GM Authority

Some 2020 GMC Sierra 1500 Duramax Diesel Units May Have Faulty Glow Plugs

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 ...
GM Authority

Some 2020 Chevy Silverado 1500 Duramax Diesel Units May Have Faulty Glow Plugs

GM has issued a special coverage bulletin for certain units of the 2020 Chevy Silverado 1500 equipped with the 3.0L LM2 turbodiesel Duramax engine that may have been produced with a faulty glow plug ...