General Motors has issued a new special coverage bulletin, tagged as N252508340, for certain units of the 2023 Chevy Silverado 1500 equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine. The ...
General Motors has released an urgent service update for certain units of the 2024 Chevy Silverado HD which may have contamination in the engine coolant, requiring a coolant flush and replacement of ...