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Title / Remove and replace wheels and tyres, and balance wheels
Level / 2 / Credits / 2
Purpose / This unit standard is for people who wish to enter or are employed in the automotive repair industry. People credited with this unit standard are able to: remove and replace a wheel; interchange the wheels; determine the serviceability of a wheel and tyre; and balance a wheel and tyre assembly.
Classification / Motor Industry > Tyres
Available grade / Achieved
Explanatory notes
The following legislation, regulations, and their amendments are required to be consulted and followed where applicable:
Health and Safety in Employment Act, 1992;
Traffic Regulations, 1976;
Transport (Vehicle Standards) Regulations, 1990.
Outcomes and evidence requirements
Outcome 1
Remove and replace a wheel.
Evidence requirements
1.1Safe working practices are observed throughout the task.
Rangepersonal safety, safety of others, no damage to equipment, vehicle safety.
1.2The hub supporting the wheel is raised and supported so that the wheel is clear of the ground and the vehicle cannot slip.
1.3The wheel is removed without damage to the vehicle, wheel, and threads of the wheel nuts and studs.
1.4A replacement wheel and tyre combination is fitted of the same type and size as the one removed, and the nuts and studs tightened to the torque specified by the vehicle manufacturer.
1.5The support is removed and the vehicle lowered without damage to the vehicle.
Outcome 2
Interchange the wheels.
Evidence requirements
2.1Safe working practices are observed throughout the task.
Rangepersonal safety, safety of others, no damage to equipment, vehicle safety.
2.2The interchangeability of the wheels and tyres is determined.
Rangematching type and size of wheels and tyres, matching tyres by amount of wear.
2.3The play and roughness of the wheel bearings are checked, and if beyond manufacturer's specifications, reported to the supervisor.
2.4The wheels are removed, repositioned, and refitted in accordance with the servicing schedule and vehicle manufacturer's specifications.
Outcome 3
Determine the serviceability of a wheel and tyre.
Evidence requirements
3.1Safe working practices are observed throughout the task.
Rangepersonal safety, safety of others, no damage to equipment, vehicle safety.
3.2The tyre condition is checked, and its compliance with the Traffic Regulations is determined.
3.3A tyre and tube are removed from the wheel rim without damage to the tyre, tube, and wheel.
3.4The suitability of a tyre, tube, wheel, and valve for further use is determined.
Rangesuitable if no damage, suitable if repairable, not suitable if any irreparable damage.
Outcome 4
Balance a wheel and tyre assembly.
Evidence requirements
4.1Safe working practices are observed throughout the task.
Rangepersonal safety, safety of others, no damage to equipment. vehicle safety.
4.2The necessity for wheel balance is established from the supervisor.
4.3The dynamic balance of the wheel assembly is checked and adjusted to bring the balance within acceptable limits as detailed by the balancer manufacturer.
Replacement information / This unit standard and unit standard 3863 have been replaced by unit standard 21722 and unit standard 21869.This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 28 February 1993 / 31 December 2016
Review / 2 / 4 August 1995 / 31 December 2016
Revision / 3 / 30 October 1997 / 31 December 2016
Revision / 4 / 28 May 1998 / 31 December 2016
Review / 5 / 20 December 1998 / 31 December 2016
Revision / 6 / 13 March 2001 / 31 December 2016
Revision / 7 / 16 October 2003 / 31 December 2016
Rollover / 8 / 25 July 2006 / 31 December 2016
Rollover / 9 / 19 November 2010 / 31 December 2016
Rollover / 10 / 20 November 2015 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014
This CMR can be accessed at
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Consent requirements and an outline of the moderation system that applies to this standard are outlined in the Conesnt and Moderation Requirements (CMR). The CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
NZ Motor Industry Training Organisation (Incorporated)SSB Code 101542 / New Zealand Qualifications Authority 2018