Skills in Inspection and Replacement of Light Vehicle Braking Systems & Components — SEG Awards End-Point Assessment Motor Vehicle & Transport Revision
This element develops practical competence in the safe inspection, testing, removal and replacement of light vehicle braking system components. Learners wi
Topic Synopsis
This element develops practical competence in the safe inspection, testing, removal and replacement of light vehicle braking system components. Learners will apply diagnostic techniques to identify faults, follow correct procedures when replacing parts such as pads, discs, shoes, and hydraulic components, and accurately record findings and recommendations. Mastery of these skills is essential for vehicle roadworthiness and compliance with safety standards.
Key Concepts & Core Principles
- Four-stroke engine cycle: intake, compression, power, exhaust – understand the sequence and how each stroke contributes to engine operation.
- Braking systems: hydraulic principles, disc vs. drum brakes, and the importance of brake fluid condition and bleeding.
- Electrical circuits: series and parallel circuits, use of multimeters to measure voltage, current, and resistance, and common faults like open circuits and short circuits.
- Steering and suspension: understanding camber, caster, and toe angles, and how they affect vehicle handling and tyre wear.
- Health and safety: COSHH regulations, safe lifting techniques, and correct use of PPE such as gloves and safety glasses.
Exam Tips & Revision Strategies
- Always reference the vehicle manufacturer’s workshop data during practical assessments; demonstrate you can locate and apply correct specifications.
- When recording findings, use objective measurements (e.g., ‘pad friction material 3mm – below limit’) rather than subjective terms like ‘worn’.
- In verbal questioning, be prepared to explain the implications of not following the correct replacement procedure, such as potential brake imbalance or MOT failure.
- For elements on making recommendations, structure your advice in priority order: immediate safety issues first, then advisory items, with suggested timeframes.
Common Misconceptions & Mistakes to Avoid
- Failing to safely support the vehicle and release hydraulic pressure before dismantling brake components, leading to personal injury or fluid contamination.
- Reinstalling worn or damaged components such as anti-rattle clips or shims, or reusing single-use fasteners, compromising brake performance.
- Neglecting to bed in new brake pads/shoes or failing to perform a final road test/roller brake test, resulting in poor initial braking efficiency.
- Recording vague or incomplete information, e.g., 'brakes worn' without specific measurements or ignoring secondary faults like uneven wear indicating caliper piston seizure.
Examiner Marking Points
- Award credit for demonstrating correct and consistent use of personal protective equipment (PPE) and adherence to health and safety procedures throughout all activities.
- Assessor must confirm that inspection and testing accurately identifies brake system condition, including measurement of disc thickness, pad/drum lining wear, and hydraulic/mechanical system integrity.
- Credit replacement activities where components are fitted to manufacturer specifications, including correct torque settings, lubrication points, and functional checks after installation.
- Evidence of accurate recording: all findings, measurements, and recommendations are clearly documented on a job card or inspection sheet, with any further required actions justified.