General Motors has issued a new Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve. Owners may notice that their ...
Pacific Performance Engineering or PPE now offers a high-capacity air-to-water intercooler kit to boost the efficiency of the 2020-2023 GM 3.0L I6 LM2 turbodiesel Duramax engine, along with its ...