Sending Unit Screen Assembly Broken Off -- Trend Obvious - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 09-17-2019, 06:12 AM Thread Starter
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Sending Unit Screen Assembly Broken Off -- Trend Obvious

Interesting factoid - so both of the last two Mid-Aft diesel tanks I've worked on (cleaning, water algae removal) had broken off screen assemblies. Each was broken at the same point --- the intersection where the "down pipe" meets up with the screen assembly -- essentially at the perpendicular "T" point. It's pretty obvious that the material thickness at the screen housing where it mates at the "T" needs to be "built up" / thickened -- the existing Motorcraft parts are very thin at this point.

They were both original Motorcraft parts (2003 SRW and 2007 DRW SuperDutys). The result of these failures was that the sending units couldn't pick up the last few gallons of diesel at the bottom of the tank and clearly weren't filtering garbage. The "good news" if any is that water that normally collects on the bottom of these tanks won't make it's way as readily to the HFCM. The bad news is there's probably a reasonably high likelihood many other Powerstrokes out there have broken off factory screen assemblies.

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Last edited by 2003 Ford F350; 09-17-2019 at 09:08 AM.
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post #2 of 8 Old 09-17-2019, 06:59 AM
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Its a pretty known topic, most would find it by searching 1/4 tank issues via google.

I believe we should sump all things.

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So says the internet... ...and so it shall be.
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OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #3 of 8 Old 09-17-2019, 09:35 AM Thread Starter
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Sump pumps, while technically superior, just won't work here on the farm or for 4x4s that "encounter" all sorts of things. Hanging something down in the "air stream" is asking for problems - in fact, I believe (in my case) the Motorcraft "accordian" / "bellows" fuel screen/pickups "bought the farm" "encountering" things on the farm, trail hitting the outside of the plastic tank then "overcompressing" those "bellows" on the bottom of the sending unit. I've thought about adding "lift" to these vehicles but have owned many lifted vehicles that just handled badly post the mods.

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post #4 of 8 Old 09-17-2019, 10:04 AM
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Maybe you just need a skid plate :thumbsup:

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post #5 of 8 Old 09-17-2019, 11:15 AM
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I hear ya, but I dont.
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Patriot and Hydro like this.

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Quote:
Originally Posted by djmaguire View Post
So says the internet... ...and so it shall be.
Quote:
Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #6 of 8 Old 09-17-2019, 12:51 PM
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I have known of a LOT of sumps put in on our 6.0's. I have not heard of one suffering failure from impact damage. Maybe it has happened, just that I haven't heard of it. Same for the oil drain fumoto valves.
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post #7 of 8 Old 09-17-2019, 09:04 PM
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What he said.
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post #8 of 8 Old 09-18-2019, 04:58 AM
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Everyone is worried, except for the people running them.

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Quote:
Originally Posted by djmaguire View Post
So says the internet... ...and so it shall be.
Quote:
Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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