Automotive, truck and bus mechanics and technicians perform some or all of the following duties:

Motor Vehicle Mechanics:

• Verify the orders and discuss with the supervisor the work to be carried out;
• Observing engine running, testing the vehicle on the road and checking vehicle components and circuits using computerized diagnostic equipment and other equipment to identify and isolate defects;
• Regulate, repair or replace, by means of hand tools or other special equipment, defective parts or components of various vehicle systems, such as the fuel system, braking system, steering and suspension mechanisms , Engine and powerplant, exhaust system and emission control system, air conditioning and temperature control systems of the passenger compartment and electrical and electronic systems;
• Test the repaired systems and adjust them according to the manufacturer’s specifications;
• Carry out periodic maintenance operations such as oil change, lubrication and tuning;
• Discuss with the customer the operations carried out, the general state of the vehicle and the repairs to be made in the future.

Motor vehicle repairers:

• Check and test mechanical systems such as engines, transmissions, axles and brake systems to locate defects and imperfections;
• Identify the cause of the defect or malfunction and verify the diagnosis with the supervisor to determine whether the parts are repairable or should be replaced;
• Repare or replace defective components or components using manual or mechanical tools;
• Testing and adjusting components according to specifications to ensure proper operation;
• Refill a report to record the defects and the work performed.

Truck and Trailer Mechanics:

• Regulate, repair or replace parts and components of truck systems, including chassis, frame, cab, body, engine and power train, fuel system, air brakes, Steering and hydraulic, electrical and electronic systems;
• Adjust, repair or replace parts and components of heavy truck systems, including structural, electrical and braking systems.

Truck and Trailer Mechanics:

• A high school diploma is usually required.
• A four-year apprenticeship program in transportation truck mechanics or truck trailers or over four years of hands-on experience, and college or industrial courses in transportation truck mechanics are required to obtain the Certificate of qualification.
• A certificate of qualification as a truck and transport mechanic is mandatory in Nova Scotia and Ontario and is offered, although voluntary, in Newfoundland and Labrador, Prince Edward Island, New Brunswick, Quebec, Manitoba, Saskatchewan, British Columbia and the Yukon.
• A certificate of qualification as a truck trailer repairer is mandatory in Ontario and is offered, although voluntary, in Newfoundland and Labrador, Nova Scotia, Prince Edward Island, New Brunswick , Manitoba, British Columbia and the Yukon.
• Truck trailer repairers and qualified truck and truck mechanics can obtain interprovincial certification of occupations (Red Seal).