Performs general maintenance and skilled repairs on equipment such as automobiles, light and medium trucks, emergency vehicles, motorcycles, and other small transportation, automotive and construction type equipment and vehicles; Inspects equipment for worn, damaged, or defective parts using visual evaluation, road tests, specialized electronic testing equipment, or other computerized diagnostic techniques to determine needed repairs and vehicle performance; Disassembles, repairs, re-assembles and adjusts front and rear axle assemblies, main drive shafts, transfer cases, clutches, and transmissions; Rebuilds or replaces defective or damaged automotive subassemblies; Rebuilds internal combustion engines, transmissions, and front and rear drive units; Repairs, and if necessary, replaces steering mechanisms and aligns wheels; Adjusts, repairs, resurfaces and replaces brake system components; Repairs exhaust, ignition, fuel and electrical systems; Conducts New York State safety inspections on vehicles; Tests automotive computer systems using electronic equipment; Performs work associated with the commissioning and decommissioning of vehicles; Prepares and maintains manual and computerized records and logs associated with vehicle maintenance, repair, labor (both direct and in-direct), and parts and materials used; Performs emergency road repairs, off-site repairs, and provides mobile tow service; Operates vehicles to verify symptoms and isolate problems, before and after repair and maintenance, to assure proper functioning; Communicates with repair staff from different shifts regarding on-going repairs; Performs minor cutting & welding; Leads, directs, and trains other Mechanics or Auto Aides. Incumbents in this classification perform computerized equipment diagnosis, repair, on-board resurfacing, overhaul, replacement, preventative and corrective maintenance, safety and emissions inspections, and road testing of vehicles and related component and sub-component parts and assemblies.