Good Sam Club Open Roads Forum: Hope this is OK for this forum - DEF question
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 > Hope this is OK for this forum - DEF question

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humblerb

houston

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Posted: 02/14/22 12:29pm Link  |  Quote  |  Print  |  Notify Moderator

For those of you with diesels in your truck, have you found a good fill spout for the 2.5 gallon jugs of DEF? I have tried two of the ones furnished with the DEF and both leaked.
I tried tightening and made sure the rubber vent was seated.
Still dripped down the side of my truck.

I am new to diesel engines.

Any suggestions or tips?

Thanks,

BurbMan

Indianapolis, IN

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Posted: 02/14/22 12:57pm Link  |  Quote  |  Print  |  Notify Moderator

I had the same problem until I figured out how to use the darn boxes...If you look at the plastic accordion spout that comes with the DEF box, you'll see next to where the spout exits the cap is a rubber piece with a slit in it, that's the vent that allows air in as the jug empties. The rubber slit has to be ABOVE the spout, regardless of how the box is oriented to the spout.

See here in this photo:

[image]

The vent slit is the black piece on the cap next to the base of the spout. the jug on the left you would hold somewhat "normally" when filling the tank. Now look at the jug on the right, you would need to hold it sideways to keep the vent ON TOP of the spout position.

Seems like the orientation of the vent is different on every jug when you screw the spout on. Just be sure to hold the jug in whatever position keeps the vent above the spout and you'll never spill a drop.

campinghut

Carstairs Alberta

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Posted: 02/14/22 02:19pm Link  |  Quote  |  Print  |  Notify Moderator

Ford makes one https://www.amazon.com/Motorcraft-NOZZLE-ASY-PM27N/dp/B008B5WVF8
as an example


Tim And Bev
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2oldman

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Posted: 02/14/22 03:04pm Link  |  Quote  |  Print  |  Notify Moderator

A better forum might be tow vehicles.

way2roll

Wilmington NC

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Posted: 02/14/22 03:32pm Link  |  Quote  |  Print  |  Notify Moderator

I have found that EVERY SINGLE jug of the stuff I've bought in a year has the spout threaded in a way that the rubber vent is at the bottom and causes leaking like you explained. EVERY ONE. I have unscrewed and screwed them so many times thinking I was doing something wrong. Nope. The way they are manufactured the vent ends up in the wrong place. The only way I found to deal with it is hold the bottle upside down in the most awkward way possible.


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Lantley

Ellicott City, Maryland

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Posted: 02/14/22 04:39pm Link  |  Quote  |  Print  |  Notify Moderator

I quit using the jugs and fill with DEF from a gas style pump at the fuel station.
It's cheaper, but more importanly there is no dripping or spilling.


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Cummins12V98

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Posted: 02/14/22 05:00pm Link  |  Quote  |  Print  |  Notify Moderator

No matter where you fill make sure you have some clean water to rinse off truck if needed. YES even at the truck stops as the nozzle still may not shut off or may burp some out.

Jamb the spout in fully and have the hose come away from the truck at a slightly upward angle with the box upside down. I never drip on truck this way. YES it may get a few drops on the ground, no biggie.

Should be moved to "Tow Vehicles".


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Retired JSO

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Posted: 02/14/22 05:28pm Link  |  Quote  |  Print  |  Notify Moderator

Having the same leaking trouble, I got a $11 battery powered pump from harbor freight. Can set the jug on a stool, dip the pump and hit the switch. Takes about 2 minutes, no fuss.
The Pump

* This post was edited 02/15/22 02:17pm by Retired JSO *





ssthrd

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Posted: 02/14/22 05:47pm Link  |  Quote  |  Print  |  Notify Moderator

I use a cheapo plastic siphon that I bought at Canadian Tire for a few bucks. On my GMC, the DEF filler is under the hood, so I set the jug on the radiator cross member, one end of the hose in the tank, the other in the jug, squeeze the bulb a couple of times, and Bob's yur uncle. No muss, no fuss. Takes just a few minutes to empty the jug.


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BB_TX

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Posted: 02/14/22 06:03pm Link  |  Quote  |  Print  |  Notify Moderator

Put a lot of those Blue DEF jugs in my truck over 9 years and never had one leak except one time when I thought it was screwed on tight, and it wasn’t. It was cross threaded. Just make sure the spout is screwed tight and not cross threaded. Location of vent didn’t seem to matter.

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