Fuel/water separator filter turning black
09-05-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #10
RE: Fuel/water separator filter turning black
(09-05-2020 )Chamberpains Wrote:  What do these filter restriction gauges look like and where are they located? I kind of like the idea of having a quick check indicator on the fuel lines.

When they come with a restriction gauge from the factory, KW usually T into the Davco outlet fitting and run -4 size hose to the cab.
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 Thanks given by: Chamberpains
09-05-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #11
RE: Fuel/water separator filter turning black
Mine is a gauge in the dash from the factory, it is electronic. Sending unit for gauge is mounted on my paccar fuel filter housing.


User's Signature: 2015 Kenworth T660
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 Thanks given by: Chamberpains
09-05-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #12
RE: Fuel/water separator filter turning black
Mines turns the filter black as well. Glad to hear its normal.
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09-05-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #13
RE: Fuel/water separator filter turning black
I’m glad as well to hear that it is normal. Thanks for everyone’s input. I have the oem fuel filter gauge as well, I thought that was for the fuel filter not the water separator?
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09-06-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #14
RE: Fuel/water separator filter turning black
My filter doesn't go black. Darker but not black. Every couple months I fill full tanks with shock dose Biocide before parking for my days off to let it work.
Also fuel supplier can have bad fuel. Once got something like green slime covered filter after fueling.
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 Thanks given by: Waterloo , JimT
09-06-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #15
RE: Fuel/water separator filter turning black
Mine stays clean, but I am picky about where I purchase fuel. Only straight diesel, no bio or whatever else outfits like Flying J and Pilot pollute their fuel with. I primarily purchase from TA and Petro.


User's Signature: 2008 ProStar, OEM 600hp CM-871, 18spd, 3:42, in framed in Rawze's driveway. Every day is a fresh new episode of, "The Twilight Zone"... Rod Serling lives rent free in my head. I can smell the Chesterfields.
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09-06-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #16
RE: Fuel/water separator filter turning black
TA is the only fuel through these filters.
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 Thanks given by: Waterloo
09-06-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #17
RE: Fuel/water separator filter turning black
(09-06-2020 )Explosia Wrote:  TA is the only fuel through these filters.

I'll have to eyeball mine, I just changed it out not long ago, 10 micron Fleetguard.


User's Signature: 2008 ProStar, OEM 600hp CM-871, 18spd, 3:42, in framed in Rawze's driveway. Every day is a fresh new episode of, "The Twilight Zone"... Rod Serling lives rent free in my head. I can smell the Chesterfields.
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09-06-2020, (Subject: Fuel/water separator filter turning black ) 
Post: #18
RE: Fuel/water separator filter turning black
I used to haul fuel, bio is not always a choice of fueling station but rather the State mandate for where it's located. For example Minnesota from April to October I believe,is 20 percent bio, mandated and October to April 10 percent
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 Thanks given by: Waterloo , Pd6cas2 , JimT




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