Occupation: Bus and Truck Mechanics and Diesel Engine Specialists

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.

49-3031.00 | 26 tasks | 10 job titles

Reported Job Titles

(10)
  • Bus Mechanic
  • Diesel Mechanic
  • Diesel Technician (Diesel Tech)
  • Fleet Mechanic
  • General Repair Mechanic
  • Heavy Truck Mechanic
  • Service Technician
  • Trailer Mechanic
  • Transit Mechanic
  • Truck Mechanic

Core Tasks

(23)
  • 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.
  • Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
  • Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
  • Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
  • Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
  • Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
  • Examine and adjust protective guards, loose bolts, and specified safety devices.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
  • Rewire ignition systems, lights, and instrument panels.
  • Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.
  • Diagnose and repair vehicle heating and cooling systems.
  • Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
  • Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
  • Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
  • Adjust or repair computer controlled exhaust emissions devices.
  • Rebuild gas or diesel engines.
  • Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
  • Recondition and replace parts, pistons, bearings, gears, and valves.
  • Install or repair accessories.
  • Repair or adjust seats, doors, or windows.
  • Dismount, mount, and repair or replace tires.
  • Align front ends and suspension systems.
  • Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.

Supplemental Tasks

(3)
  • Measure vehicle emissions to determine whether they are within acceptable limits.
  • Follow green operational practices involving conservation of water or energy or reduction of solid waste.
  • Operate valve-grinding machines to grind and reset valves.