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Bus and Truck Mechanics and Diesel Engine Specialists

Diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines. Includes mechanics working primarily with automobile or marine diesel engines.

Tasks
26 tasks23 core, 3 supplemental
Family
Installation, Maintenance & RepairOne of its 52 occupations
Code
49-3031.00SOC 2018: 49-3031

Read the 26 tasks Download this record as JSON

What the work is made of

23 core tasks and 3 supplemental, each quoted as published, with the survey it came from.

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Core: central to the jobSupplemental: done by some, not all

  1. Task 1. Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.Core taskTask 2981Rated by 81 people who do the job, August 2022
  2. Task 2. Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.Core taskTask 2982Rated by 80 people who do the job, August 2022
  3. Task 3. Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.Core taskTask 2985Rated by 81 people who do the job, August 2022
  4. Task 4. Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.Core taskTask 2984Rated by 81 people who do the job, August 2022
  5. Task 5. Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.Core taskTask 2991Rated by 80 people who do the job, August 2022
  6. Task 6. Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.Core taskTask 2983Rated by 82 people who do the job, August 2022
  7. Task 7. Examine and adjust protective guards, loose bolts, and specified safety devices.Core taskTask 2988Rated by 81 people who do the job, August 2022
  8. Task 8. Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.Core taskTask 2987Rated by 80 people who do the job, August 2022
  9. Task 9. Rewire ignition systems, lights, and instrument panels.Core taskTask 2992Rated by 82 people who do the job, August 2022
  10. Task 10. Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.Core taskTask 2986Rated by 82 people who do the job, August 2022
  11. Task 11. Diagnose and repair vehicle heating and cooling systems.Core taskTask 18582Rated by 80 people who do the job, August 2022
  12. Task 12. Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.Core taskTask 2995Rated by 80 people who do the job, August 2022
  13. Task 13. Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.Core taskTask 2989Rated by 78 people who do the job, August 2022
  14. Task 14. Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.Core taskTask 2996Rated by 79 people who do the job, August 2022
  15. Task 15. Adjust or repair computer controlled exhaust emissions devices.Core taskTask 19886Rated by 80 people who do the job, August 2022
  16. Task 16. Rebuild gas or diesel engines.Core taskTask 2997Rated by 79 people who do the job, August 2022
  17. Task 17. Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.Core taskTask 2990Rated by 80 people who do the job, August 2022
  18. Task 18. Recondition and replace parts, pistons, bearings, gears, and valves.Core taskTask 2993Rated by 81 people who do the job, August 2022
  19. Task 19. Install or repair accessories.Core taskTask 20453Rated by 80 people who do the job, August 2022
  20. Task 20. Repair or adjust seats, doors, or windows.Core taskTask 20454Rated by 81 people who do the job, August 2022
  21. Task 21. Dismount, mount, and repair or replace tires.Core taskTask 23955Rated by 81 people who do the job, August 2022
  22. Task 22. Align front ends and suspension systems.Core taskTask 2998Rated by 81 people who do the job, August 2022
  23. Task 23. Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.Core taskTask 19888Rated by 81 people who do the job, August 2022
  24. Task 24. Measure vehicle emissions to determine whether they are within acceptable limits.Supplemental taskTask 19889Rated by 79 people who do the job, August 2022
  25. Task 25. Follow green operational practices involving conservation of water or energy or reduction of solid waste.Supplemental taskTask 19887Rated by 79 people who do the job, August 2022
  26. Task 26. Operate valve-grinding machines to grind and reset valves.Supplemental taskTask 2999Rated by 79 people who do the job, August 2022

Where this comes from

Quoted from the U.S. Department of Labor, and credited. Nothing on this page is written by us.

How we copy and credit sources
  1. Published by
    O*NET 29.0, U.S. Department of LaborEmployment and Training Administration
  2. Classification
    Standard Occupational Classification 2018, 49-3031
  3. License
    CC BY 4.0Free to copy and reuse, with credit
  4. Changed by us
    Nothing.

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