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Thread: coolant leak

  1. #16
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    what would be the problem if leaking from top hole

  2. #17
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    Bike got wet?
    Jeff Borowski . . Had 88 Venture standard, now 2011 Silverado 4x4
    There are 10 kinds of people that understand binary, those that do, and those that don't.
    Sometimes the thoughts in my head get bored and go for a stroll out through my mouth (or fingers). This is never a good thing.


  3. #18
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    The top hole is a drain for the well the spark plug resides in, the only thing that should leak out of that is water that gets in there when washing or riding in the rain. If you have green coolant leaking out of that hole you have a bad hose, gasket or radiator cap, all of which reside some where above the head and a leak from them could find their way to that well. Pull the tank and look for a leak above the head, you can dust the suspect areas with talcum powder and that will show the wetness very quickly and should help to identify the source of the leak.
    Steve K
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    And the LORD said "Thou shalt have dominion over all of the animals, Except of course the cat."

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    Default Re: coolant leak

    Quote Originally Posted by star4772 View Post
    If that is the leak at the top hole and not the hole at bottom where the rubber plug is then you have a different problem. I just did the shim fix and it stop all leaks on my RSTD yesterday. How ever I do have 4 new ones on order should be here today - Sat.

    Joe
    I took the fins off and doesn’t seem to be leaking from plugs, looks like it is coming from higher up by the spark plug

  5. #20
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    Default Re: coolant leak

    Quote Originally Posted by Eagle62 View Post
    I took the fins off and doesn’t seem to be leaking from plugs, looks like it is coming from higher up by the spark plug
    Hopefully you've already solved this, but I had the same problem. Ended up being my mistake. I replaced the engine and when I connected the coolant hose (right behind the spark plug) I forgot to position the hose clamp. I thought my engine's head was cracked or something. SO MAD!!! Even more mad, but relieved, when I figured out where it was coming from.

    If your leak is on the front left or the back right cylinder, check the hose behind the spark plug.

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