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'08 Water Separator issue

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Old Sep 23, 2024 | 08:44 PM
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BarnieTrk
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From: Stanton, Michigan, USA
'08 Water Separator issue

Fellow 6.4L Fans:
I am unable to turn the lever on the water separator valve to drain any water out of the unit. If I remove the sensor, won't its removal also allow the same thing and drain most all water from the unit? I realize it is located slightly higher than the drain, which may prevent a slight amount of water from being drained.....but getting most out is better than none........
Thanks in Advance, Guys!
BarnieTrk
 
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Old Sep 23, 2024 | 10:00 PM
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Honestly your best bet here is to remove the whole fuel pump module and bring it to the bench and clean it really well, take the side off and you’ll find a massive snot thing where the WIF sensor is and the drain hole is. Generally if your getting WIF messages and draining it doesn’t help it’s because a pile of crap builds up and turns into a snot ball that confuses the sensor.

Motorcraft CG810 is the gasket set you’ll need.
 
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Old Sep 24, 2024 | 08:20 PM
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ifrythings,
Thanks for the reply.
I hear what you're saying, and that does sound like the thing to do and I will likely do just that..... for some reason I am just very apprehensive that I will screw something up when I take it apart. I do not have a WIF dash icon lit, so this effort is just because I can't move the lever and I fear as to how long the lever has been froze up before I bought her. I am not having any symptoms of WIF, so..... This ol' girl is one tough ol' broad - but she is sooooo rusty underneath, I am worried to wrench on much without snapping/breaking/twisting something off.
I have a set of fuel line disconnect tools on order and hopefully I'll have them by the weekend.....then maybe I'll take the dive into dropping the front driveshaft and removing the whole fuel filter/drain unit.

BarnieTrk

 
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Old Sep 24, 2024 | 11:09 PM
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You shouldn’t need any disconnect tools, the lines have blue release tabs that you push in (top and bottom) and just pull the line off.



 
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Old Sep 25, 2024 | 07:38 PM
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BarnieTrk
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ifrythings,

SWEET - blue buttons - that is really good to know!
Can you tell me if I should expect a fuel oil bath once I start disconnecting the four lines?
Will the disconnected lines start to gravity siphon out lots of fuel?
If so, is there anything I can do to limit how much fuel they dump?
I am sure the line connectors are original to this truck - can I expect them to still be good/leakproof if I was to re-attach them to the cleaned up unit - or should I plan on replacing the connectors with new ones?
Thanks in Advance for your guidance, my Friend!
BarnieTrk
 
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Old Sep 26, 2024 | 12:18 AM
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Plan for a fuel bath as you can’t drain the fuel out of the fuel pump module or the fuel filter on the engine, the lines could syphon on you, I’ve heard it’s less likely the emptier the tank is. The lines should reseal, there is I believe 2 o-rings in each connector, not sure on size but they resealed for me the few times I’ve done this, be gentle to the lines so you don’t kink the plastic line part and possibly crack it.

Always try and clean the connectors out before you remove them, brake clean into the ends, twist the lines a bit back and forth, wiggle, push the blue buttons a few times to help loosen any stuck dirt, brake clean again then pull them off.
 
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Old Sep 26, 2024 | 07:48 PM
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BarnieTrk
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ifrythings,
Thanks for the heads up on the possibility of getting a fuel bath and to be careful with pre-cleaning the connectors and not kinking them. I'm aiming at a Saturday AM tackle with this task! Wish me luck!

BarnieTrk

 
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