Coolant leak/water pump ?

Engine, exhaust & cooling mods or problems. If it has to do with cooling, anything within the crank case, or exhaust, it goes here.
mr.clean
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Joined: Tue Sep 10, 2013 12:13 pm
I ride: 06 red Vulcan 500
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Coolant leak/water pump ?

Postby mr.clean » Fri Oct 14, 2016 6:30 pm

So I'm leaking coolant through a bolt under the right pipe. Looks like its a part of the water pump, has anyone changed the pump on your own? I read a link where a guy replaced the 2 gaskets under the cover a few years back and it was doing fine as long as there isn't any damage to the Impeller . Anybody have thoughts on this, because a complete kit appears to be $300+ .
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Triangles
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Re: Coolant leak/water pump ?

Postby Triangles » Tue Oct 18, 2016 8:22 am

That bolt is the coolant drain bolt. snug it back up. If necessary use a copper crush washer. Remember you are screwing a steel bolt into a soft cast aluminum part. Don't go crazy or you will strip the threads out of the hole. There is likely NEVER a reason to replace the water pump. IIRC the pump (impeller) shaft is literally the end of the counter balance shaft. There's an oil/coolant seal around the shaft and a gasket between the crank case and outer cover. That's all there is to it. I replaced the outer cover on my EN500A with one from a ninja 500. Some idiot (me) broke off the coolant inlet nipple when replacing a coolant hose. Cheap part, I didn't care that it doesn't cosmetically match. I also had to buy a gasket and since I had it apart I replaced the impeller shaft seal too. I think all said and done it was about $50 in parts.
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mr.clean
Posts: 38
Joined: Tue Sep 10, 2013 12:13 pm
I ride: 06 red Vulcan 500
Location: Round Rock,Tx

Re: Coolant leak/water pump ?

Postby mr.clean » Mon Nov 14, 2016 7:47 pm

Me and a buddy took it apart and replaced the gaskets and put it back together and no more leaking. I tried to tighten that bolt but it wouldn't move.
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Round Rock Vulcan Riders


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