Group B Brake Components and Condition
Inspect discs, drums, pads, linings, cables, rods, levers, linkages, pipes, hoses, hydraulic systems and brake warning evidence.
How to prepare for this year's assessment
Start with group and vehicle class, confirm whether a rule applies, follow the prescribed inspection or administration method, and classify only the evidence permitted by the live source.
Core concepts
Concept 1
Inspect discs, drums, pads, linings, cables, rods, levers, linkages, pipes, hoses, hydraulic systems and brake warning evidence.
Exam cue: Identify whether the scenario belongs to Group A or Group B before selecting a manual.
Concept 2
Use only the prescribed access and observed evidence before applying condition, operation and defect-category wording.
Exam cue: Use only the prescribed access and observed evidence before applying condition, operation and defect-category wording.
Concept 3
DVSA's public example includes an illuminated brake wear indicator where some pad thickness cannot be directly seen.
Exam cue: Use the source version and effective date that apply during the live 2026–27 training year.
Concept 4
MOT testing does not authorise wheel removal or dismantling solely to reveal hidden pad condition.
Risk pitfalls and guardrails
Converting uncertainty into a defect without the manual evidence threshold.
Guardrail: Do not replace current manual wording with workshop preference, memory from an earlier year or an assumption based on appearance.
Treating workshop repair preference as the statutory MOT test outcome.
Guardrail: Do not replace current manual wording with workshop preference, memory from an earlier year or an assumption based on appearance.
Reproducing a sample answer without checking current application and evidence.
Guardrail: Use public examples to identify concepts only; the live source and current facts control the result.
Memory anchors
Observe, Do Not Dismantle
Use the prescribed inspection access.
Warning Plus Evidence
Apply the manual rule to the warning and observable component condition.
Defect Is Not Repair Advice
Record the statutory outcome rather than a workshop recommendation.
Group B Brake Components and Condition: Source
Confirm the answer in the live DVSA guide, inspection manual or applicable special notice.
Group B Brake Components and Condition: Sequence
Identify group and class, confirm application, use the prescribed method, then classify the evidence.
Group B Brake Components and Condition: Annual Boundary
Keep the 2026–27 assessed topic allocation separate from live rule changes and earlier training years.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A brake pipe is heavily corroded where it passes through a retaining clip. What should the tester assess?
A flexible brake hose bulges markedly when the pedal is pressed. What does this show?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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