Unit of competency Outline

Date retreived
22/07/2026 6:30 AM AWST

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Overhaul manual transmissions

Overhaul manual transmissions

Unit of competency
National Code
AURTTX008
State Code
AXA19
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
14/04/2016
View on TGA
State Implementation and Classification
Approved Date
13/07/2016
Field of Education
030503 - Vehicle Mechanics
Original Release Date
13/07/2016
Nominal Hours
32
Description
This unit describes the performance outcomes required to return a manual transmission to original manufacturer tolerances and clearances. It involves preparing for the task, dismantling and evaluating the transmission, carrying out the overhaul procedures, reassembling and testing the transmission, and completing workplace processes and documentation.It applies to those working on manual transmissions in vehicles from all sectors of the industry.No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1. Prepare to dismantle manual transmission
  • 1.1 Job requirements are determined from workplace instructions
  • 1.2 Dismantling information is sourced and interpreted
  • 1.3 Dismantling 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 Dismantling tools and equipment are selected and checked for serviceability
2. Dismantle and evaluate manual transmission and components
  • 2.1 Transmission is dismantled in a logical sequence according to manufacturer and workplace procedures, and safety and environmental requirements, and without causing unnecessary damage to components or systems
  • 2.2 Components are cleaned for evaluation according to workplace procedures and safety and environmental requirements
  • 2.3 Components are measured and compared with manufacturer specifications and serviceability is determined
  • 2.4 Component repair method is determined
  • 2.5 Unserviceable parts are identified and replacement parts sourced
3. Carry out overhaul
  • 3.1 Overhaul information is sourced and interpreted
  • 3.2 Overhaul options are analysed and those most appropriate to the circumstances are selected
  • 3.3 Overhaul tools and equipment are selected and checked for serviceability
  • 3.4 Components are machined, repaired and replaced as required, and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
4. Assemble transmission and components
  • 4.1 Transmission is assembled according to manufacturer specifications, workplace procedures, and safety and environmental requirements
  • 4.2 Tolerances and clearances are measured against manufacturer specifications and necessary adjustments are made
  • 4.3 Assembly of transmission is completed within workplace timeframes and without causing damage to other components or systems
  • 4.4 Post-assembly testing is carried out according to workplace procedures and safety and environmental requirements, and any problems detected as having been introduced during the assembly process are rectified
5. Complete work processes
  • 5.1 Final inspection is made to ensure work is to workplace expectations and transmission is presented ready for use or storage
  • 5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
  • 5.3 Tools and equipment are checked and stored according to workplace procedures
  • 5.4 Workplace documentation is processed according to workplace procedures
No information
No information
Replaces
State Code National Code Title Type
WF453 AURTTX4008 Overhaul transmissions (manual) Unit of competency