NZQA Expiring unit standard
933 version 6
Page 1 of 3
Title
Diagnose and rectify exhaust system faults
Level
3
Credits
2
Purpose
This unit standard is for people in the automotive industry.
People credited with this unit standard are able to repair a
leaking exhaust system, and repair a noisy exhaust system.
Classification
Motor Industry > Automotive Fuel Systems and Exhaust
Available grade
Achieved
Entry information
Unit 230, Repair and manufacture automotive components by
oxy-acetylene gas welding, or demonstrate equivalent
knowledge and skills.
Critical health and
safety prerequisites
Explanatory notes
1
The following legislation, regulations, publication, and their amendments are required
to be consulted and followed where applicable:
– Health and Safety in Employment Act, 1992
– Traffic Regulations, 1976
– New Zealand Road Code, Land Transport Safety Authority.
2
Because of the particular nature of this unit standard, it is essential that the practical
assessment evidence is obtained from commercial jobs in the workplace under
normal workplace conditions.
Outcomes and evidence requirements
Outcome 1
Repair a leaking exhaust system.
Evidence requirements
1.1
Safe working practices are observed throughout the task.
Range
personal safety; safety of others; equipment, vehicle, and machine
safety.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
933 version 6
Page 2 of 3
1.2
The exhaust system is inspected, and any leaks are located and their source
identified.
1.3
Flange faults are rectified to prevent leakage.
1.4
Corroded and damaged parts are removed, replaced, and repaired to comply
with manufacturer's specifications.
Range
pipes, mufflers and/or catalytic converter, mountings.
Outcome 2
Repair a noisy exhaust system.
Range
noises other than those caused by leaking exhaust gas.
Evidence requirements
2.1
Safe working practices are observed throughout the task.
Range
personal safety; safety of others; equipment, vehicle, and machine
safety.
2.2
The vehicle is driven in compliance with the Road Code to reproduce the
offending noise, and to verify whether the noise is exhaust system sourced.
2.3
The exhaust system is checked for loose internal parts and blockages, and any
faults are rectified.
2.4
Damaged components and components that are not as specified, are replaced
to comply with manufacturer's specifications and Traffic Regulations.
2.5
The system is checked to ensure security of attachment.
2.6
System mounting points are checked to ensure that they are not faulty.
Range
transmitting noise, transmitting vibration, bound up, wrongly
located.
Replacement information
This unit standard, unit standard 5754 and unit standard
11738 have been replaced by unit standard 21678.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
NZ Motor Industry Training Organisation
(Incorporated)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
933 version 6
Page 3 of 3
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
29 October 1993
31 December 2016
Review
2
4 October 1996
31 December 2016
Review
3
26 February 1999
31 December 2016
Rollover
4
25 July 2006
31 December 2016
Rollover
5
19 November 2010
31 December 2016
Rollover
6
20 November 2015
31 December 2020
Consent and Moderation Requirements (CMR) reference
0014
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
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 2016