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Title / Repair vehicle chassis damage
Level / 4 / Credits / 10
Purpose / This unit standard is for people who work in the collision repair industry. People credited with this unit standard are able to diagnose vehicle chassis damage, prepare to align the chassis, align the chassis,and reassemble chassis and body parts.
Classification / Motor Industry Collision Repair
Available grade / Achieved
Explanatory notes
1Evidence presented for assessment against this unit standard must be consistent with safe working practices and be in accordance with applicable manufacturer’s specifications, service information, company and legislative requirements (this includes the knowledge and/or use of suitable tools and equipment).
2Legislation, regulations and/or industry standards relevant to this unit standard include but are not limited to the current version of including updated amendments to, and replacements of –Health and Safety at Work Act 2015; Land Transport Rules.
3Land Transport Rules are available online at
4Definitions
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 may be accessed 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.
Heavy vehicle refers to a motor vehicle that is of Class MD3, MD4, ME, NB, NC, TC or TD; or has a gross vehicle mass that exceeds 3500 kg and is not of a class specified in the table of vehicle classes as listed from Land Transport New Zealand website
Light vehicle refers to classes as listed from Land Transport New Zealand website table passenger vehicle MA, MB, MC; omnibus MD, MD1, MD2; and goods vehicle NA.
5Range
Assessment may be carried out on a light vehicle or a heavy vehicle. Repair to heavy vehicle chassis must comply with Land Transport Rule: Heavy Vehicles 2004, Rule 31002, section 7 Repair 7.1(2).
Outcomes and evidence requirements
Outcome 1
Diagnose vehicle chassis damage.
Evidence requirements
1.1Types, location, and thickness of metals on the vehicle are identified.
Rangemay include but is not limited to – mild steel, galvanised steel, high-strength steel, ultra-high strength steel;
tensile strength, yield strength.
1.2Direction of impact and the amount of direct and indirect damage is assessed.
Rangefull frontal, side, angle, rear end.
1.3The effects of chassis damage on the body areestablished.
Rangebody and panel alignment, alignment of mechanical parts.
1.4Misaligned and damaged mechanical parts are identified.
Rangemay include but is not limited to – steering, suspension, power train, engine, exhaust system, hydraulic and air pipes, brake cylinders, front and rear axles and wheels.
1.5Misaligned chassis rails and cross members are identified.
1.6Damaged structural panels are identified.
1.7Vehicle identification plates are identified.
Outcome 2
Prepare to align the chassis.
Evidence requirements
2.1Suitable tools and equipment for aligning the chassis are selected to enable the repair.
Rangemay include but is not limited to – welding equipment, body jacks, levers, drill, clamps, alignment and measuring systems, metal cutting equipment, industry-approved chassis straightening equipment.
2.2Damaged body parts and fittings that interfere with carrying out the repair are removed.
Rangemay include but is not limited to – cab, lights, wheels, bumpers, tow bars, wiring, radiator, badges, suspension, steering, engine, rear end components, exhaust system, brake lines, fuel lines, power train, engine, hydraulic and air pipes, brake cylinders, front and rear axles.
2.3Undamaged chassis parts and fittings that may get damaged or interfere with carrying out the repair are removed and stored and/or protected.
2.4Electronic systems are identified and protected.
2.5Measurements are carried out, and damage is identified and verified.
Rangemay include but is not limited to – tape measure, and any one of – equipment trammel gauge, centring gauges, dedicated fixture measuring systems, laser systems, computer systems, universal measuring systems.
Outcome 3
Align the chassis.
Evidence requirements
3.1Chassis is secured to alignment machine and clamps and chains are selected.
3.2Pull angles and anchor points are identified, and clamps and/or hooks are attached to the vehicle body and secured.
3.3No excessive heat is used to assist pulling, and the chassis is aligned.
Rangetemperature limitations, time that heat can be applied to metal, no distortion and/or tearing of metal.
3.4Arrangements for welding are made.
3.5Chassis measurements are verified.
3.6There is no damage to adjacent parts and fittings as a result of aligning the chassis.
3.7Painting and anti-corrosion procedures to bare metal areas are carried out.
3.8Tools and equipment are cleaned and put away, and the work area is cleaned.
Outcome 4
Reassemble chassis and body parts.
Evidence requirements
4.1Chassis parts are refitted, replaced, and aligned.
4.2Body parts are refitted and/or replaced and aligned.
4.3Wheel alignment is checked, and if necessary, adjusted.
4.4Tools and equipment are cleaned and put away, and the work area is cleaned.
4.5Details of replacement parts are presented to the supervisor for record keeping purposes.
Planned review date / 31 December 2021Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 25 November 1996 / 31 December 2018
Review / 2 / 28 February 2001 / 31 December 2018
Review / 3 / 26 November 2007 / 31 December 2018
Review / 4 / 21 April 2016 / N/A
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, 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 (CMRs). 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.
Comments on this unit standard
Please contact the MITO New Zealand if you wish to suggest changes to the content of this unit standard.
MITO New Zealand IncorporatedSSB Code 101542 / New Zealand Qualifications Authority 2018