About

Bus and Truck Mechanics diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines. This occupation includes mechanics working primarily with automobile or marine diesel engines. Some bus and truck mechanics maintain vehicles. They change oil, check batteries, adjust brakes, and grease parts. They also clean or replace parts. They inspect and adjust vehicles' safety and protective features and check for loose bolts. Bus and truck mechanics repair vehicles that are not working properly. They read job orders to learn what work needs to be done on vehicles. They follow the factory guidelines for upgrading parts or tuning engines.