Duties And Responsibilities Diagnose and repair a wide range of mechanical and electrical issues in trucks. Identify and fix various types of problems that can occur in cars and trucks. This includes but not limited to: Mechanical Issues Engine problems Transmission issues Suspensions and steering issues Brake problems Exhaust system Electrical Issues Battery, starter and alternator issues Electrical wiring and connections issues Electronic control module Climate control issues Capable of using diagnostic equipment Perform regular car and truck maintenance Responsible in explaining the car and truck issues and needed repairs.