Motor Mechanics Apprentice

Profile of Craft

Core SkillsMotor Mechanics

The work of a Motor Mechanic involves the servicing, maintenance and fault diagnosis of automobile and light commercial vehicle mechanical and electrical systems, vehicle component removal, installation or repair according to original manufacturers’ specification.

At the end of the apprenticeship, the craftsperson will be be able to demonstrate competence in the following skills:

Servicing

• Read, interpret and carry out manufacturers’ instructions for all vehicle service, maintenance and repair procedures.
• Complete a vehicle report form.

Fgas

• Describe the overall aim of Regulation No. 842/2006 of the European Parliament and of the Council of 17 May 2006 in relation to the air conditioning systems of automotive vehicles (MACs).
• List the dangers to personal health and related safety regulations related to the refrigerant gas contained in mobile air conditioning (MAC) systems.
• Describe the location of possible leaks of refrigerant gas from an automotive air conditioning unit.

Engine

• Diagnose faults, dismantle and reassemble the engine and its ancillary components.
• Replace timing belts and chains.
• Use all recommended bolt tightening procedures.

Electrical

• Read and interpret relevant electrical wiring diagrams.
• Use fault-code reader to interrogate ECU memory and OBD system.
• Employ a logical and structured fault diagnosis methodology (use of diagnostic flow charts).
• Measure and interpret quantities of electrical current, voltage and resistance.
• Diagnose and resolve faults in starter, charging and lighting circuits.
• Remove and replace vehicle lighting components.
• Align headlamps.

Fuel/Ignition

• Diagnose and resolve faults in electronically controlled fuel, ignition and emissions control systems.
• Evaluate exhaust emission levels with reference to NCT/DoT VTM test requirements.

Transmission

• Diagnose faults in manual transmission units.
• Remove and refit manual transmission units.
• Diagnose faults in clutch assemblies.
• Remove and replace clutch components.
• Remove and replace driveshaft joints and bearings.

Brakes

• Diagnose mechanical and hydraulic faults in the braking system.
• Remove and replace brake components.
• Employ manufacturers’ recommended service and bleeding procedures.

Specialist SkillsSteering/Suspension

• Diagnose faults in steering and suspension systems.
• Remove and replace steering and suspension components.
• Align suspension and steering geometry.
• Balance wheels.
• Repair punctures.

Bodywork

• Remove and replace bodywork components, e.g. door locks, windows and regulators.

Engine

• Carry out complete engine overhaul on automobile and light commercial vehicle petrol and diesel engines.

Electrical

Check operation of, diagnose any faults present, and return to original manufacturers’ specification:

• Standard, multi-voltage and high voltage systems.
• Inter-control module communication systems, e.g. CAN, LIN, VAN and MOST networks.
• Multiplex wiring.
• Climate control.
• Cruise control.
• Theft deterrence systems.
• Comfort systems, e.g. electric windows and seat/steering adjustment, sunroof, and central locking.

Fuel Systems

Check operation of, diagnose any faults present, and return to original manufacturers’ specification:

• High pressure petrol injection systems (e.g. GDI and MED-Motronic).
• High pressure diesel injection systems (e.g. common rail).

Transmission

• Check operation of, diagnose any faults present, overhaul and return to original manufacturers’ specification: manual, automatic or hybrid transmission assemblies.

Brakes

Check operation of, diagnose any faults present, and return to original manufacturers’ specification:

• ABS and EHB (Electro-Hydraulic Braking) systems.
• ESP (Electronic Stability Program).
• TCS (Traction Control System).
• ACC (Adaptive Cruise Control) systems.

Occupant Safety

Examine, diagnose any faults present, and return to original manufacturers’ specification:

• Vehicle occupant passive safety systems.
• Airbag systems.
• Belt tensioner systems.
• Rollover protection systems.

Communication and Information

Check operation of, diagnose any faults present, and return to original manufacturers’ specification:

• In-car entertainment systems.
• Telecommunication systems.
• Vehicle information systems, e.g. technical monitoring displays and GPS (Global Positioning System).

Mobile Air Conditioning (MAC) Systems

• Discuss and demonstrate best practice for handling F-gas storage cylinders.
• Demonstrate the safe recovery and disposal of F-gas.
• Perform full servicing of an air conditioning system of a motor vehicle, including:

Common SkillsServicing

• Read, interpret and carry out manufacturers’ instructions for all vehicle service, maintenance and repair procedures.
• Complete a vehicle report form.

NCT/DoT VTM

• Determine the condition of automotive vehicles to NCT/DoT VTM requirements.

Engine

• Diagnose faults and return to original manufacturers’ specification for petrol and diesel engines and their ancillary components.

Electrical

• Read and interpret relevant electrical wiring diagrams.
• Use fault-code reader to interrogate ECU memory and OBD system.
• Employ a logical and structured fault diagnosis methodology (use of diagnostic flow charts).
• Measure and interpret quantities of electrical current, voltage and resistance.
• Diagnose and resolve faults in starter, charging and lighting circuits.
• Remove and replace vehicle lighting components.
• Align headlamps.

Transmission

• Diagnose faults and return to original manufacturers’ specification for:

Brakes

• Diagnose faults and return to original manufacturers’ specification for brake friction linings.

Steering

• Diagnose faults and return to original manufacturers’ specification for steering linkage and geometry settings.

Bodywork

• Remove and replace bodywork components, e.g. door locks, windows and regulators.