Trinity Institute Australia

AUR31520 Certificate III in Automotive Diesel Engine Technology UPGRADE

(CRICOS Code: 107279B)


This qualification reflects the role of individuals who perform a range of tasks on a variety of diesel engines and associated systems in the automotive electrical service and repair industry.

Note: this course may involve the need to be able to lift and carry vehicle components

Trinity Institute (Australia) offers this upgrade course to students who have previously completed AUR30616 or AUR30620. You can become an diesel engine mechanic as well as a light vehicle auto mechanic! 21 of the units you already passed will be used to help you complete this qualification.

On successful completion of this course students are awarded AUR31520 Certificate III in Automotive Diesel Engine Technology.
No licensing applies to this qualification.

Course Duration
Trinity Institute (Australia) will deliver this qualification over 16-weeks: 12 weeks of training and assessment, and 4 weeks of holidays. Training and assessment occurs over 20 hours per week during terms. It is recommended that students spend an additional 7 hours per week on study, research, practice and assessment preparation.

Delivery Methods And Assessments
This course is conducted with a blended learning model that includes face-to-face learning in classrooms and in automotive workshops, interactive online/distance learning, and vocational placement. Assessments are conducted using a variety of methods. At the beginning of each unit you will receive details of assessment tasks to be completed. Class sessions are planned to ensure that students have a mixture of practical and theoretical components and those classes cater for a wide variety of learning styles. Workplace practices and environments are simulated within our fully functioning automotive workshops, which are also used to conduct skills based assessments.

Please contact Team Trinity for current course fees.

Payment terms and conditions are included in the International Student Handbook. Additionally a detailed payment plan and payment arrangements are provided in the letter of offer and written agreement which is provided to the student for their review and agreement prior to acceptance into the course. The agreement also includes details of additional fees and charges, which may be applicable.

International students are also required to take out Overseas Health Insurance Cover before arriving in Australia. Trinity Institute (Australia) provides details of OSHC providers in the International Student Handbook.

Additional costs associated with living in Australia are outlined in the International Student Handbook. Students should carefully review these costs in relation to budgeting. Further information can be found at

Entry into this upgrade offering is limited to students who have previously completed AUR30616 or AUR30620 Certificate III in Light Vehicle Mechanical Technology.

Entry into this program requires International Students to fulfil requirements as listed below:

  • Must be 18 years of age or over.
  • Completed year 12 (or equivalent); or
  • A Certificate III qualification or equivalent or above
  • Minimum 5.5 IELTS academic score or equivalent.

NOTE: Trinity Institute (Australia) conducts an entry interview with all prospective students to confirm details and ensure the course selected is the most appropriate for their needs.

NOTE: International students are required to hold Overseas Student Health Insurance cover for the duration of the course.

Credit and RPL are available to students with prior skills, experience, knowledge, or qualifications obtained from formal studies or training, in a related area. Recognition may reduce the duration of this course.

Equipment students should provide include

  • Students will be provided with a protective work shirt.
  • a laptop installed with Microsoft Office or similar,
  • protective work clothing (including boots)
  • textbook

Pathways For Students
After achieving this qualification, graduates may choose to undertake AUR40216 Certificate IV in Automotive
Mechanical Diagnosis. No licensing applies to this qualification.

Employment Pathway
Possible job titles relevant to this qualification include

  • Diesel engine repairer

To attain this qualification, 28 units of competency must be successfully completed. You have already completed 21 as part of AUR30616 or AUR30620.

These are remaining 7 units that form this upgrade course:

  • AURHTE102 Diagnose and repair heavy vehicle compression ignition engines
  • AURHTF102 Diagnose and repair heavy vehicle diesel fuel injection systems
  • AURTTM004 Assemble engine blocks and sub-assemblies
  • AURTTM008 Dismantle and evaluate engine blocks and sub-assemblies
  • AURTTM011 Recondition engine cylinder heads
  • AURETR124 Diagnose and repair compression ignition engine management systems
  • AUTTA009 Carry out mechanical pre-repair operations


At Trinity Institute (Australia), we are driven by our goal to empower our students to meet their full potential. We aim to do so by providing an effective learning environment that challenges and stimulates the minds of our students. We have found that learning is more effective when students enjoy themselves.


A college may be an academic entity, but its responsibilities go far beyond studies. Trinity Institute (Australia) recognises this, and endeavours to ensure that each and every student has the opportunity to develop themselves and become well-rounded individuals in the professional world. Our commitment to achieving this is evident in the strong work ethic of our teaching staff, our cultural mix and our emphasis on personal and academic development. We value the diverse background of our learners and demonstrate this in our teaching, curriculum and services.

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