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Old 10-15-2015, 08:06 PM   #41
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Huh??

Boowho??


https://www.google.com/?gws_rd=ssl#q=def+delete

Running a diesel engine without def is totally doable.
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Old 10-15-2015, 08:10 PM   #42
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I own a 2007 chev. Duramax diesel, do I have one of these DEF tanks. I don't see any gauge showing this or any kind of a alarm.
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Old 10-15-2015, 08:12 PM   #43
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Just crossed this and I'll clear up a few things........DEF will crystalize if left out or the tank goes dry. The crystals will dissolve once more (liquid) DEF is added. The DEF will freeze. It's unavoidable in cold weather. The tanks/ pumps and lines are designed for this. Once the engine is shut down you will hear a pump run, that's the DEF being pumped back to tank so it doesn't freeze in the lines or pump. The tanks are designed so they can't be filled to the top to allow the freezing DEF somewhere to expand. DEF has a shelf life, which on the upper end is around 2 years in perfect conditions, approx. 60-65F. Anything higher will reduce shelf life down to approx. 2 months at 104F ambient.

In my 6.7 Ford I wait until it tells me it wants DEF, and then add 2.5 gals. My work truck (12 Pete with PX8) I add 5 gals once the gauge hits 1/4 (10 gal tank). No need to keep the tanks full.
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Old 10-15-2015, 08:13 PM   #44
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I own a 2007 chev. Duramax diesel, do I have one of these DEF tanks. I don't see any gauge showing this or any kind of a alarm.

No I believe DEF is 2010 and after



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Old 10-15-2015, 08:34 PM   #45
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DEF is 2010 and after
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Old 10-15-2015, 08:50 PM   #46
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The FL chassis has a heater in the def tank so if you run your RV in winter for those not fortunate enough to be in Florida the def will liquefy quickly.


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Old 10-15-2015, 09:11 PM   #47
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It can be 122 deg's here in phoenix so DEF doesn't last long but yet it does.... Odd stuff. Packaging on the 2.5 gal will say store below x degree and we never get that cool in summer! Oh well, it's what we get living in a convection oven!


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Old 10-15-2015, 09:25 PM   #48
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https://www.google.com/?gws_rd=ssl#q=def+delete

Running a diesel engine without def is totally doable.

Oh....
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Old 10-15-2015, 09:59 PM   #49
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Just order that software from Volkswagen.



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Old 10-15-2015, 10:34 PM   #50
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NICE!


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Old 10-15-2015, 10:49 PM   #51
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Oh....
I like your Harvey Korman quote from Blazing Saddles, but I have always thought Cleavon Little's (Bart) response when he was told "l heard you were hung" and he said "I am."was the funniest line in the complete movie.

Great movie.
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Old 10-16-2015, 07:39 AM   #52
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I like your Harvey Korman quote from Blazing Saddles, but I have always thought Cleavon Little's (Bart) response when he was told "l heard you were hung" and he said "I am."was the funniest line in the complete movie.



Great movie.

Me too!



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Old 10-16-2015, 07:59 AM   #53
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Be careful,,,, DEF has a shelf life of about two years. If you keep topping your tank off you'll have old fluid in there. There's even a 'born on' date on the containers so youll know how fresh it is.
X2 Between spring and fall when I am using my truck a lot, for trips, I top off the tank. During the winter months I do not top off the tank so all the old DEF will mostly gets used up. In winter if you do top off you want to be careful not to overfill the tank, since DEF freezes and will crack the tank if there is no room for it to expand.
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Old 10-16-2015, 01:46 PM   #54
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I like your Harvey Korman quote from Blazing Saddles, but I have always thought Cleavon Little's (Bart) response when he was told "l heard you were hung" and he said "I am."was the funniest line in the complete movie.

Great movie.
Well, did you know that this line was in the original script, but was cut?

Madeline Khan : "It's twoo, it's twoo". (It's true, it's true)

Clevon Little: : "Easy baby, you're sucking on my elbow".

Boowho??
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Old 10-16-2015, 02:08 PM   #55
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BW - no,I didn't know that. I would of loved to hear that in the movie.

Mel Brooks is one of the greatest comedy writers in the would IMO. Even at 89 years old.
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Old 10-17-2015, 03:38 PM   #56
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I picked up 2 1/2 gallons of DEF today just in case this happens to us! Thanks for the heads-up!
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Old 10-17-2015, 04:29 PM   #57
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I picked up 2 1/2 gallons of DEF today just in case this happens to us! Thanks for the heads-up!

Just a heads up, a $15.00 battery pump will make life much simpler. Wait till you try and pour the DEF from the jug to the tank. Click image for larger version

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Old 10-17-2015, 04:32 PM   #58
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I'm cheap I have a hand pump that cost $7. LOL
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Old 10-17-2015, 04:32 PM   #59
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Have to get me one of them.
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Old 10-17-2015, 04:36 PM   #60
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Make sure you run a couple of gallons of clean water through the pump when finished so the DEF doesn't crystallize. Just clean water, nothing else.


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