waterpump weeping
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Senior User
Joined: Jul 2009
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waterpump weeping
i think my water pump is weeping, is it just cus its winter or should i order a pump. its weeping little bit for it to run on to lower raditor hose down to lowest point didn't start doing it till i took off hose to pull engine to replace oil pan 2 months and 3000miles ago. you think might be hose not sealing cus old stock clamp or the pump on its way out i got 135000 miles on it so far
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 9
From: Snohomish, WA
You may want to call Absolute Bus Sales They sell a water pump for the 7.3L for $77. You may want to ask them what brand they are though.
Here is what they say:
As far as the 203* t-stat you will get mixed answers. I looked at doing that a few years ago, but decided not to do it based on mixed feelings. Having the 203* in during the winter is a good idea, but for the summer maybe not. It really depends on what you do and want for your truck. Guys running big oil are seeing higher oil temps, so they look at lowering the t-stat temp to keep the oil cooler. I do not think you can go wrong with either set-up, so really it is about shelling out the dough for the parts.
Here is what they say:
Ford 7.3 Powerstroke Diesel Water Pump
We also sell a replacement for Ford's water pump for the same motor in a Ford chassis which would be part number F6TZ-8501A pictured below. Our price on this pump is $77. please call for bulk pricing.
We also sell a replacement for Ford's water pump for the same motor in a Ford chassis which would be part number F6TZ-8501A pictured below. Our price on this pump is $77. please call for bulk pricing.
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 24
From: Damon (South East Texas)
I was seeing higher EOT's in the summer with the 203* stat and changed back to the 195*. I had no problems running the 203* until it was noted that my temps were running a bit too high during live tuning. Had I been monitoring the EOT beforehand, I would have probably changed it sooner. Ambient temps are warmer here and they now seem to be in check since going back to the stock stat. Just my 2 cents.
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Senior User
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anyone ever have bottom hose leak at where it meets the pump cus bad clamp or is there an oring that can go bad between down spout to pump for the lower raditor hose. dont seen coolant coming out weep hole its just finding away on to the lower raditor hose in a very small amount not enough to drip just run down so far.
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Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 9
From: Snohomish, WA
Yes, there is an o-ring on that flange.
OEM P/N is F81Z8255AA or it is an AS568-141 o-ring if you look for it locally.
OEM P/N is F81Z8255AA or it is an AS568-141 o-ring if you look for it locally.
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Elder User
Joined: Oct 2005
Posts: 786
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From: Reno nv
SEE ABOVE PICTURE
depending on what the PART #9 is made from (mine is cast iron) you could have a pinhole leak through the casting. Mine wouldn't leak until it got to operating pressure. T'were a pain to find also.
depending on what the PART #9 is made from (mine is cast iron) you could have a pinhole leak through the casting. Mine wouldn't leak until it got to operating pressure. T'were a pain to find also.
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 9
From: Snohomish, WA
If you need the lower pipe (INLET) you need P/N 1C3Z8592AA which is straight. Cooling - Radiator and components - Thermostat hsng - Lower Straight - 7.3 liter turbo diesel 2001 - 2003. Cost is $22.80 through PartsGuyEd.com 
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