Diagnose, adjust and repair various types of truck equipment, including but not limited to: electrical/brake/cooling systems, starters/alternators, AC systems, fan clutches, engine electronics, diesel steering systems, gas and diesel engines, manual and automatic transmissions, clutches, differentials, etc. Use hand tools, precision instruments, lift and jacks, welding equipment, diagnostic tools, technology and testing equipment, such as handheld computers and pressure gauges, to inspect, test and troubleshoot vehicle systems.