If you are running a 6.7 Cummins engine, it is important to know how to delete the Def System on your engine. This article will teach you how to do this in a simple and easy way. First, remove the battery from your engine. Next, remove the air filter from your engine. Finally, remove the spark plugs from your engine. Now, take a screwdriver and pry open the top of the Def System cover on your engine. Once it is open, take out the two screws that hold the Def System in place. Now, take out the Def System by pulling it towards you with your hands until it pops out of its socket. Now, let go of theDef System and replace it with a new one if necessary.
