AURHTB002 — Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems
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What an assessment for AURHTB002 must cover
82 assessable components: 4 elements (17 performance criteria), 9 performance evidence and 49 knowledge evidence requirements, plus 7 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.
Elements & performance criteria
1 Prepare to diagnose and repair heavy vehicle hydraulic and air over hydraulic braking system
- 1.1Job requirements are determined according to workplace instructions
- 1.2Diagnostic information is sourced and interpreted
- 1.3Diagnostic options are analysed and those most appropriate to the circumstances are selected
- 1.4Hazards associated with the work are identified and risks are managed
- 1.5Diagnostic tools and equipment are selected and checked for serviceability
2 Diagnose braking system
- 2.1Diagnostic tests are carried out according to manufacturer specifications, workplace procedures and safety and environmental requirements
- 2.2Faults are identified from diagnostic test results and causes of faults are determined
- 2.3Diagnosis findings, including recommendations for necessary repairs or adjustments, are reported according to workplace procedures
3 Repair braking system
- 3.1Repair information is sourced and interpreted
- 3.2Repair options are analysed and those most appropriate to the circumstances are selected
- 3.3Repair tools, equipment and materials are selected and checked according to manufacturer procedures
- 3.4Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
- 3.5Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
4 Complete work processes
- 4.1Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use
- 4.2Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
- 4.3Tools and equipment are checked and stored according to workplace procedures
- 4.4Workplace documentation is processed according to workplace procedures
Performance evidence
- diagnose and repair a fault in a heavy vehicle hydraulic braking system, including:
- master cylinder and wheel cylinders
- disc and drum brake wheel end components
- parking brake
- diagnose and repair a fault in a heavy vehicle air over hydraulic braking system, including:
- disc and drum brake wheel end components
- air compressor, delivery and storage components
- foot valves
- parking brake
Knowledge evidence
- work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing heavy vehicle hydraulic and air over hydraulic braking systems, including procedures for:
- working safely with stored energy in springs and high air pressure systems
- managing and controlling brake dust and brake fluids
- removing and refitting wheel assemblies
- environmental procedures for trapping, storing and disposing of hazardous materials and substances released from braking systems, including brake fluids and brake dust and fibres
- operating principles of heavy vehicle hydraulic braking systems and associated components, including:
- levers
- friction
- pneumatics
- hydraulics
- Australian Design Rules ADR35 and ADR38 relating to repairing heavy vehicle brakes
- application, purpose and operation of heavy vehicle hydraulic and air over hydraulic braking systems and components, including:
- hydraulic braking systems, including:
- disc and caliper assemblies
- drum and lining assemblies
- master cylinder and boosters
- brake lines and hydraulic valves
- load compensating valves
- proportioning valves
- air over hydraulic braking systems, including:
- air storage
- brake valves
- air compressor
- brake lines and valves
- receiver drier
- parking brake systems
- diagnostic testing procedures for heavy vehicle hydraulic and air over hydraulic braking systems, including:
- air control system tests
- hydraulic system component inspection and evaluation
- air braking system component inspection and evaluation
- brake fluid tests
- parking brake operational tests
- drum and disc brake operational tests
- drum brake and shoes, disc and pad measurement and evaluation
- stationary and mobile performance tests
- repair procedures for heavy vehicle hydraulic and air over hydraulic braking systems, including:
- removal, replacement and adjustment procedures for hydraulic system components, including:
- disc and caliper assemblies
- drum and lining assemblies
- master cylinder and boosters
- brake lines and valves
- switches
- removal, replacement and adjustment procedures for hydraulic and air over hydraulic braking system components, including:
- brake valves
- air compressors
- air storage
- brake lines and valves
- receiver driers
- post-repair testing procedures for heavy vehicle hydraulic and air over hydraulic braking systems, including stationary and mobile performance tests
Foundation skills
- Learning skills: locate appropriate sources of information efficiently.
- Reading skills: interpret information from manufacturer and workshop literature when seeking braking system specifications and procedures.
- Writing skills: legibly and accurately fill out workplace documentation when reporting diagnostic findings, making repair recommendations, and recording parts and material used.
- Oral communication skills: clarify instructions; report diagnostic findings and make repair recommendations.
- Numeracy skills: measure braking system components and use basic mathematical operations, including addition and subtraction, to calculate distances, tolerances and deviations from manufacturer specifications.
- Planning and organising skills: plan own work requirements and prioritise actions to achieve required outcomes and ensure tasks are completed within workplace timeframes.
- Technology skills: use braking system diagnostic equipment and measuring equipment, such as vernier calipers, micrometers and brake drum micrometers.
Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.
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Questions about assessing AURHTB002
What does an assessment tool for AURHTB002 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURHTB002 needs to address all 82 unit components: 4 elements with 17 performance criteria, 9 performance evidence requirements, 49 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.
How does Auditori generate an assessment tool for AURHTB002?
Auditori pulls the current release of AURHTB002 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.
Is the first assessment tool really free?
Yes. Every new account includes one free credit — enough to generate the complete assessment tool for AURHTB002 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing AURHTB002 assessment instead of generating a new one?
Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of AURHTB002, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- AURHTB003 — Overhaul hydraulic and air over hydraulic braking system components
- AURHTB005 — Analyse and evaluate faults in heavy commercial vehicle braking systems
- AURHTB101 — Diagnose and repair heavy vehicle air braking systems
- AURHTB106 — Diagnose complex faults in heavy commercial vehicle braking systems
- AURHTB107 — Diagnose and repair heavy commercial vehicle electronic braking systems
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