Water seperator - Ram 1500 Diesel Forum
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post #1 of 17 Old 07-09-2014, 10:17 PM Thread Starter
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Water seperator

Has anyone found it yet? Suppose to be over axle on drivers side???
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post #2 of 17 Old 07-10-2014, 07:45 AM
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Look right next to that huge muffler. It's in front of the rear passenger wheel.

Kind of a pain for a location to access. I guess you just loosen the screw to drain but have to remove the whole cap to change the fuel filter.

Plan on doing it at home and don't get water in there when you are in the water, mud etc. Crawling under to service would not be pleasant.
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post #3 of 17 Old 07-10-2014, 07:53 AM Thread Starter
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Geez, on my old 2500 with Cummins it was in the engine compartment. I use to drain the thing every fill-up.
Don't think I'll be crawling underneath truck when filling up on this one.
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post #4 of 17 Old 07-10-2014, 10:08 AM
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Top of the picture is the drive shaft. Bottom shows the rear of the muffler. Obviously you can see the separator above and between. Phillips head screw drains the water. Screw off the whole thing to change the filter.

I had an '04 Cummins for 241K. Know all about the water/fuel filter. They even had a valve you could just turn to drain the water or fuel, with a hose dropping it out so you could collect it.

Said it before ..."This is NOT a Cummins". There's pro and con to everything.
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post #5 of 17 Old 07-10-2014, 10:59 AM
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Good info, cheers boys. Quick question, How often on the Motori Trucks will the separator need to be drained?
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post #6 of 17 Old 07-10-2014, 12:08 PM
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Originally Posted by Accused View Post
Good info, cheers boys. Quick question, How often on the Motori Trucks will the separator need to be drained?
Quick question here too. When you take that yellow plug out do you get some water then the fluid stops, or do you get water, and then fuel and you have to watch for clean fuel then put the plug back in?
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post #7 of 17 Old 07-10-2014, 12:26 PM
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On my past and present Cummins I have drained the bowl into a clear glass jar, I have never seen water in fuel, so now I dont bother with it as much.

As much as I can, I go to the same places for fuel except when on trips where I get fuel right off the highway and where I see other trucks/truckers.

Do not get fuel after heavy rains, water goes to the bottom of the tank. Diesel has a specific gravity of 0.85 being it weighs about 85% of water.

Find a place where the diesel is used and not sitting in an underground tank for long periods of time.

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post #8 of 17 Old 07-10-2014, 02:16 PM
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Answers

How often do you drain it?

Never. Unless there's water in it. Change recommended interval is 30,000 miles.

What happens if you loosen the plug?

Water has more specific gravity (density) than diesel fuel. That means water sinks (drowning water???) in diesel. Good thing because when you crack the screw it's water first that comes out from the bottom.

You see fuel - STOP draining. Screw the screw (???) back in. Job done.
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post #9 of 17 Old 07-10-2014, 03:14 PM
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What happens if you loosen the plug?

Water has more specific gravity (density) than diesel fuel. That means water sinks (drowning water???) in diesel. Good thing because when you crack the screw it's water first that comes out from the bottom.

You see fuel - STOP draining. Screw the screw (???) back in. Job done.
That's what I thought, but thanks for the confirmation.
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post #10 of 17 Old 10-30-2014, 09:06 PM
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