Recently, I discovered my raw water pump was leaking during engine operation.  
So, I replaced the impeller [old one looked perfect after extraction] and the 
"O" ring seal.  
 
After renewal of impeller and "O" ring, I ran engine about 2 to 3 hours, and no 
leakage was observed.
However, yesterday, it was leaking at about 10 to 20 drips per minute while 
motoring.  
 
Are these pumps similar to an automobile water pump?  That is, when the auto 
pump's bearing fails, it starts to leak?  
Is the leakage telling me that I have a bad bearing in this pump??
 
Thanks,
 
 
Pete W.
Siren Song
'91 C&C30-2
Deltaville, Va.
 
 
                                          
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