I paid cash for two trucks, both failed.” A GMC owner exposes a 3.0L Duramax nightmare. Engines seizing at 6k miles, no loaners, and a denied buyback. If you own a 2023-2025 Sierra Diesel, you need to ...
The first-generation 3.0-liter LM2 Duramax diesel engine was a GM product manufactured in Michigan. The engine became the first diesel for GM's Chevy and GMC light-duty trucks since 1997, and the ...
Some units of the 2020 GMC Sierra 1500 pickup truck motivated by the 3.0L LM2 turbo-diesel Duramax engine may have a faulty cylinder 2 glow plug that can cause issues, according to a special coverage ...
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