Demonstrate proficiency in the repair and diagnosis of: Engines, power train to include differentials, clutches, driveshafts, PTO's and wheel ends, Electrical systems including starters and alternators, HVAC systems, Steering systems, Electronics to include ECM's, ECU's, sensors etc., Engine bolt-on items such as turbos, fan clutches, injectors, cooling system etc., Brake systems including ABS, Suspension systems (spring and air). Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, and pressure gauges.