NZQA Expiring unit standard
Title
24336 version 2
Page 1 of 3
Demonstrate knowledge of light vehicle automatic transmissions and their servicing requirements
Level
Purpose
3 Credits 2
This unit standard is for people in the automotive repair industry. People credited with this unit standard are able to demonstrate knowledge of automatic transmission operation and their servicing requirements.
Classification Motor Industry > Automotive Transmission Systems
Available grade Achieved
Explanatory notes
1 Definitions
Light vehicle refers to classes as listed from Land Transport New Zealand website table http://www.landtransport.govt.nz/publications/infosheets/infosheet-1-
10.html#classes : passenger vehicle MA, MB, MC; omnibus MD, MD1, MD2; and goods vehicle NA.
Service information may include but is not limited to
– technical information of a vehicle, machine, or product detailing operation; installation and servicing procedures; manufacturer instructions and specifications; technical terms and descriptions; and detailed illustrations. This can be accessed in hard copy or electronic format and is normally sourced from the manufacturer.
2 This unit standard can lead on to Unit 919, Demonstrate knowledge of light vehicle automatic transmission components, and fault diagnosis procedures .
Outcome 1
Demonstrate knowledge of automatic transmission operation.
Evidence requirements
1.1 Transmission construction is described in accordance with service information.
Range features, identification of components, layout of components; inline, transaxle.
1.2 Transmission operation in each selection is described in accordance with service information.
MITO New Zealand Incorporated
SSB Code 101542

New Zealand Qualifications Authority 2020 New Zealand Qualifications Aut

NZQA Expiring unit standard
Range parking range, reverse range, neutral, drive ranges.
24336 version 2
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1.3 Functions of components are identified in accordance with service information.
Range includes but is not limited to – planetary gear sets, hydraulic system, seals and gaskets, torque converter, shift control
(computer controls; non-computerised controls
– governor, vacuum modulator, throttle cable).
Outcome 2
Demonstrate knowledge of automatic transmission servicing requirements.
Evidence requirements
2.1 The importance of cleanliness when working with transmission components is identified.
Range contamination, precise machining tolerances and close operating fits of components, damage and premature failure.
2.2 Faults which affect the transmission operation are described in accordance with service information.
Range contamination, leakage, incorrect adjustments, lack of service, external factors.
2.3 Servicing requirements are described in accordance with service information.
Range fluid change, adjustments, tests, visual inspection.
Replacement information This unit standard was replaced by unit standard 29373.
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 Assessment
Registration 1 25 February 2008 31 December 2018
Review 2 21 April 2016 31 December 2018
Consent and Moderation Requirements (CMR) reference 0014
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do
.
MITO New Zealand Incorporated
SSB Code 101542

New Zealand Qualifications Authority 2020 New Zealand Qualifications Aut

NZQA Expiring unit standard
Please note
24336 version 2
Page 3 of 3
Providers must be granted consent to assess against standards (accredited) by NZQA, 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.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent 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.
MITO New Zealand Incorporated
SSB Code 101542

New Zealand Qualifications Authority 2020 New Zealand Qualifications Aut