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Title / Remove and refit a turbocharger to an engine
Level / 2 / Credits / 2
Purpose / This unit standard is for people in the automotive repair industry. People credited with this unit standard are able to remove a turbocharger from an engine, and refit a turbocharger to an engine.
Classification / Motor Industry > Automotive Fuel Systems and Exhaust
Available grade / Achieved
Guidance Information
1Legislation relevant to this unit standard includes but is not limited to – Health and Safety in Employment Act 1992.
2Definitions
Company requirements refer to instructions to staff on policy and procedures which are documented in memo or manual format and are available in the workplace. These requirements include but are not limited to – company specifications and procedures, work instructions, manufacturer specifications, product quality specifications, and legislative requirements.
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.
Suitable tools and equipment means industry approved tools and equipment that are recognised within the industry as being the most suited to complete the task in a professional and competent manner with due regard to safe working practices.
Outcomes and performance criteria
Outcome 1
Remove a turbocharger from an engine.
Performance criteria
1.1Safe working practices are observed throughout the task in accordance with legislative requirements.
Rangepersonal safety, safety of others, vehicle or machine safety, workshop safety, environmental safety, tools and equipment safety.
1.2Suitable tools and equipment are selected and used to enable a turbocharger to be removed in accordance with service information.
1.3The surrounding area where the turbocharger is mounted is cleaned, so that the turbocharger can be removed without contamination from dirt, oil, and grease.
1.4The turbocharger unit is removed from the engine in accordance with service information.
1.5The turbocharger unit is covered so as to prevent ingress of dirt in accordance with company requirements.
Outcome 2
Refit a turbocharger to an engine.
Performance criteria
2.1Safe working practices are observed throughout the task in accordance with legislative requirements.
Rangepersonal safety, safety of others, vehicle or machine safety, workshop safety, environmental safety, tools and equipment safety.
2.2Suitable tools and equipment are selected and used to enable a turbocharger to be refitted in accordance with service information.
2.3Inlet and exhaust manifolds are free of any debris before refitting unit in accordance with company requirements.
2.4Engine faults which affect the operation of the turbocharger are identified and reported to the supervisor in accordance with company requirements.
Rangemay include but is not limited to – oil pressure within manufacturer specifications, outlet pipe flow within manufacturer specifications.
2.5Arrangements are made to ensure the engine oil and filter are changed and system is primed in accordance with company requirements.
2.6The turbocharger unit is refitted to the engine in accordance with service information.
Rangemay include but is not limited to – inlet aligned, exhaust sealed and pipes fitted, engine started and idled for two minutes.
2.7The turbocharging system is checked to ensure it operates within manufacturer specifications.
Rangepressure readings within specifications, no oil leaks and air leaks.
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 / 29 March 1999 / 31 December 2020
Revision / 2 / 13 March 2001 / 31 December 2020
Review / 3 / 25 January 2008 / 31 December 2020
Review / 4 / 26 April 2018 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014
This CMR can be accessed at
MITO New Zealand IncorporatedSSB Code 101542 / New Zealand Qualifications Authority 2018