Changing water pump on OBS. Should I upgrade to IH with built-in filter? - Ford Powerstroke Diesel Forum
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Old 04-10-2012, 06:47 PM
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Changing water pump on OBS. Should I upgrade to IH with built-in filter?

At about 150k miles on the odometer my original water pump is leaking on my '96.

The previous owner changed to Rotella ELC at about 75k miles. Test strips say that all is good.

Adding a coolant filter was part of my future plans but it seems that installing an International Harvester pump with a built-in filter makes sense now.

Have any of you installed an IH water pump? And if so, would you share your experiences?

I recall reading that there is some grinding of part of the casting involved. Other than that, was this a direct swap using the same hoses and sensors etc?

Many thanks!!
Leo
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Old 04-10-2012, 09:28 PM
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Very worth it. You need 3 bolts, 2 fittings and a lower hose. If you search you can find all the info. Here is the only place that needs to be ground down. I used a end mill on mine. Only purchase oem international pump. I've heard of failures on the Gorman ones.




Make sure the pump has no casting numbers here. If it does you will need to grind that down too. Oem pulley fine. I also added the 6.0 fan while I was at it.

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Old 04-11-2012, 04:29 PM
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Quote:
Originally Posted by Got4wd View Post
I also added the 6.0 fan while I was at it.
Thanks!! Why the 6.0 fan?
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Old 04-11-2012, 07:09 PM
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Quote:
Originally Posted by leojr View Post
Thanks!! Why the 6.0 fan?
More cfm and 2-3 lbs lighter. You use the obs clutch and the 6.0 fan. So far it's kept it cooler in the warm months.
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Old 04-12-2012, 07:47 AM
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Does adding the filter make the system any harder to evacuate air from? And how often do you have to replace the filter?
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Old 04-12-2012, 09:50 AM
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Don't think your suppose to run ELC in an OBS. Just regular coolant with DCA additive.
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