Welcome to Episode 4 of the 3.0 Duramax Podcast — built for new 3.0 Duramax (LZ0/LM2) owners and anyone using their truck for heavy-duty work like towing, long idling, or snowplowing.

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• The break-in period (what GM says at 500 miles vs real-world break-in expectations)

• When to tow, RPM limits, and what to avoid early on

• First oil change + rear differential break-in thoughts

• Regen explained (DPF self-cleaning): what you’ll notice, what’s normal, and what to do if a message appears

• DEF tips (how to avoid costly mistakes + storage/freshness basics)

• Reliability upgrades for extreme use: monitoring temps, charge air cooling, transmission cooling/capacity, and maintenance priorities

Drop your experience in the comments — especially if you’re a veteran owner — so we can keep building the strongest 3.0 Duramax community.