question on Merc 9.8 waterpump

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,230
putting the 9.8 back together, pulled the waterpump out, and there is this hole in the upper pump housing. my guess its a pressure relief. should I leave it, or should I plug it off with JB weld.





 

MTboatguy

Fleet Admiral
Joined
Jul 8, 2010
Messages
8,988
Scott, everyone of them I looked up have that hole in them, so you should probably not plug it up.
 
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