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Transmission Technicians

demand occupation icon
This is a Demand OccupationA Demand Occupation is defined as follows.

The hierarchy for qualification is the Regional Demand
(the occupation had a entry wage equal to or greater
than 90% of the Economic Development Region (EDR) negotiated
wage as an average of all LWIA’s in the EDR AND at
least 25 annual average job openings in the EDR);
State Wide (the occupation qualified for at least
5 of the Regional Demands and thus was added to all
ten EDR lists); Career Cluster (the occupation is
listed on at least one of the six career clusters
Illinois has identified as priority [data is available
under the career clusters on the The National
Association of State Directors of Career Technical
Education Consortium website at ]), and Regional
Request (an LWIA received approval of a request to
add an occupation code to its EDR list based on substantiative
data and information supporting a need in the region).
NOTE: Only those occupations with a Source of Regional
Demand or State Wide will be eligible for incentive
bonus award under the Minimum Training Expenditure
policy requirements.

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Transmission Technicians - Occupation Overview

  • Some specialize in an area of repair
  • May work nights and weekends
  • Use a variety of tools and techniques
  • Train through formal programs or on the job
  • Most become certified in one or more of eight service areas
  • Often are paid a flat rate or by commission
  • About 18 percent are self-employed
  • Earn $35,627 per year (Illinois median)
  • Earn $36,610 per year (national median)

Automobile mechanics inspect, maintain, and repair cars and light trucks.

Auto mechanics examine belts, hoses, plugs, brakes, and fuel systems. They may install or repair accessories, such as heaters and windshield wipers. They inspect and lubricate engines and parts. They tune engines to use less fuel.

Auto mechanics talk to owners to find out what problems the car is having. They examine cars and try to eliminate simple things that could cause the problem. Sometimes they test drive cars to observe their performance. They use a variety of testing equipment, such as hand-held diagnostic computers and compression gauges.

Once the problem is identified, mechanics make adjustments or repairs. Sometimes they replace or rebuild damaged parts. For large repairs, mechanics estimate the cost and get the customer's approval before doing any work.

Auto mechanics use a variety of tools, including:

  • Power tools
  • Machine tools
  • Welding and flame-cutting equipment
  • Jacks and hoists
  • Common hand tools
  • Electronic equipment

Automobile mechanics are also called service technicians. Those in small shops must know about all areas of car repair. Those who work in large shops may specialize in one or more areas, such as:

Automatic transmission
Automatic transmission technicians work on gear trains, hydraulic pumps, and other parts of a transmission.

Bio-diesel technicians may remove old fuel tanks to install new fuel systems. They convert cars that use regular gasoline to use bio-diesel, ethanol, methane, or other fuels.

Tune-up technicians adjust timing and valves, and adjust or replace spark plugs and fuel systems.

Front-end mechanics align and balance wheels and repair steering and suspension systems.

Brake repair
Brake repairers adjust brakes and replace brake linings and pads. They also service regenerative braking systems in hybrid vehicles.


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