Re: Hole in water pump cavity in head
Is it a wet area where the hole goes? Probe it with a wire and find out. My bet is it is the wet water jacket. Does it need to be repaired? Since it is in the housing area of a centrifugal pump it night affect the pumping efficiency but the leak is to the place that it is going any way, might actually relieve some of the over vigorous pumping action. Fix or don't and / replace with new. I'd prefer to do a repair only once and have the option of a compression increase for free.
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