Unit of competency Outline
Date retreived
23/07/2026 9:44 PM AWST
23/07/2026 9:44 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Overhaul torque converters
Overhaul torque converters
Unit of competency
National Code
AURTTX4011
AURTTX4011
State Code
WF456
WF456
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
08/07/2013
Field of Education
030503 - Vehicle Mechanics
Original Release Date
08/07/2013
Nominal Hours
25
Description
This unit describes the performance outcomes required to overhaul automatic transmission torque converters. It involves diagnosing deviations from correct operation, undertaking overhaul operations on torque converter components and associated systems, and post-overhaul testing procedures.Licencing, legislative, regulatory or certification requirements may apply to this unit in some jurisdictions. Users are advised to check with the relevant regulatory authority.
Notes
Elements and Performance Criteria
1. Prepare to overhaul torque converter
- 1.1. Workplace instructions are used to determine job requirements
- 1.2. Workplace health and safety (WHS) requirements are observed and applied throughout the work
- 1.3. Procedures and information are sourced and interpreted
- 1.4. Method options are analysed and those most appropriate to the circumstances are selected
- 1.5. Support equipment is identified and prepared
2. Dismantle torque converter and evaluate parts
- 2.1. Information is accessed and interpreted from manufacturer and component supplier specifications
- 2.2. Torque converter is dismantled using approved methods and equipment, according to manufacturer and component supplier procedures and without causing damage to components or system
- 2.3. Torque converter parts are cleaned in readiness for evaluation
- 2.4. Parts are checked for serviceability against manufacturer and component supplier specifications
- 2.5. Unserviceable parts are identified and a replacement parts list is raised
3. Carry out overhaul procedures
- 3.1. Torque converter components are machined, repaired or replaced to manufacturer or component supplier specifications and tolerances using approved methods and equipment
- 3.2. Torque converter is re-assembled to manufacturer or component supplier specifications and tolerances
4. Conduct post-overhaul testing
- 4.1. Torque converter is tested according to workplace procedures and manufacturer and component supplier specifications
- 4.2. Observations are noted and documented during the test
- 4.3. Results of test are analysed and serviceability of the torque converter is determined
- 4.4. Documentation of the analysis is completed
5. Prepare torque converter for use or storage
- 5.1. Torque converter is cleaned to workplace requirements
- 5.2. Final inspection is made to ensure work is to workplace expectations and torque converter is presented ready for use or storage
- 5.3. Tools and equipment are checked and stored
- 5.4. Job card is processed according to workplace procedures
RANGE STATEMENT
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Workplace instructions may include:
computer-generated instructions
verbal instructions
written instructions.
Job requirements may include:
customer needs
overhaul methods, processes and equipment.
Workplace health and safety requirements:
are those prescribed under legislation, regulations, codes of practice, and workplace policies and procedures
may include:
protective clothing and equipment
use of tools and equipment
handling of material
use of fire-fighting equipment
first aid equipment
hazard control, including control of hazardous materials and toxic substances.
Procedures and information may include:
verbal or written and graphical instructions
signage
work schedules, plans and specifications
work bulletins or memos
material safety data sheets (MSDS)
diagrams or sketches
safe work procedures relating to the overhaul of torque converters
regulatory and legislative requirements relating to automotive industry
Australian Design Rules
Engineer’s design specifications and instructions
organisational work specifications and requirements
instructions issued by authorised workplace or external persons
Australian standards
vehicle service requirements and repair manuals.
Method options may include:
component repair and adjustment
component replacement.
Support equipment may include:
cleaning machines
computer numerical controlled (CNC) or manual cut lathe
welding rigs.
Dismantling the torque converter may include:
cutting open the torque converter
cleaning
hub, piston, turbine and stator removal.
Machining, repairing or replacing torque converter components may include:
hub bearing surface area machining
front cover machining for bonding
piston preparation and machining for bonding
machining edge for relief for "0" stack height
stator dismantling and assembly
piston bonding
piston and turbine preparation and assembly
height check
hub welding
balancing procedures.
Testing the torque converter may include:
hub leak checking
end play clearance checking
pressure testing.
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Workplace instructions may include:
computer-generated instructions
verbal instructions
written instructions.
Job requirements may include:
customer needs
overhaul methods, processes and equipment.
Workplace health and safety requirements:
are those prescribed under legislation, regulations, codes of practice, and workplace policies and procedures
may include:
protective clothing and equipment
use of tools and equipment
handling of material
use of fire-fighting equipment
first aid equipment
hazard control, including control of hazardous materials and toxic substances.
Procedures and information may include:
verbal or written and graphical instructions
signage
work schedules, plans and specifications
work bulletins or memos
material safety data sheets (MSDS)
diagrams or sketches
safe work procedures relating to the overhaul of torque converters
regulatory and legislative requirements relating to automotive industry
Australian Design Rules
Engineer’s design specifications and instructions
organisational work specifications and requirements
instructions issued by authorised workplace or external persons
Australian standards
vehicle service requirements and repair manuals.
Method options may include:
component repair and adjustment
component replacement.
Support equipment may include:
cleaning machines
computer numerical controlled (CNC) or manual cut lathe
welding rigs.
Dismantling the torque converter may include:
cutting open the torque converter
cleaning
hub, piston, turbine and stator removal.
Machining, repairing or replacing torque converter components may include:
hub bearing surface area machining
front cover machining for bonding
piston preparation and machining for bonding
machining edge for relief for "0" stack height
stator dismantling and assembly
piston bonding
piston and turbine preparation and assembly
height check
hub welding
balancing procedures.
Testing the torque converter may include:
hub leak checking
end play clearance checking
pressure testing.
EVIDENCE GUIDE
The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, required Skills and Knowledge, the Range Statement and the Assessment Guidelines for the Training Package.
Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy all of the requirements of the performance criteria and required skills and knowledge.
A person who demonstrates competency in this unit must be able to:
observe safety procedures and requirements
select methods and techniques appropriate to the circumstances
complete preparatory activity in a systematic manner
overhaul a range of torque converters
conduct overhaul procedures according to workplace, manufacturer and component supplier requirements
present torque converter in a condition that complies with workplace expectations.
Context of, and specific resources for assessment
Competency is to be assessed in the workplace or a simulated workplace environment that accurately reflects performance in a real workplace setting.
Assessment is to occur:
using standard workplace practices and procedures
following safety requirements
applying environmental constraints.
Assessment is to comply with relevant:
regulatory requirements
Australian standards
industry codes of practice.
The following resources must be made available for the assessment of this unit:
workplace location or simulated workplace
torque converters to be overhauled relevant to the qualification being sought
equipment appropriate for the testing of torque converters
specifications and workplace instructions
tools appropriate for the overhaul of torque converters.
Method of assessment
Assessment must satisfy the endorsed Assessment Guidelines of this Training Package.
Assessment methods must confirm consistency and accuracy of performance (over time and in a range of workplace relevant contexts) together with the application of required skills and knowledge.
Assessment methods must be by direct observation of tasks and include questioning on required skills and knowledge to ensure correct interpretation and application.
Competence in this unit may be assessed in conjunction with other units which together form part of a holistic work role.
Where applicable, reasonable adjustment must be made to work environments and training situations to accommodate the needs of diverse clients.
Assessment processes and techniques must be culturally sensitive and appropriate to the language, literacy and numeracy capacity of the candidate and the work being performed.
The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, required Skills and Knowledge, the Range Statement and the Assessment Guidelines for the Training Package.
Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy all of the requirements of the performance criteria and required skills and knowledge.
A person who demonstrates competency in this unit must be able to:
observe safety procedures and requirements
select methods and techniques appropriate to the circumstances
complete preparatory activity in a systematic manner
overhaul a range of torque converters
conduct overhaul procedures according to workplace, manufacturer and component supplier requirements
present torque converter in a condition that complies with workplace expectations.
Context of, and specific resources for assessment
Competency is to be assessed in the workplace or a simulated workplace environment that accurately reflects performance in a real workplace setting.
Assessment is to occur:
using standard workplace practices and procedures
following safety requirements
applying environmental constraints.
Assessment is to comply with relevant:
regulatory requirements
Australian standards
industry codes of practice.
The following resources must be made available for the assessment of this unit:
workplace location or simulated workplace
torque converters to be overhauled relevant to the qualification being sought
equipment appropriate for the testing of torque converters
specifications and workplace instructions
tools appropriate for the overhaul of torque converters.
Method of assessment
Assessment must satisfy the endorsed Assessment Guidelines of this Training Package.
Assessment methods must confirm consistency and accuracy of performance (over time and in a range of workplace relevant contexts) together with the application of required skills and knowledge.
Assessment methods must be by direct observation of tasks and include questioning on required skills and knowledge to ensure correct interpretation and application.
Competence in this unit may be assessed in conjunction with other units which together form part of a holistic work role.
Where applicable, reasonable adjustment must be made to work environments and training situations to accommodate the needs of diverse clients.
Assessment processes and techniques must be culturally sensitive and appropriate to the language, literacy and numeracy capacity of the candidate and the work being performed.
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| AXA17 | AURTTX011 | Overhaul torque converters | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| J404 | AUR31612 | Certificate III in Automotive Drivetrain Technology | Qualification |