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Changing Fuel Filters

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Old Sep 13, 2012 | 12:27 PM
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Changing Fuel Filters

Gentleman,

I am preparing to change out my filters. I am pretty comfortable with my knowledge of doing the change, but I had a question about the lower filter/water catcher. Do you have to pull that drain plug to remove the water/fuel? I had heard that when you pull the cap off to change the filter all the contents will come out anyway....and that plug is there to drain the water without removing the filter if needbe...thoughts?

Cheers,
 
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Old Sep 13, 2012 | 01:08 PM
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I always pull the little plug and let it drain out. It's still gonna make a mess on the frame, and somehow you no matter where you position yourself if your luck is anything like mine, lol.
 
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Old Sep 13, 2012 | 01:15 PM
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Originally Posted by Tim C
I always pull the little plug and let it drain out. It's still gonna make a mess on the frame, and somehow you no matter where you position yourself if your luck is anything like mine, lol.
How about when it runs down into your armpit. I always drain it the best I can first.
 
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Old Sep 13, 2012 | 01:21 PM
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I hate changing the fuel filters. Kind of like a prostate exam, just something that has to be done. You can make your life a little easier by going to the upgraded drain plug. And a small fingered woman doctor helps too.
 
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Old Sep 13, 2012 | 01:40 PM
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I am asking is pulling that plug necassary? Is the fuel going to drain anyway when you pull the cap off to change the filter out?
 
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Old Sep 13, 2012 | 01:42 PM
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You have to pull the plug to drain the water separator. Pulling the filter doesn't drain out any water that's been removed from the fuel.
 
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Old Sep 13, 2012 | 01:49 PM
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start with less than half a tank of fuel. Do open the drain, and have the new improved one ready to install.
If you have 4WD, I understand this gets really difficult.
 
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Old Sep 13, 2012 | 02:02 PM
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Originally Posted by Idahoser
start with less than half a tank of fuel. Do open the drain, and have the new improved one ready to install.
If you have 4WD, I understand this gets really difficult.
I need to go on ahead and do it, so I will have to do it using the original one as of now. Doing it Saturday!
 
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Old Sep 13, 2012 | 02:02 PM
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Originally Posted by texastech_diesel
You have to pull the lug to drain the water separator. Pulling the filter doesn't drain out any water that's been removed from the fuel.
OK, thats what I was wondering...thanks!
 
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Old Sep 13, 2012 | 02:03 PM
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The drain plug will remove most of the diesel and any water that was trapped. You'll still get a pint to a quart total. I drain the lower first. Seems to use the upper to hold the fuel in the lines. My buddy 2010 lost 4 gallons changing the upper first then the lower. Another buddy 2010 also only lost a quart doing the lower first. Go figure.
You have the correct info. Drain water as nessecary (sp), change filters as scheduled.
 
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Old Sep 13, 2012 | 03:25 PM
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If you wait until you run the tank down to about a 1/4 tp 1/3 tank and park with a slight uphill incline, people seem to not get so much drainage..... yet again, some ALWAYS get a lot out..... it's a crapshoot!
 
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Old Sep 13, 2012 | 03:30 PM
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It is fun changing fuel filters with a full tank of fuel.
 
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Old Sep 13, 2012 | 04:02 PM
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Guess it depends on your tolerance of diesel fuel! Me, I'd rather shower with soap and water......
 
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Old Sep 13, 2012 | 04:05 PM
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I had some luck using aluminum foil to fashion a path for the diesel to drain to my pan.
 
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Old Sep 13, 2012 | 04:12 PM
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I thing I had about a gallon when I did the first change I also put the new plug in. Parked off the driveway on the rocks. Still a messy job.

Sean
 
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