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Old Feb 20, 2011 | 12:25 PM
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Coolant filter

I plan on doing a coolant flush on my 2002 F250 7.3 PSD. Is it a good idea/necessary to install a coolant filter.

Thanks, Harley
 
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Old Feb 20, 2011 | 05:22 PM
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Can't hurt.
 
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Old Feb 20, 2011 | 09:04 PM
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Even PSD don't require regular SCA balancing, they advise to pour SCA balanced coolant into radiator. Commercial coolant filter is having SCA pack in it, that replenish wearing out chemicals. I bought the filter and housing at FleetPride since I am buying pars for my motorhome there.
Probably slight overkill on the engine, but mine is at 240k and I am planning to at least triple that.
 
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Old Feb 20, 2011 | 09:10 PM
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Necessary, no. Good idea, most likely. I put one on mine last year for peace of mind. International felt it necessary to design the engine with a water that had a built in filter, but ford removed it. The kit from diesel site basically does the same thing and was easy to install. http://www.dieselsite.com/index.asp?...WPROD&ProdID=8
 
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Old Feb 20, 2011 | 09:56 PM
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Read the warnings about using SCA charged filters.

http://www.dieselsite.com/index.asp?...ROD&ProdID=324
 
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Old Feb 21, 2011 | 07:34 AM
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Thanks all for the info.
 
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Old Feb 21, 2011 | 05:16 PM
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The info on dieselsite is not 100% accuarate - if you get the correct SCA precharged filter you won't "overcharge" the system as they suggest. Buy the Penray NF-2091 (or equiv- we run the NAPA cross to this P/N) which is sized for a 8-12 gal cooling system. We have 6 7.3's all running this setup - SCA ppm's come in @ 1100-1200ppm when tested at each oil change. Been running these for about 4yrs now with no issues. The KEY point is to test it regularly but so far none of ours has ever tested over 1200ppm. They usually run around 1100 5-6 months after the filter change. The Napa datasheet specifies the 4057 (cross ref) is for 8-9 gal systems & should be changed every 18months or 10k miles. We swap ours every other oil change which comes out to about 14months or roughly 12k - we go a little over on the mileage but are under on the months. We typ see about 1000ppm at the end right before the change. I like the fact that the filter maintains a pretty consistent SCA level right till the end. Some folks like to keep the SCAs on the low side @ 900ppm but if you aren't checking it regularly you can risk cavitation damage from low SCA levels which can cause trouble in the long haul
 
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Old Feb 21, 2011 | 06:01 PM
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Originally Posted by majkthreads
Can't hurt.


Unless it plugs up.
 
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Old Feb 21, 2011 | 06:24 PM
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Originally Posted by Snowseeker
Unless it plugs up.
Most systems will have a sampling setup which will bypass the filter should it become obstructed.
 
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Old Feb 21, 2011 | 11:40 PM
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Is this kit necessary for V10 also?
 
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Old Feb 21, 2011 | 11:50 PM
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From what I understand it's mainly a huge issue on 6.0Ls because of the oil cooler getting clogged and raising oil temps to levels than can damage the engine. Casting sand that wasn't cleaned out runs through the coolant side of the block and messes stuff up. I guess it could be a problem on any engine and a coolant filter will also catch scale and rust, but most of the traffic I've seen on FTE is guys who've lost an oil cooler putting them on the 6.0.

The DieselSite filter kit is a bypass setup that runs something like 10% of the coolant flow through the filter and returns it to the degas bottle. If it clogs, the main flow of the system isn't affected at all.
 
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Old Feb 22, 2011 | 12:52 AM
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Yup, mainly diesel engines. Your truck has a much simpler coolant system that does not involve the EGR system, which is one of the primary components that the filter kit is designed to help protect. You have a radiator/overflow tank and a waterpump that flows coolant through the heads, block, and intake. Powerstrokes have this system flowing through the EGR/exhaust system. EPA and Ford, I salute you on this design! For the sake of respect for other readers on this public forum, I will not specify which finger I salute you with, though.
 
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Old Feb 22, 2011 | 07:48 AM
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Originally Posted by texastech_diesel
From what I understand it's mainly a huge issue on 6.0Ls because of the oil cooler getting clogged and raising oil temps to levels than can damage the engine. Casting sand that wasn't cleaned out runs through the coolant side of the block and messes stuff up. I guess it could be a problem on any engine and a coolant filter will also catch scale and rust, but most of the traffic I've seen on FTE is guys who've lost an oil cooler putting them on the 6.0.

The DieselSite filter kit is a bypass setup that runs something like 10% of the coolant flow through the filter and returns it to the degas bottle. If it clogs, the main flow of the system isn't affected at all.


Yes, from what I have read the 6.0's should have a filter. But personally any other motor I would not have one. Just another thing to have possible problems with on the road.
 
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Old Feb 22, 2011 | 11:26 AM
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Thanks for reassurance.
I was under impression that although V10's blocks are cast aluminum and not cast iron,
there might be some crap left in them .
 
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Old Feb 22, 2011 | 12:50 PM
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Originally Posted by ZBIGBIG19TH
Thanks for reassurance.
I was under impression that although V10's blocks are cast aluminum and not cast iron,
there might be some crap left in them .
The V10 uses a cast iron block with aluminum heads. The V10s do not use an EGR system like the 6.0l and other diesels. The fact is the majority of V10s built prior to 2005 didn't even have EGR.
 
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