AUR40820 - Certificate IV in Automotive Mechanical Overhauling

Put your training and experience to use with ITEC’s RPL services and earn a nationally recognised qualification with a AUR40820 – Certificate IV in Automotive Mechanical Overhauling via our RTO partners.


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Qualification Description

This qualification covers the skills and knowledge required to perform advanced troubleshooting and repair operations in an automotive retail, service and repair environment.

Job roles and employment outcomes 

The Certificate IV in Automotive Mechanical Overhauling is intended to provide advanced training for automotive technicians who want to further develop their repair and technical skills.

Employment outcomes targeted by this qualification include:

  • automotive lead/master technician


This qualification is suitable for an Australian Apprenticeship pathway.

Pathways Information

Pathways from the qualification  

Further training pathways from this qualification include AUR50112 Diploma of Automotive Management and AUR50212 Diploma in Automotive Technology or other relevant qualifications.

Licensing/Regulatory Information

There are no specific licences that relate to this qualification. However, some units in this qualification may have licensing or regulatory requirements. Local regulations should be checked for details.

Entry Requirements

Those undertaking Certificate IV in Automotive Mechanical Overhauling are required to have completed an automotive mechanical Certificate III qualification or be able to demonstrate equivalent competency.

Employability Skills Summary


The following table contains a summary of the Employability Skills as identified by the automotive industry for this qualification. The Employability Skills facets described here are broad industry requirements that may vary depending on qualification packaging options.

Employability Skill 

Industry/enterprise requirements for this qualification include: 


§  clearly communicating workplace information and ideas with workplace colleagues (verbal and non-verbal), including use of automotive terms

§  completing workplace reports

§  using and contributing to workplace procedures

§  maintaining workplace records

§  communicating with colleagues and clients to handle verbal enquiries, such as clarifying instructions and responding to requests for information

§  interpreting the needs of customers

§  reading and interpreting workplace related documentation


§  identifying and describe own role and role of others

§  working within a team

§  working with diverse individuals and groups

§  applying knowledge of own role to complete activities efficiently to support team activities and tasks

Problem solving 

§  recognising a workplace problem or a potential problem and take action

§  determining problems needing priority action

§  referring problems outside area of responsibility to appropriate person and suggesting possible causes

§  seeking information and assistance as required to solve problems

§  using a range of problem-solving techniques

§  taking action to resolve concerns

§  developing practical responses to common breakdowns in workplace systems and procedures

Initiative and enterprise 

§  adapting to new and emerging situations in the workplace

§  being proactive and creative in responding to workplace problems, changes and challenges

Planning and organising 

§  planning own work requirements and prioritising actions to achieve required outcomes and ensure tasks are completed on time

§  identifying risk factors and taking action to minimise risk


§  selecting and using appropriate equipment, materials, processes and procedures

§  recognising limitations and seeking timely advice

§  planning own work requirements, setting own work program and managing time to ensure tasks are completed on time

§  following workplace documentation, such as codes of practice or operating procedures


§  asking questions to gain information

§  identifying sources of information, assistance and expert knowledge to expand knowledge, skills and understanding

§  participating in self-improvement activities

§  participating in development of workplace continuous improvement strategies

§  helping others develop competency


§  operating diagnostic and test equipment

§  performance testing of components, systems and equipment

§  using tools and equipment efficiently and safely

§  storing and caring for components, parts, tools, test equipment and support equipment

§  using business technology to collect, analyse and provide information

Packaging Rules

To be awarded this qualification, competency must be demonstrated in 10 units  of competency, consisting of:

  • 1core unit 


  • 9 elective units; of which:
  • up to 9 elective units may be chosen from the elective units listed below
  • up to 2 elective units may be chosen from a Certificate IV qualification or above in this Training Package, another endorsed Training Package or accredited course, provided that the units chosen contribute to the vocational outcome of this qualification and do not duplicate the outcome of another unit chosen for the qualification.

Core units  

Unit code 

Unit title 

Mechanical Miscellaneous – Technical  


Carry out diagnosis of complex system faults

Elective units  

Unit Code 

Unit Title 

Electrical – Technical – Electrical and Electronic 


Overhaul charging system alternators


Overhaul starting motors

Electrical – Technical – Air Conditioning and HVAC 


Overhaul air conditioning system components

Mechanical – Heavy Vehicle – Technical – Brakes 


Overhaul braking system components (heavy)


Overhaul air braking systems and components

Mechanical – Heavy Vehicle – Steering and Suspension 


Carry out wheel alignment operations (heavy vehicle)

Mechanical – Light Vehicle – Technical – Brakes 


Overhaul braking system components (light)

Mechanical – Light Vehicle – Technical – Steering and Suspension 


Carry out wheel alignment operations (light vehicle)

Motorsport – Technical 


Conduct non-destructive testing

Motorsport – Technical – Engines 


Test engines using a dynamometer

Outdoor Power Equipment – Technical – Engines 


Overhaul engines and engine components (outdoor power equipment)

Marine – Technical – Engines 


Overhaul two and four cycle outboard engines

Mechanical Miscellaneous – Technical – Steering and Suspension 


Overhaul steering system components

Mechanical Miscellaneous – Technical – Engines 


Overhaul engines and associated engine components

Mechanical Miscellaneous – Technical – Fuel Systems 


Overhaul diesel fuel injection systems


Overhaul petrol fuel system components

Mechanical Miscellaneous – Technical – Manufacture 


Operate and monitor computer numerical control machines


Repair bearing tunnels and connecting rods in engines


Apply metal to rebuild engine components


Assemble engine blocks and sub-assemblies


Balance rotating and reciprocating engine components


Perform advanced machining and blueprinting of engine components


Carry out grinding operations


Dismantle and evaluate engine blocks and sub-assemblies


Fit sleeves and bore and hone engine cylinders


Heat treat, straighten and reclaim engine components


Recondition engine cylinder heads

Mechanical Miscellaneous – Technical – Driveline and Final Drives 


Overhaul final drive assemblies

Mechanical Miscellaneous – Technical – Welding, Grinding, Machining and Soldering 


Carry out machining operations

Mechanical Miscellaneous – Technical – Transmission 


Overhaul clutch assemblies


Overhaul transmissions (manual)


Overhaul transmissions (automatic)


Overhaul transmissions (hydrostatic)

Interested in this qualification?

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    Free Skills Assessment

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    Portfolio of Experience

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    Evidence Review

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    You’re Qualified

    ITEC Australia is partnered with Registered Training Organisations whose qualifications are nationally recognised in Australia, and are the same as the qualification you would receive from full time study. Qualifications can also be useful for licensing or immigration purposes.