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My water pumps cover is leaking from behind weep hole not from the actual bolt hole but from the cover behind the hole I jus put new gaskets seals and bearrings in the water pump but didn’t replace pump actual propeller. Any idea why case is leaking ??? Maybe the bolts aren’t tightened down enough is there specific torque spec on water pump bolts ? Or is it leaking telling me I did something wrong and something is now wrong with my water pump
 

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2004 TRX450R
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100 Posts
Is the cover contorted a little? Did you replace or reinstall the dowels on the water pump cover? I looked in the service manual and they dont list torque spec's for the cover bolts. Maybe just a hair tighter will work. Does it leak when its not running? Leak at idle but not under load? Leak under load but not on idle?
 

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Making HP ain’t free. . .
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4,534 Posts
Did you replace the o-ring on the back side of the cover? Those o-rings can get dried out and brittle and that could lead to a leak.
 
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