[alfa] near new water pump leaking

[Anthony Toy <anthonytoy@xxxxxxxxxxx>]

I have a 12 month old water pump on a 105 (1971 1750 gtv) that is 
leaking. The bearing is fine and the pump is nearly new. There appears 
to be a small machined whole at the bottom of the pump just rear of the 
pulley where the coolant is leaking out. I haven't noticed this hole on 
older water pumps. Should it have a grub screw in it? What is it there 
for?
Thanks in advance,
anthony toy
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