someone82 Posted December 30, 2008 Report Posted December 30, 2008 (edited) how did you check to see if the pump is working right? I opened up my radiator cap, started it up and watched to see the coolant flowing.. is there another way? You could be foolled, I had a simalar problem. My water pump impeller gear (Part Number #5 in the image above) was stripped out on the keyed side, so when at idle there would be enough friction between the gear and the impeller shaft to spin the impeller and flow water, but as soon as I would get the motor spinning, the impeller would stop spinning and the motor would boil over. disconnect the overflow line from the overflow tank, mount it to where you can see it while riding (please don't point it at you :geek:). Let the motor warm up and then take it for a quick spin around the block, if it starts spitting, i'm 95% sure this is your problem and just so you know, it's not uncommon. Give this a try and let us know. Edited December 30, 2008 by someone82 Quote
hollisatp Posted December 31, 2008 Author Report Posted December 31, 2008 (edited) ok.. ill try that tomorrow.. ill post the results.. Thanks! reallt that common? but what about the missing coolant? Edited December 31, 2008 by hollisatp Quote
someone82 Posted December 31, 2008 Report Posted December 31, 2008 ok.. ill try that tomorrow.. ill post the results.. Thanks! reallt that common?but what about the missing coolant? Yeah after i discovered it, i did a search here on the forum and discovered it was not uncommon. When the stock impeller deterioates the motor will start overheating, you might not notice it but it gets hot enought to slowly break down the plastics, in turn the back side of the impeller gear strips out due to being weak. The water mixed in with the coolent could be just boiling off while you ride and you won't notice it with overflow tank behind you. Like i said before this was the problem that I had, but I had already ditched the overflow tank, so I never delt water going "missing", I could see right where it was going. Funny thing about this problem with it's symptoms it looks like it should be a leaky head gasket, but at least it wasen't in my case. Quote
hollisatp Posted December 31, 2008 Author Report Posted December 31, 2008 well I have a high flow impellor on it and my overflow is relocated to the front. Never saw any come out the tube. Quote
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