On late water pumps, that hole is a weep hole. Don't plug it or put in
a grease zerk. Trust me, when the pump dries up and the seal goes bad,
the weep hole will weep coolant letting you know you need a new pump.
Mike
"Kaufman, Bob" wrote:
>
> I recently replaced the water pump in the 76 spit and noticed a hole where a
> plug or a grease fitting should be. Should I plug it; put a grease fitting
> in it; or leave it alone? The pump I took off also had a whole with nothing
> in it.
>
> Thanks and Happy Thanksgiving
>
> Bob - Florida 76 Spitfire
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