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Discussion Starter #1
Does the Def tank need to be drained/purged so it doesnt freeze in cold weather states? While running h&s delete tunes of cOurse....
 

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It gets pretty cold here and we simply remove our tanks. We have heard of UREA freezing and damaging the tanks, so its probably a good idea to at least drain them.
 

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Any others with first hand experience with those of you in the cold weather states? Best way to drain or purge the system? Id rather not remove the tank if possible.
 
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