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 > How often to drain fuel filter of water

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Old-Biscuit

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Posted: 08/10/12 09:17pm Link  |  Quote  |  Print  |  Notify Moderator

rhagfo wrote:

Done on an irregular basis, as I have never found any water!!


Are you draining it into a glass jar and then letting it sit for awhile so that the water & fuel can separate?


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Posted: 08/10/12 09:57pm Link  |  Quote  |  Print  |  Notify Moderator

Old-Biscuit wrote:

rhagfo wrote:

Done on an irregular basis, as I have never found any water!!


Are you draining it into a glass jar and then letting it sit for awhile so that the water & fuel can separate?


I am just trying to learn.........isn't a water/fuel separater part of the filter system? I thought the water would be at the bottom of the filter cannister, and the yellow valve there would drain the water first......is that right?

Many years ago, when I was a boy, and driving a tractor on our farm, the old tractors had a glass sediment bowl below the fuel tank...sediment and water would collect in this bowl...when you saw it was half-full or so, there was a petcock to shut off the fuel tank, then remove the bowl and empty out the water.....does the separater act something like that?

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Posted: 08/10/12 10:52pm Link  |  Quote  |  Print  |  Notify Moderator

I guess the bad news is if you get a large amount of water when you fill up, you need to have the tank drained as the filter just can not do the job. I wouldn't worry until the computer tells you to drain the filter, and maybe drain it when you change the oil if you don't change the fuel filter then.


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Posted: 08/10/12 11:07pm Link  |  Quote  |  Print  |  Notify Moderator

I actually drain it like once a month! At least I mean It's super easy and dosen't take but 5 minutes of your time!

reddwar

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Posted: 08/11/12 12:09am Link  |  Quote  |  Print  |  Notify Moderator

We have a 07 5.9. I talked to a lot of shop guys before we got our Dodge. I was told if I would drain the fuel filter every third fill up, I should not have any injector problems. I let it drain while I fill up every third tank, so does it work? Don't know but have not had any problems, got 110K. So will keep doing it.

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Posted: 08/11/12 04:18am Link  |  Quote  |  Print  |  Notify Moderator

I,ve had five diesel engines and not one time have I ever drained the water port. never had a engine problem.

snowdance

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Posted: 08/11/12 05:40am Link  |  Quote  |  Print  |  Notify Moderator

The whole water thing in service stations goes back to the 60s-70's when stations had in ground tanks and no filters on the pump systems. It was not uncommon to get water in fuel. However now fuel filters at the service stations are a must by law. And most of the old mom and pop stations are gone along with their old fuel that set in the tanks for months.. But the drains on the filters are a must for rigs used in the field, like fire, construction, farmers ect. They are still filing from tanks that sweat and put water in the fuel.. Those fueling in normal stations will like as not never see water in their fuel..


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Dave H M

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Posted: 08/11/12 06:32am Link  |  Quote  |  Print  |  Notify Moderator

snowdance wrote:

The whole water thing in service stations goes back to the 60s-70's when stations had in ground tanks and no filters on the pump systems. It was not uncommon to get water in fuel. However now fuel filters at the service stations are a must by law. And most of the old mom and pop stations are gone along with their old fuel that set in the tanks for months.. But the drains on the filters are a must for rigs used in the field, like fire, construction, farmers ect. They are still filing from tanks that sweat and put water in the fuel.. Those fueling in normal stations will like as not never see water in their fuel..


I agree, I never saw a drop in 13 years.

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Posted: 08/11/12 06:36am Link  |  Quote  |  Print  |  Notify Moderator

rhagfo wrote:

Done on an irregular basis, as I have never found any water!!


x2!

Do it every oil change anyway, just in case.


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Posted: 08/11/12 06:40am Link  |  Quote  |  Print  |  Notify Moderator

husk wrote:

I know this is going to seem like a dumb question to experienced guys..if a shop has recently replaced the fuel filter, then by the very act of replacing the filter, any water in that resevoir would be drained, right? I can't imagine any shop leaving water there when they replace the filter, but I haven't changed a filter yet..


The fuel filters now days are cartridge filters. On my 5.9 it is mounted on the side of the motor. When you remove the top off of the housing and pull the filter out the fuel/water stays in the bowl. You have to drain that. When you turn your key on , it will fill it back up. On the Ford 6.0 you have two filters. One on the top of the motor that has the fuel pressure regulator built into it and one on the driver side frame rail. the on on the frame rail has a small plug in the bottom of the housing that has to be removed to drain the water. there is a small bowl in the housing that catches the water. This design was piss poor on Fords part for a couple reasons. The filter sits in this housing horizontal. The plug that you have to remove to drain the housing is bad about stripping out. It is expensive to fix. Some people just remove the filter and not drain through the plug. Two things happen. One is it makes an uncontrollable mess and the other is that it does not get all of the water out.


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