Product Overview

Summary: This Brake System Maintenance Safe Operating Procedure sets out a clear, step-by-step method for inspecting, servicing and testing vehicle braking systems in line with Australian WHS and road safety requirements. It helps businesses control critical mechanical risks, protect technicians and operators, and keep fleet vehicles safe, reliable and compliant on Australian roads.

Brake systems are one of the most safety‑critical components on any vehicle or mobile plant, and failures can lead to catastrophic incidents on public roads, worksites and mine sites. This Safe Operating Procedure provides a structured, repeatable process for conducting brake inspections, maintenance, repairs and functional testing across light vehicles, heavy vehicles and mobile equipment. It integrates WHS risk controls with manufacturer specifications and Australian roadworthiness expectations, ensuring that both the person working on the brakes and the people operating the vehicle are protected.

The SOP guides workers through pre‑maintenance checks, safe isolation of energy sources, correct lifting and support of vehicles, component inspection criteria, replacement practices, bleeding and adjustment, and post‑maintenance verification and documentation. It addresses common problem areas such as inconsistent maintenance practices between technicians, inadequate test drives, poor record‑keeping and missed defects that can expose businesses to prosecutions, insurance issues and reputational damage. By implementing this procedure, organisations can standardise brake servicing across their workshops and depots, demonstrate due diligence under WHS legislation, and extend the safe operating life of their fleet.

Designed for Australian conditions, this SOP supports operations ranging from small mechanical workshops through to large transport, logistics, mining, agricultural and local government fleets. It can be integrated into existing maintenance management systems, toolbox talks and induction programs, helping employers show that brake safety is systematically managed, not left to chance or individual habit.

Key Benefits

• Ensure consistent, high-quality brake inspections and servicing across all technicians and sites.
• Reduce the risk of brake-related incidents, injuries and fatalities on roads and worksites.
• Demonstrate compliance with Australian WHS duties and roadworthiness obligations for fleet operators.
• Extend the service life of brake components through correct adjustment, replacement and documentation.
• Streamline training and onboarding by providing clear, step-by-step guidance for new and existing staff.

Who is this for?

• Automotive Technicians
• Heavy Vehicle Mechanics
• Fleet Maintenance Managers
• Workshop Supervisors
• Plant and Equipment Managers
• Bus and Coach Operations Managers
• Mining and Construction Maintenance Coordinators
• WHS Managers and Advisors
• Light Vehicle Service Managers
• Agricultural Machinery Technicians

Hazards Addressed

• Vehicle roll-away due to inadequate chocking or failure to secure the vehicle during maintenance
• Crush injuries from vehicle collapse when jacks or stands are used incorrectly
• Exposure to brake dust, including potential asbestos in older vehicles
• Hand and finger injuries from moving parts, springs and sharp components
• Burns from hot brake components after recent operation
• Slips, trips and falls in and around the workshop or inspection pit
• Noise exposure from brake testing and associated equipment
• Chemical exposure from brake fluid, cleaners and solvents
• Failure of braking system due to incorrect assembly, adjustment or bleeding
• Uncontrolled vehicle movement during road testing or dynamic brake checks

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Applicable Vehicle Types
• 3.0 Roles, Responsibilities and Competency Requirements
• 4.0 Required Tools, Equipment and Workshop Setup
• 5.0 Personal Protective Equipment (PPE) and Safety Precautions
• 6.0 Pre-Maintenance Checks and Vehicle Isolation
• 7.0 Safe Lifting, Supporting and Securing of Vehicles
• 8.0 Brake System Overview (Hydraulic, Air, Electric and Mixed Systems)
• 9.0 Inspection Criteria for Brake Components (Pads, Shoes, Rotors, Drums, Lines, Hoses, Calipers, Cylinders)
• 10.0 Brake System Maintenance and Replacement Procedures
• 11.0 Brake Fluid Handling, Bleeding and Contamination Control
• 12.0 Air Brake System Checks (Leak Testing, Adjustment and Draining)
• 13.0 Post-Maintenance Functional Testing and Road Test Requirements
• 14.0 Hazard Identification, Risk Controls and Housekeeping
• 15.0 Management of Asbestos and Legacy Brake Components
• 16.0 Environmental Management and Waste Disposal (Fluids, Parts, Contaminated Materials)
• 17.0 Documentation, Service Records and Defect Reporting
• 18.0 Training, Supervision and Review of Competency
• 19.0 Emergency Procedures and Incident Response
• 20.0 Review, Audit and Continuous Improvement of the SOP

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS legislation
• Work Health and Safety Regulations 2011 (Cth) and state/territory equivalents
• Safe Work Australia – Managing Risks of Plant in the Workplace Code of Practice
• Safe Work Australia – How to Safely Remove Asbestos Code of Practice (relevant to legacy brake components)
• AS/NZS 4024 series: Safety of machinery (for workshop plant and lifting equipment interfaces)
• AS/NZS 2550 series: Cranes, hoists and winches – Safe use (where lifting equipment is used for vehicle support)
• AS/NZS 4801: Occupational health and safety management systems (or ISO 45001 equivalent)
• Heavy Vehicle National Law (HVNL) and associated Heavy Vehicle (Vehicle Standards) National Regulation
• Australian Design Rules (ADRs) relevant to braking systems (e.g. ADR 35/.. for commercial vehicles)
• State and territory road transport and vehicle standards regulations (roadworthiness and defect requirements)