draining the fuel/water separator in neg temps? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 11 (permalink) Old 02-03-2009, 07:43 PM Thread Starter
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draining the fuel/water separator in neg temps?

can you drain the water separator when it's negative degrees out? or is the water gonna be frozen?
If not what if you drove it for awhile? Do you think the water would unthaw?
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post #2 of 11 (permalink) Old 02-03-2009, 08:21 PM
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only way to know would be to try

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post #3 of 11 (permalink) Old 02-03-2009, 09:14 PM
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Quote:
Originally Posted by listo View Post
can you drain the water separator when it's negative degrees out? or is the water gonna be frozen?
If not what if you drove it for awhile? Do you think the water would unthaw?
I'd think you could do it right after you've been driving
the truck for awhile. In other words, get the engine
warmed up, and the fuel should be flowing nicely. Then,
I'd guess the water in the bottom of the separator would
not be frozen. If it is frozen, then nothing will flow out
when you open the valve ...

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post #4 of 11 (permalink) Old 02-04-2009, 02:46 AM
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this a dum question I cant find them valve to dran the water I dident get all the way under the truck but I dident see it from laying under the drivers side door
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post #5 of 11 (permalink) Old 02-04-2009, 02:58 AM
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Its a yellow handle
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post #6 of 11 (permalink) Old 02-04-2009, 03:36 AM
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Ok it is yellow but were is it lol
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post #7 of 11 (permalink) Old 02-04-2009, 04:34 AM
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Ok it is yellow but were is it lol
crawl under the truck, drivers side- - follow the fuel line and or check the manual
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post #8 of 11 (permalink) Old 02-04-2009, 11:44 AM
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the manuel says that you do not have to drain it unless you see the indicator light come on in the dash.
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post #9 of 11 (permalink) Old 02-04-2009, 02:32 PM
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Originally Posted by bcjag72 View Post
the manuel says that you do not have to drain it unless you see the indicator light come on in the dash.
From what I recall, my manual states it should be drained every
30 days. I don't do it that much--I have really good diesel fuel
in my area.

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post #10 of 11 (permalink) Old 02-04-2009, 05:55 PM Thread Starter
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Quote:
Originally Posted by rod.10853 View Post
I'd think you could do it right after you've been driving
the truck for awhile. In other words, get the engine
warmed up, and the fuel should be flowing nicely. Then,
I'd guess the water in the bottom of the separator would
not be frozen. If it is frozen, then nothing will flow out
when you open the valve ...
ya that's what i figured too, just thought i'd ask and see if anyone has tried before i crawled under the truck. i think i'll wait for a warmer day anyway, dont wanna break off the little yellow plastic handle or anything. Supposed to be warm this week
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