242 version 7
30-Oct-03
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VEHICLE BRAKING SYSTEMS
Change the fluid and bleed a brake
hydraulic system
level:
2
credit:
2
final date for comment:
December 2004
expiry date:
December 2005
sub-field:
Motor Industry
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 change the fluid in a brake
hydraulic system, and bleed air from a brake hydraulic
system.
entry information:
Open.
accreditation option:
Evaluation of documentation by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by the NZ Motor Industry Training
Organisation.
special notes:
1
The assistance of another person may be required to
perform the task of bleeding the system of air,
depending on the type of equipment used.
2
The following legislation and its amendments are
required to be consulted and followed where
applicable:
– Health and Safety in Employment Act, 1992;
– Resource Management Act, 1991 (disposal of brake
fluid).
3
Reference to 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 to a professional and competent
manner with due regard to safe working practices.
 New Zealand Qualifications Authority 2003
242 version 7
30-Oct-03
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VEHICLE BRAKING SYSTEMS
Change the fluid and bleed a brake
hydraulic system
Elements and Performance Criteria
element 1
Change the fluid in a brake hydraulic system.
performance criteria
1.1
Safe working practices are observed throughout the task.
Range:
personal safety, safety of others, equipment and vehicle safety.
1.2
Suitable tools and workshop equipment are selected and used that enable the
brake fluid to be changed.
1.3
The brake system is visually inspected prior to carrying out the task and a
condition report given to the supervisor.
1.4
Sufficient quantity of brake fluid that complies with the vehicle manufacturer's
specifications is selected and obtained, and the fluid must be in a useable
condition.
Range:
useable condition: the fluid must have no entrained air and
moisture in it.
1.5
Old fluid is removed from the system and new fluid pumped through, so no
traces of old fluid remain.
1.6
Old fluid is disposed of in an environmentally safe manner.
element 2
Bleed air from a brake hydraulic system.
performance criteria
2.1
Safe working practices are observed throughout the task.
Range:
personal safety, safety of others, equipment and vehicle safety.
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VEHICLE BRAKING SYSTEMS
Change the fluid and bleed a brake
hydraulic system
2.2
The brake system is visually inspected prior to carrying out the task and a
condition report given to the supervisor.
2.3
Suitable brake bleeding equipment is selected and used to enable the system
to be bled.
Range:
pressurised equipment, manual equipment.
2.4
The equipment is connected to the vehicle according to manufacturer's
instructions.
2.5
All air is bled from the system, using the minimum amount of brake fluid
necessary, and following the procedure and sequence of operations prescribed
by the vehicle manufacturer.
2.6
The system is topped up to the indicated full level with brake fluid specified by
the vehicle manufacturer.
2.7
Care is taken to prevent the brake fluid from coming in contact with the skin,
eyes, and vehicle paintwork.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation jlane@mito.org.nz if you wish
to suggest changes to the content of this unit standard.
Please Note
Providers must be accredited by the Qualifications Authority or a delegated interinstitutional body before they can register credits from assessment against unit standards
or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit
standards must engage with the moderation system that applies to those standards.
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VEHICLE BRAKING SYSTEMS
Change the fluid and bleed a brake
hydraulic system
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for providers wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
This unit standard is covered by AMAP 0014 which can be accessed at
http://www.nzqa.govt.nz/site/framework/search.html.
 New Zealand Qualifications Authority 2003