We may receive a commission on purchases made from links. The glow plugs in a diesel are like the spark plugs in a gasoline engine, but they function differently. The only similarities between glow ...

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 ...

If one breaks the head will have to come off and the plug will have to be machined out at huge expense. So first ask yourself if the job is really necessary. The fault might not be the glowplugs.

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 ...