DEF/UREA Check The Date - Page 2 - Chevy and GMC Duramax Diesel Forum
2011+ LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 04-25-2011, 11:38 AM   eBay Motors  #11 (permalink)
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I wondered about that up here where it gets down to around -20,-30 pretty regularly in the winter. Most of the loggers refuse to buy new diesels because of this stuff possibly freezing and causing problems with them 20-30 miles from the nearest highway in the middle of the woods. Has anyone had freeze related problems?
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Old 04-25-2011, 12:38 PM   eBay Motors  #12 (permalink)
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Regarding DEF shelf life, Air Shield by Valvoline doesn't date stamp the container but instead stamps a batch code. When I was checking into this with Valvoline they told me I could call them with the batch code and they would tell me the date. What a crock for a product that has shelf life sensitivity. Let's get them to change to a date stamp instead of batch code!
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Old 04-25-2011, 12:51 PM   eBay Motors  #13 (permalink)
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Quote:
Originally Posted by gripnriprod View Post
Regarding DEF shelf life, Air Shield by Valvoline doesn't date stamp the container but instead stamps a batch code. When I was checking into this with Valvoline they told me I could call them with the batch code and they would tell me the date. What a crock for a product that has shelf life sensitivity. Let's get them to change to a date stamp instead of batch code!
Power to the people!!!
probably should have a best before date---all other products that expire do.....

anyway, we had constant problem with the def equiped trucks this winter in northern labrador/quebec...... fro the chevys, peterbuilts etc they all had troubles and the intank heater isnt worth a damn at -50c....
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Old 04-25-2011, 01:34 PM   eBay Motors  #14 (permalink)
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Originally Posted by djmercer1 View Post
probably should have a best before date---all other products that expire do.....
but there is no set date at when it will go bad, it depends on the sotrage of it.

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Originally Posted by ironman_gq View Post
I wondered about that up here where it gets down to around -20,-30 pretty regularly in the winter. Most of the loggers refuse to buy new diesels because of this stuff possibly freezing and causing problems with them 20-30 miles from the nearest highway in the middle of the woods. Has anyone had freeze related problems?
yes there have been freezing related issues
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Old 04-28-2011, 11:31 AM   eBay Motors  #15 (permalink)
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I have purchased Peak Blue DEF and DEF from a local diesel shop and neither had "use by" or production dates on them. Guess I'll store it my basement where it stays cool all year long.


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Old 07-31-2011, 09:39 PM   eBay Motors  #16 (permalink)
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Thanx for the info
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Old 08-05-2011, 12:05 PM   eBay Motors  #17 (permalink)
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Bought a 2.5 gallon jug at Wallyworld last night with a March 2011 date. After I removed the cap, there was some dried-crystalized residue around the spout. I assumed this is normal but its the first time I've seen it so I thought I'd mention it.
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Old 08-05-2011, 12:11 PM   eBay Motors  #18 (permalink)
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That is normal.
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Old 08-13-2011, 10:34 AM   eBay Motors  #19 (permalink)
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Quote:
Originally Posted by domano 68 View Post
Bought a 2.5 gallon jug at Wallyworld last night with a March 2011 date. After I removed the cap, there was some dried-crystalized residue around the spout. I assumed this is normal but its the first time I've seen it so I thought I'd mention it.
What brand did you buy that had a date? Wally sells bluedef in Alaska and I haven't seen a date, just codes. The stuff crystallizes. I see it with whatever little I slop and miss wiping up.

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Old 08-15-2011, 05:29 AM   eBay Motors  #20 (permalink)
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some have dates some have codes you can call in and have them look up.
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