Question for those of you that have a Stewart water pump...
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Question for those of you that have a Stewart water pump...
I got my Stewart stage 1 water pump (p/n 13123) today. I was comparing it to my stock one on my RS and noticed a slight difference. On my stock water pump, it looks like it has a weep hole on the top side (as well as one underneath it). The Stewart water pump has the weep hole underneath but up top it has a cast protrusion that has a threaded hole (big enough for my pinky finger to fit in). Otherwise it looks the same as my stock water pump. Does anybody know what that hole is for? Do I need to plug it, and if so with what? Or can I leave it unplugged? I don't think I can leave it unplugged because I think the passage is connected to the water passages. I know I can just call Stewart on monday but thought maybe someone here might have the answer already.
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I got the cast iron one so it's gonna get painted black. ![](https://www.thirdgen.org/messgboard/smile.gif)
So, anyone know what that hole it for? Maybe a sensor, like a coolant temp sensor for some applications? It's the only thing I can think of why they would put it there.
Also, when I plug it do I need to use any sort of sealer? If so, what kind? Thanks.
[This message has been edited by Dana92RS (edited March 03, 2001).]
![](https://www.thirdgen.org/messgboard/smile.gif)
So, anyone know what that hole it for? Maybe a sensor, like a coolant temp sensor for some applications? It's the only thing I can think of why they would put it there.
Also, when I plug it do I need to use any sort of sealer? If so, what kind? Thanks.
[This message has been edited by Dana92RS (edited March 03, 2001).]
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