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TR2/3/3A extra hole in my water pump?

deuce

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Hi Folks.. Got a new water pump and it seems there is an extra hole drilled. Installed there is one at the 6 o'clock. OK, a weep hole. There is also one at the 1:30 position. What is that one for? Excuse me if this has been answered before.
 

TomMull

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The original pump had one slot at about an inch long at the bottom. There was also a grease fitting, 1/8 pipe thread at the top and aft of the slot.
Tom
 
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deuce

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Right, Tom. I have the original pump I think.. No grease fitting, but with the 1 inch slot. This car sat for 20 years..it's locked up. I bought a new one from TRF. There is about a 3/16 hole drilled in the casting at the bottom at the impeller end. I'm told that is a weep hole. OK, that makes sense. But there is an identical hole in the casting at about the 1:30 position..looking at the pump installed. Don't know what that is. Thought it might be an oil hole, like motors had in the old days. Thought it might be a mistake..you know..oops, that's wrong..I'll just drill another. Thought it might be a vent..don't know about that. Seems like oil and other assorted engine crud would get in and plug it. So, is it a mistake..should I fill it with something..or is it supposed to be there?
 

TomMull

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As long as both holes are in the same cavity, outside of the seal and bearing, it shouldn't matter and need not be plugged. Anywhere else would be a problem. Perhaps someone else has had the issue and will reply.
Tom
 
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