General Motors has issued a service update for certain units of the refreshed GMC Sierra 1500 pickup equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine and non-ETRS transmission due to a problem ...
General Motors is warning owners of almost 800,000 2010-12 vehicles that they may need oil changes more frequently than the onboard oil monitoring systems are telling them. After high warranty claims ...