Can't stop this leak!!! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 09-27-2015, 12:06 PM Thread Starter
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Can't stop this leak!!!

So I have antifreeze leaking out of both coolant pipes at the motor. I just changed the o-ring on one side and it's still leaking. It's supposed to be a 14mm oring which I used. Any ideas? This problem has been there before but now it's getting a little bad out of both sides. Gonna change the other side anyway and hope at least one is working. I also don't feel any wetness coming from the coolant pipe so I'm assuming it isn't cracked

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post #2 of 9 (permalink) Old 09-27-2015, 12:14 PM Thread Starter
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Nevermind the other side is just stripping

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post #3 of 9 (permalink) Old 09-27-2015, 12:14 PM
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Just take it off again and re-do it. I had to do my side-cover twice to get it to seal properly. One o-ring kinda got bent out of shape the first time.

1986 Kawasaki Vulcan 750
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post #4 of 9 (permalink) Old 09-27-2015, 12:25 PM Thread Starter
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Tried to start it and it just came flooding out. Redoing it now.

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1990 Vulcan 750-sold
2001 Honda Sabre 1100-wrecked then sold
2013 Victory Highball
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post #5 of 9 (permalink) Old 09-27-2015, 02:17 PM
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Sounds like you've got a thing with antifreeze this week my friend

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post #6 of 9 (permalink) Old 09-27-2015, 02:25 PM Thread Starter
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Haha yea I'm having issues with it. Gonna drop my bike back off to someone on Friday. It really is just one thing after another.

2007 Kawi ninja-sold
1990 Vulcan 750-sold
2001 Honda Sabre 1100-wrecked then sold
2013 Victory Highball
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post #7 of 9 (permalink) Old 09-27-2015, 02:55 PM
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I put a coat of grease over the o-rings on mine. Don't know if it helped seal, but there was corrosion happening between the steel and aluminum.

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post #8 of 9 (permalink) Old 09-27-2015, 07:51 PM
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grease will help everything slide together without messing with the orings... also, it will add a tiny bit of sealing ability (not much)

corrosion is something to be considered. when I had to change an oring at the thermostat housing, I had a leak there until I got ALL the corrosion off the housing, and then I used a bit of grease on the oring when I installed it

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post #9 of 9 (permalink) Old 09-28-2015, 05:27 AM
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For a temp fix (which ended up being there a while) I tried wrapping Teflon tape around it before reinserting. It got me by with no leaks till I got the right oring.
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