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Old 01-20-2014, 03:08 PM   #1
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FL Water Pump weep hole?

While working on my FL120 I noticed a slotted hole on the under side of my water pump. Is this a factory weep hole or corrosion. I haven't had any leaks so I'm guessing it's got to be a weep hole.
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Old 01-20-2014, 04:51 PM   #2
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Factory weep hole. If you start to see coolant drips, it's a heads up that it's time to change out the pump.
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Old 01-20-2014, 06:36 PM   #3
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Agree with LarryM, weephole. Owners weep over that pump too.
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Old 01-20-2014, 08:38 PM   #4
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Agree with LarryM, weephole. Owners weep over that pump too.
I thought it was the old style raw water pump on Lehmans that was the issue....maybe?

Hadn't heard the circ pump as an issue but I may just be in the dark on it...
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Old 01-21-2014, 08:20 AM   #5
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I thought it was the old style raw water pump on Lehmans that was the issue....maybe?

Hadn't heard the circ pump as an issue but I may just be in the dark on it...
There is no particular "issue" with the circulating pump. They usually last a very long time.
I replaced mine 2 seasons ago only because I had all the coolant drained as I was R and R ing the exhaust manifold. I had about 4000 hrs on the engine at the time and I'm sure the pump was original.
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Old 01-21-2014, 08:31 AM   #6
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There is no particular "issue" with the circulating pump. They usually last a very long time.
I replaced mine 2 seasons ago only because I had all the coolant drained as I was R and R ing the exhaust manifold. I had about 4000 hrs on the engine at the time and I'm sure the pump was original.
We replaced ours on the SP135 at 6638 hours and it was original.
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Old 01-21-2014, 09:51 AM   #7
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Usually all that needs to be replaced is the lip seal, not the entire pump.
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Old 01-21-2014, 10:14 AM   #8
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Just to keep on track, my pump is fine, I was just questioning the hole at the bottom. I pull the pump to track down a high temp reading on my guages. The guys at Am. Diesel (GREAT PEOPLE) said I probably need to bleed the air from my exh. manifold.
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Old 01-21-2014, 10:19 AM   #9
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Except when they start to look like this ...
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Old 01-21-2014, 10:58 AM   #10
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Except when they start to look like this ...
Doesn't aerating the coolant keep everything cooler????
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