Seal leaking???

2 replies to this topic
  • gregory25

Posted January 18, 2010 - 08:15 AM


Hello fello thumpers, Just recently when i start my 08 yz 450 i get coolent leaking out of the weep hole at the bottom of the water pump,i think it is telling me the seal behind the impeller is bad. What do you guys think? I have no coolent in my oil.
Thanks guys.:banghead:

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  • cbrewer450

Posted January 18, 2010 - 09:33 AM


That would be a good indication your pump seals are going south.. If you pull it apart, check the impeller shaft, bearings, and seals. If the shaft has grooves, it will continue to leak even with new seals. I replaced all on my 03 and solved everything in one shot. It's worth it.

  • gregory25

Posted January 19, 2010 - 05:09 PM



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