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Old 01-30-2015, 10:39 AM
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Removing water from fuel filter

Hello, Jeep garage members. I should be taking delivery of my 2015 CRD early in February (Oct 14 order_). First a lot of thanks from everyone on this site for the education I have been getting about the Diesel and potential problem areas. I downloaded the Diesel supplement and have been reviewing it. One area I have a question on is the discussion on removing the water from the fuel filter if required. They talk like there is a drain plug to do this and it should be the driver doing this. Can anyone explain the process of how to do this. Somehow I don't see my wife doing this. But I'm somewhat mechanically inclined. Thank You Mikehttp://jeepgarage.org/images/smilies/confused.gif

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Old 01-30-2015, 07:07 PM
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If you end up putting Dom's injector protection plate on, you'll be under the vehicle looking around.

The drain is super easy to find, and it's super easy to get to. Draining it appears to be about as difficult as popping open the adult beverage required for jobs like this.
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Old 01-31-2015, 11:47 AM
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Re: Removing water from fuel filter

SCJEEPGC: How do you know when you have drained the water out of it. Is there an obvious color difference? MIke
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Old 01-31-2015, 12:33 PM
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Good question. What I just drained out smells like diesel, looks like diesel, and has the viscosity of diesel.

The plastic drain plug came out easily with a number 2 Phillips screwdriver. There's an o-ring that has to be cleared. It starts flowing quickly. The drain is about an arm's length under the drivers side of the vehicle, positioned about where the b-piller is.

I drained a little bit into a bucket, blue unfortunately. I don't have enough miles to have a ton of water in the filter, and I've been using only TopTier fuel brands, which hopefully isn't just a marketing ploy.

I haven't gotten a warning, so it's not a problem currently. Don't know how much water gets in the filter before the warning pops on. Am assuming a small plastic paint bucket would hold the contents.

Oh, and the cup of cheer was a hot coffee.
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Old 01-31-2015, 03:45 PM
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Re: Removing water from fuel filter

Bruce thanks for the input. Bruce I think the Top Tier designation is for gasoline. I make sure I use top tier in the Hemi Challenger, but when I fill up with Diesel in the future, I do not think top tier means anything. So as long as you go to a station where diesel flows quite a bit. You should be good to go. That's what I understand. Mike
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Old 01-31-2015, 08:40 PM
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I just drained mine and got about 32 oz of fluid. It smelled like diesel and was green in color. It looked like antifreeze. The viscosity was like watered down diesel which makes sense. I wasn't expecting to get that much water. There's just under 9k miles on the vehicle. Does that seem normal?
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Old 02-21-2015, 06:49 AM
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Re: Removing water from fuel filter

I was wondering about this on the Jeep as well. I never had a water in fuel light on my Dodge CTD or on the Jetta TDI in about 250k miles of driving. Most of that was in Arizona though, so I don't know if the drier climate contributed to less water in the Diesel fuel. I don't remember the process on the Jetta, but the Dodge had a quick drain valve under the hood on the bottom of the filter that is way easier to drain than the process I see here.
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Old 02-21-2015, 08:57 AM
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Re: Removing water from fuel filter

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Originally Posted by blackcoffee View Post
I just drained mine and got about 32 oz of fluid. It smelled like diesel and was green in color. It looked like antifreeze. The viscosity was like watered down diesel which makes sense. I wasn't expecting to get that much water. There's just under 9k miles on the vehicle. Does that seem normal?
Yeah, sounds normal like you didn't have any water. The watered-down diesel was most likely not watered down since diesel and water don't mix.
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