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  1. Diesel General Discussion
    My new 2021 1500 Silverado baby diesel has run out of def. I have some in the truck just in case it dose respond in limp mode but I’ve gone >100 miles over empty and no response or warnings have happened yet. Seeing that I don’t know a thing about the def systems or how they work. If I do not...
    I'm looking for a duramax diesel truck that can pull fifth wheel. My son, heavy equipment operator Alaska, says I should look for a used one pre DEF. He says DEF tanks and pumps freeze, and break down. I live in North Dakota, so is a concern. Also wondering pros and cons of 2500 vs 3500 (single...
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