neither will copper.
    Allie is however another option.

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    I've found a piece of ssteel pipe that will fit but have never welded or brazed ssteel. Will do the test tomorrow.

    Discomad where do you get the silicone hoses?

  16. #16
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    ok, promised i would come back on this issue.
    attached the photo of the bleed screw setup i was referring to.
    with bleed screw as shown, it is R200 complete and excluding leaving a hole with standard (NTP thread??) to fit a temperature sender it is R175.
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  17. #17
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    It is very important that you tend to it sooner than later. That little bleeder screw cost me an engin overaul.
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  18. #18
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    I made my own bleedscrew, rubber washer, metal washer and bolt from hardware store. Stealers quoted me R80 for the screw and R700 for a new hose.
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  19. #19
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    Thanks,for all the help and advice, fixed with a copper pipe and a bleed plug.

    This disco has had 3 go's, with in a month, at destroying the engine. I was lucky to see and smell it every time before the engine overheated.

    Guess a Madman is the next toy.

  20. #20
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    Quote Originally Posted by Greenandgold View Post
    Thanks,for all the help and advice, fixed with a copper pipe and a bleed plug.

    This disco has had 3 go's, with in a month, at destroying the engine. I was lucky to see and smell it every time before the engine overheated.

    Guess a Madman is the next toy.
    Or at least the coolant level monitor from Landyonline
    2003 Disco II GS V8 Auto
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