coolant leak. I'm stumped :/ - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 3 (permalink) Old 02-14-2014, 03:35 AM Thread Starter
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Cool coolant leak. I'm stumped :/

I have a 2004 vn750 and I just replaced the leading cylinder head, cams, valves and all gaskets starting at the base of the cylinder. I rode all last summer with no issue but as I was working on putting some new parts on I noticed a leak coming from the leading cylinder exhaust flange. No coolant in the oil at just leaking through the front cylinder exhaust. I pulled the header off and it appears to be coming from around the header itself as the bore of the manifold is bone dry just damp right at the header and it is for sure coolant as it collects green and drips maybe a few drops over night. I am baffled just makes no sense to me.
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post #2 of 3 (permalink) Old 02-14-2014, 08:35 AM
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check the orings in the thermostat housing, also the hoses at the housing.

leaking from them will drip down onto the valve cover and can make its way to the front manifold.
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post #3 of 3 (permalink) Old 02-15-2014, 02:34 AM
..have a vulcan good day!
 
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Sorry, beyond me......other forum members can better suggest/advise.
EDIT: as mentioned in post #2.

WillamTech

[QliUOTE=slickd217;591122]I have a 2004 vn750 and I just replaced the leading cylinder head, cams, valves and all gaskets starting at the base of the cylinder. I rode all last summer with no issue but as I was working on putting some new parts on I noticed a leak coming from the leading cylinder exhaust flange. No coolant in the oil at just leaking through the front cylinder exhaust. I pulled the header off and it appears to be coming from around the header itself as the bore of the manifold is bone dry just damp right at the header and it is for sure coolant as it collects green and drips maybe a few drops over night. I am baffled just makes no sense to me.[/QUOTE]

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!

Last edited by WilliamTech; 02-15-2014 at 02:54 AM.
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