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Thread: water

  1. #1

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    water

    how often do you need to top up water, I am finding I need to do after some hot city running, water is going somewhere and not clear where.

    checked hoses etc. engine oil is fine, new radiator so perhaps the a seal around the water pump or maybe thermostat housing - are there any known issues ?

    very hard to find especially if it only happens under pressure

    I do get water from the header overflow when it is really hot

    is it common to have to top up water near enough weekly (depending usage)

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  3. #2
    Supercharged Mod
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    Re: water

    Some years ago I had a leak from the thermostat housing to the block, 'O'ring was just too old/compressed. The only giveaway was a slight staining of the block below the thermostat since the coolant was just evaporating off the hot block.
    Full of Hot air? Intercool yourself............ you know it makes sense

  4. #3

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    Re: water

    Quote Originally Posted by TheDuck View Post
    Some years ago I had a leak from the thermostat housing to the block, 'O'ring was just too old/compressed. The only giveaway was a slight staining of the block below the thermostat since the coolant was just evaporating off the hot block.
    yeah I think that is my first area to check, I agree it has to be somewhere hot since I cannot actally see any drips - just evaporates away although you can usually smell it if you know what I mean - is that o-ring round and about oil filter seal size or even the same size as the seal on the thermostat - hard to get something like that here in Thailand

    cheers


    forgot - I have some silicone high temp sheet I can make one so should be ok

    https://www.ebay.com/itm/Silicone-Ru...mT8caIXOxN0z0A
    Last edited by GeoffXX; 06-13-2019 at 6:37 AM.

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  6. #4
    Supercharged Mod
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    Re: water

    Quote Originally Posted by GeoffXX View Post
    yeah I think that is my first area to check, I agree it has to be somewhere hot since I cannot actally see any drips - just evaporates away although you can usually smell it if you know what I mean - is that o-ring round and about oil filter seal size or even the same size as the seal on the thermostat - hard to get something like that here in Thailand

    cheers
    Yes I had been smelling evaporating coolant (very sweet smell) so I knew I had a leak. Only time I have had to top up between coolant changes.

    The 'O' ring is a big one (but small in cross section) that takes the shape of the thermostat housing so not an 'off the shelf' item unfortunately.
    Full of Hot air? Intercool yourself............ you know it makes sense

  7. #5

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    Re: water

    Quote Originally Posted by TheDuck View Post
    Yes I had been smelling evaporating coolant (very sweet smell) so I knew I had a leak. Only time I have had to top up between coolant changes.

    The 'O' ring is a big one (but small in cross section) that takes the shape of the thermostat housing so not an 'off the shelf' item unfortunately.
    updated my post so should be ok

  8. #6

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    Re: water

    well I believe I found my leak, when I went to take of the Radiator hose from the thermostat housing it just crumbled


    DSC_0000_BURST20190616094554562.JPG

    I also found that the thermostat seal ring had a tear in it

    I removed the thermostat completely as it is always hot here in Thailand and won't really affect running to any degree that matters

    The disintegrated hose connection just had enough left of solid metal for me to get the hose on securely (only just)

    I then made a Gasket out of my silicon sheet for the housing and assembled and tested - all seems to be sealed and no leaks and the hose is on tight for now

    Might start looking for that whole housing going forward and just keep it in case I need it


 

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