husk
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I'm a new diesel owner...if I don't have a WIF light, but just want to be prudent, should I open the drain on the fuel filter once in awhile to drain out any water?
Or, should I wait for the WIF light?........if I wait for the light, is there still time to pull over, and shut off the engine..then drain the water?
Any advice on what is safe and prudent to do is appreciated.....thanks.
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NewsW
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Rule of thumb... do a drain every oil change regardless of whether the WIF indicator is lit.
If it ever lights, stop immediately and drain water.
Repeat if light comes back on.
Filter area only hold about a coke can's worth of water, so if you got a few gallons of water, it takes a lot of draining to get it out.
Repeat again if light comes back on.
Often, contaminated fuel means a few gallons of water -- you can't clear that with just a quick drain.
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transamz9
Lawrenceburg Ky
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husk wrote:I'm a new diesel owner...if I don't have a WIF light, but just want to be prudent, should I open the drain on the fuel filter once in awhile to drain out any water?
Or, should I wait for the WIF light?........if I wait for the light, is there still time to pull over, and shut off the engine..then drain the water?
Any advice on what is safe and prudent to do is appreciated.....thanks.
What truck and motor do you have? I drain and change filter every oil change on my Ram. 10-15,000 miles.
2005 RAM 2500 Cummins/2011 Sandpiper 345 RET/2008 Nitro Z9 Mecury 250 PRO XS
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agesilaus
North Florida
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I usually do it every couple of fill ups. With a new Ford and maybe a GM you have to keep water out of the high pressure fuel pump. Ford has reportedly denied warranty coverage if they find signs of water in the fuel system (rust particles)
Glendale Titanium 29E34TS fifth wheel
2012 Ford F-350 4WD Lariat 6.7L
PullRite OE Series Super5th 18K
Superbumper
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rhagfo
Portland, OR
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Done on an irregular basis, as I have never found any water!!
Russ & Paula
The Beagles Hedwig and Precious.
Portland, OR.
2005 Copper Canyon 293 FWSLS
2001 Dodge 2500 4X4, 5.9 Cummins 5 speed, 3.55 gears, Pacbrake, Power Puck, 258K
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husk
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I'm the OP..sorry, my engine is the 5.9L Cummins..
There is a yellow lever on the fuel filter...the owners manual is poor in describing what to do..I believe the lever is rotated counter-clockwise to open the drain..then closed back up when the water is gone..
I have also been told to not drain "much" because if the fuel drains out, the engine won't start...comments on that welcomed.
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husk
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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..
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NewsW
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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..
Filter is only speced to hold about a coke can's worth.
What do you do when there is a lot more water in the tank?
It is only intended to deal with water in fuel that do not exceed ASTM specs.
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hmknightnc
Wilmington, NC
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husk wrote:I'm the OP..sorry, my engine is the 5.9L Cummins..
There is a yellow lever on the fuel filter...the owners manual is poor in describing what to do..I believe the lever is rotated counter-clockwise to open the drain..then closed back up when the water is gone..
I have also been told to not drain "much" because if the fuel drains out, the engine won't start...comments on that welcomed.
Which 5.9 do you have? If it is the common rail 5.9 then you have to drain the filter housing in order to replace the filter so any water will be purged that was in the housing. Also if common rail you simply cycle the ignition switch a couple of times to refill the filter and then start normally so you can drain the entire canister if you want to. I have the 2006 5.9 common rail.
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husk
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hmknightnc wrote:husk wrote:I'm the OP..sorry, my engine is the 5.9L Cummins..
There is a yellow lever on the fuel filter...the owners manual is poor in describing what to do..I believe the lever is rotated counter-clockwise to open the drain..then closed back up when the water is gone..
I have also been told to not drain "much" because if the fuel drains out, the engine won't start...comments on that welcomed.
Which 5.9 do you have? If it is the common rail 5.9 then you have to drain the filter housing in order to replace the filter so any water will be purged that was in the housing. Also if common rail you simply cycle the ignition switch a couple of times to refill the filter and then start normally so you can drain the entire canister if you want to. I have the 2006 5.9 common rail.
thanks for this reply...yes, mine is a 2006 common rail system. I believe I understand the "water" situation better now.......thanks to everyone.
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