Assessor Resource

AURLTD005
Diagnose and repair light vehicle suspension systems

Assessment tool

Version 1.0
Issue Date: March 2024


This unit describes the performance outcomes required to diagnose and repair faults in the suspension systems of light vehicles. It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.

It applies to those working in the automotive service and repair industry. The suspension systems include those in light vehicles, light commercial vehicles or outdoor power equipment.

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)



Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Elements

Elements describe the essential outcomes.

Performance Criteria

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.

1. Prepare to diagnose and repair light vehicle suspension system

1.1 Job requirements are determined from workplace instructions

1.2 Diagnostic information is sourced and interpreted

1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected

1.4 Hazards associated with the work are identified and risks are managed

1.5 Diagnostic tools and equipment are selected and checked for serviceability

2. Diagnose suspension system

2.1 Diagnostic tests are performed according to workplace procedures and safety requirements

2.2 Faults are identified from diagnostic test results and causes of faults are determined

2.3 Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments

3. Repair suspension system

3.1 Repair information is sourced and interpreted

3.2 Repair options are analysed and those most appropriate to the circumstances are selected

3.3 Repair tools, equipment and materials are selected and checked

3.4 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or system

3.5 Post-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

4.1 Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use

4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected

4.3 Tools and equipment are checked and stored according to workplace procedures

4.4 Workplace documentation is processed according to workplace procedures

Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

diagnose and repair a fault in a light vehicle MacPherson strut suspension system, in which the work must involve removing and refitting or replacing the MacPherson strut

diagnose and repair a fault in a light vehicle coil spring suspension system, in which the work must involve removing and refitting or replacing the coil spring

diagnose and repair a fault in one of the following suspension system components, in which the work must involve removing the spring component from the vehicle:

leaf spring suspension system

torsion bar suspension system

pneumatic suspension system.

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing light vehicle suspension systems, including procedures for:

working with stored energy in springs and torsion bars, including when removing tension from suspension components

moving heavy suspension components

operating principles of light vehicle suspension systems and associated components, including:

rigid and independent suspensions

sprung and unsprung mass

ride and curb height

application, purpose and operation of light vehicle suspension systems and components, including:

coil spring suspension, including:

types of coil springs and deflection rates

front coil spring suspension arrangements, including short arm and long arm suspension

rear coil spring suspension arrangements

strut or MacPherson suspension

leaf spring suspension

torsion bar suspension

multi-link suspension

hydraulic suspension

pneumatic suspension

suspension system components, including:

ball joint function and operation

stabiliser bar function and operation

Watts link and Panhard rod function and operation

independent rear suspension arrangements and operation

shock absorber function and operation, including:

gas-filled shock absorbers

strut or MacPherson shock absorbers

hub assemblies and bearing arrangements, including:

hubs with tapered roller bearings

hubs with unitised bearings

diagnostic testing procedures for light vehicle suspension systems, including procedures for analysing:

component wear

abnormal system noise

repair procedures for light vehicle suspension systems, including procedures for:

removing and replacing ball joints, suspension bushes, shock absorbers, MacPherson struts, coil springs, leaf springs and torsion bars

compressing coil springs

replacing and adjusting bearings for hubs with:

tapered roller bearings

unitised bearings

post-repair testing procedures for light vehicle suspension systems.

Assessors must satisfy NVR/AQTF assessor requirements.

Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.

Assessment must include direct observation of tasks.

Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the light vehicle suspension systems that they have worked on, e.g. repair orders.

Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.

The following resources must be made available:

automotive repair workplace or simulated workplace

workplace instructions

manufacturer suspension system specifications

light vehicles with faults in the suspension systems specified in the performance evidence

diagnostic equipment for light vehicle suspension systems

tools, equipment and materials appropriate for repairing light vehicle suspension systems.


Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Elements

Elements describe the essential outcomes.

Performance Criteria

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.

1. Prepare to diagnose and repair light vehicle suspension system

1.1 Job requirements are determined from workplace instructions

1.2 Diagnostic information is sourced and interpreted

1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected

1.4 Hazards associated with the work are identified and risks are managed

1.5 Diagnostic tools and equipment are selected and checked for serviceability

2. Diagnose suspension system

2.1 Diagnostic tests are performed according to workplace procedures and safety requirements

2.2 Faults are identified from diagnostic test results and causes of faults are determined

2.3 Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments

3. Repair suspension system

3.1 Repair information is sourced and interpreted

3.2 Repair options are analysed and those most appropriate to the circumstances are selected

3.3 Repair tools, equipment and materials are selected and checked

3.4 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or system

3.5 Post-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

4.1 Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use

4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected

4.3 Tools and equipment are checked and stored according to workplace procedures

4.4 Workplace documentation is processed according to workplace procedures

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

working with stored energy in springs and torsion bars, including when removing tension from suspension components

moving heavy suspension components.

Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

diagnose and repair a fault in a light vehicle MacPherson strut suspension system, in which the work must involve removing and refitting or replacing the MacPherson strut

diagnose and repair a fault in a light vehicle coil spring suspension system, in which the work must involve removing and refitting or replacing the coil spring

diagnose and repair a fault in one of the following suspension system components, in which the work must involve removing the spring component from the vehicle:

leaf spring suspension system

torsion bar suspension system

pneumatic suspension system.

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing light vehicle suspension systems, including procedures for:

working with stored energy in springs and torsion bars, including when removing tension from suspension components

moving heavy suspension components

operating principles of light vehicle suspension systems and associated components, including:

rigid and independent suspensions

sprung and unsprung mass

ride and curb height

application, purpose and operation of light vehicle suspension systems and components, including:

coil spring suspension, including:

types of coil springs and deflection rates

front coil spring suspension arrangements, including short arm and long arm suspension

rear coil spring suspension arrangements

strut or MacPherson suspension

leaf spring suspension

torsion bar suspension

multi-link suspension

hydraulic suspension

pneumatic suspension

suspension system components, including:

ball joint function and operation

stabiliser bar function and operation

Watts link and Panhard rod function and operation

independent rear suspension arrangements and operation

shock absorber function and operation, including:

gas-filled shock absorbers

strut or MacPherson shock absorbers

hub assemblies and bearing arrangements, including:

hubs with tapered roller bearings

hubs with unitised bearings

diagnostic testing procedures for light vehicle suspension systems, including procedures for analysing:

component wear

abnormal system noise

repair procedures for light vehicle suspension systems, including procedures for:

removing and replacing ball joints, suspension bushes, shock absorbers, MacPherson struts, coil springs, leaf springs and torsion bars

compressing coil springs

replacing and adjusting bearings for hubs with:

tapered roller bearings

unitised bearings

post-repair testing procedures for light vehicle suspension systems.

Assessors must satisfy NVR/AQTF assessor requirements.

Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.

Assessment must include direct observation of tasks.

Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the light vehicle suspension systems that they have worked on, e.g. repair orders.

Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.

The following resources must be made available:

automotive repair workplace or simulated workplace

workplace instructions

manufacturer suspension system specifications

light vehicles with faults in the suspension systems specified in the performance evidence

diagnostic equipment for light vehicle suspension systems

tools, equipment and materials appropriate for repairing light vehicle suspension systems.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Job requirements are determined from workplace instructions 
Diagnostic information is sourced and interpreted 
Diagnostic options are analysed and those most appropriate to the circumstances are selected 
Hazards associated with the work are identified and risks are managed 
Diagnostic tools and equipment are selected and checked for serviceability 
Diagnostic tests are performed according to workplace procedures and safety requirements 
Faults are identified from diagnostic test results and causes of faults are determined 
Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments 
Repair information is sourced and interpreted 
Repair options are analysed and those most appropriate to the circumstances are selected 
Repair tools, equipment and materials are selected and checked 
Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or system 
Post-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 
Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use 
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected 
Tools and equipment are checked and stored according to workplace procedures 
Workplace documentation is processed according to workplace procedures 
Job requirements are determined from workplace instructions 
Diagnostic information is sourced and interpreted 
Diagnostic options are analysed and those most appropriate to the circumstances are selected 
Hazards associated with the work are identified and risks are managed 
Diagnostic tools and equipment are selected and checked for serviceability 
Diagnostic tests are performed according to workplace procedures and safety requirements 
Faults are identified from diagnostic test results and causes of faults are determined 
Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments 
Repair information is sourced and interpreted 
Repair options are analysed and those most appropriate to the circumstances are selected 
Repair tools, equipment and materials are selected and checked 
Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or system 
Post-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 
Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use 
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected 
Tools and equipment are checked and stored according to workplace procedures 
Workplace documentation is processed according to workplace procedures 

Forms

Assessment Cover Sheet

AURLTD005 - Diagnose and repair light vehicle suspension systems
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

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Assessor name:

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Assessment Record Sheet

AURLTD005 - Diagnose and repair light vehicle suspension systems

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: