Ram 2500 water in fuel?

   / Ram 2500 water in fuel? #21  
I don't own a diesel truck, but isn't the specific gravity of diesel lighter than water? The water should be at the bottom.

EDIT: Ya beat me to it!
 
   / Ram 2500 water in fuel? #22  
You might try running a can or 2 of Seafoam thru your system it works great !! General rule I go by is to keep the fuel tank above 3/4 during the winter to help with conedensation....
 
   / Ram 2500 water in fuel? #23  
Josh, have you changed the fuel filter before? If you havent, make sure you prime it before you try to start it otherwise youll have to bleed the injection lines.

Not Picking on you. That engine is a common rail, do not attempt to bleed the injectors thy fire at a very high pressure, don't want anybody getting hurt/killed
 
   / Ram 2500 water in fuel? #24  
No, water would be on the bottom.That's why I open the drain at the filter housing from time to time.I installed a long hose on the drain so, I just drain into a pan and throw out.I really haven't looked for any water.Drain your fuel at the filter and I don't think you'll have ay problems,I don't have a fuel pressure gauge.I installed a light.If fuel pressure drops the light will come on


http://www.xtremediesel.com/bd-powe...tkitred.aspx?gclid=CIyL0KK2k7YCFUqoPAodmgIAkw
 
   / Ram 2500 water in fuel? #25  
SG of water is 1.0
SG of diesel is around 0.83
The sg's (specific gravities) of the liquids dictate how they layer out - the heavier one at the bottom and the lighter (smaller number) will be on the top.
That means diesel fuel will stay above the water. Your photograph doesnt show much at all I'm afraid.

I would be inclined to drain a gallon or two out of the fuel tank and transfer into a large clear pickle jar or similar and let it stand for several hours. Any water will settle to the bottom of the jar. If you do have water in your fuel then you will see it - the water being at the bottom of the container.
HTH
Jim
 
   / Ram 2500 water in fuel?
  • Thread Starter
#26  
Well, that shows what I know! Here's a shot of the bottom of the vial. This is a small sample of maybe a cup that I pulled from the fuel filter.
 

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   / Ram 2500 water in fuel? #27  
If you can look down into your fuel tank, water will usually show up as blackish shiny globs on the bottom of your tank... show up real good if you can shine a light down in there....
 
   / Ram 2500 water in fuel? #28  
from that pic.I don't see anything that looks like water.I get water in my tractor filter bowl all the time for some reason. Drain the filter housing from time to time and use a quality fuel filter.Alot of guys on the diesel site use Balwin fuel filter for the micron rating
 
   / Ram 2500 water in fuel?
  • Thread Starter
#29  
So let me ask an indelicate question: why did the dealer say I had water in the fuel and propose between $700 and $4700 in repairs? I realize that you're not psychic, and I won't hold you to your answer. It sure seems to me like, "water in fuel" vs "no water in fuel" is pretty cut-and-dried, but maybe it isn't. Maybe one sample can have water and another sample won't.

The thing is, I have no experience in this area, but I do have experience as an expert who troubleshoots complex systems. I know that there are times when an expert can make a reasonable diagnosis that turns out to be wrong, because things aren't always cut-and-dried in the real world. At the same time, I know that there are times when an expert can make a plausible diagnosis that results in lots of charges to the customer, and is reasonably defensible if it turns out to be wrong later. And, of course, there are also cases of out-and-out fraud. If the dealer is right, and there was water in my fuel, I need to figure out how it got there and take appropriate steps to remediate. But the engine runs fine once it starts, I changed my filter about 10k miles ago, and there was no water in the sample that I pulled from the filter. So what's up?
 
   / Ram 2500 water in fuel? #30  
Maybe you got a bad batch of fuel at the last fuel up. It wouldn't be the first time that has happened to someone.

Sorry if I missed something that ruled that out already.
 

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