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gregory25

Seal leaking???

3 posts in this topic

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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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.

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