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Tune automobile engines to ensure proper and efficient functioning.
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Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
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Diagnose and replace or repair engine management systems or related sensors for flexible fuel vehicles (FFVs) with ignition timing, fuel rate, alcohol concentration, or air-to-fuel ratio malfunctions.
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Test drive vehicles and test components and systems, using equipment such as infrared engine analyzers, compression gauges, and computerized diagnostic devices.
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Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
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Change spark plugs, fuel filters, air filters, and batteries in hybrid electric vehicles.
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Follow checklists to ensure all important parts are examined, including belts, hoses, steering systems, spark plugs, brake and fuel systems, wheel bearings, and other potentially troublesome areas.
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Conduct visual inspections of compressed natural gas fuel systems to identify cracks, gouges, abrasions, discoloration, broken fibers, loose brackets, damaged gaskets, or other problems.
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Rewire ignition systems, lights, and instrument panels.
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Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
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Test and adjust repaired systems to meet manufacturers' performance specifications.
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Repair and service air conditioning, heating, engine cooling, and electrical systems.
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Repair or replace parts such as pistons, rods, gears, valves, and bearings.
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Inspect vehicles for damage and record findings so that necessary repairs can be made.
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Install, adjust, or repair hydraulic or electromagnetic automatic lift mechanisms used to raise and lower automobile windows, seats, and tops.
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Estimate costs of vehicle repair.
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Rebuild parts, such as crankshafts and cylinder blocks.
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Maintain cleanliness of work area.
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Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
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Repair or rebuild transmissions.
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Align vehicles' front ends.
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Repair, reline, replace, and adjust brakes.
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Perform routine and scheduled maintenance services, such as oil changes, lubrications, and tune-ups.
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Plan work procedures, using charts, technical manuals, and experience.
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Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
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Confer with customers to obtain descriptions of vehicle problems and to discuss work to be performed and future repair requirements.
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Align wheels, axles, frames, torsion bars, and steering mechanisms of automobiles, using special alignment equipment and wheel-balancing machines.
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Review work orders and discuss work with supervisors.
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Test electronic computer components in automobiles to ensure proper operation.
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Troubleshoot fuel, ignition, and emissions control systems, using electronic testing equipment.