Thread: New truck
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Old 09-04-2019, 08:54 PM   #45
Montana Master
Join Date: Feb 2008
Location: Winthrop Harbor
Posts: 1,765
M.O.C. #8160
Originally Posted by Joe in Texas View Post
Just purchased a 2019 RAM 2500 diesel.... replace the 2005 RAM

I am new to DEF....
how big is my DEF tank?
How often do I refill the tank?
I bulk from gas station pumps or the 2 1/2 bottles from auto supply stores?
The auto store label brand or the national label brands ??

I’ll let the more experienced answer this but..
Watch the expiration date on the 2 1/2 gal containers. My understanding is there’s a one year shelf life.
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