| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 79 |
| Service brake: efficiency below requirements |3.7.B.7| | 65 |
| Parking brake: efficiency below requirements |3.7.B.7| | 61 |
| Headlamp aim out of alignment | 50 |
| Registration plate lamp issues | 31 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 31 |
| Rear parking brake recording little or no effort | 31 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 28 |
| Windscreen wiper does not clear the windscreen effectively | 28 |
| Horn not working |1.6.2a| | 28 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 25 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Service brake: efficiency below requirements |3.7.C.1a| | 19 |
| Front brake application uneven | 17 |
| Nearside Stop lamp not working |1.2.1b| | 17 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 13 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Offside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 12 |
| Brake hose has insufficient room to move | 11 |
| Braking system leaking |3.6.A.1| | 11 |
| Rear brake binding | 10 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 9 |
| Mechanical brake component has restricted free movement | 9 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 9 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 8 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 8 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 8 |
| Nearside Headlamp not working on main beam |1.7.5a| | 8 |
| Brake pipe excessively corroded | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 7 |
| Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Rear brake application uneven | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 7 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Registration plate issues | 6 |
| Indicator tell tale inoperative |1.4.A.2a| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Rear Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Rear Braking system leaking |3.6.A.1| | 6 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Steering system excessively tight |2.2.D.1| | 5 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 5 |
| Offside front brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Front Direction indicators not working |1.4.A.2c| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Braking system leaking |3.6.A.1| | 5 |
| Fuel system component leaking |7.2.3| | 5 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 5 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 4 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear reflector missing |1.5.1a| | 4 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 4 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 4 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 4 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Brake hose excessively deteriorated | 3 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Offside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Battery insecure |1.9.1| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Front Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 3 |
| Parking brake lever releases when knocked |3.1.6a| | 3 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 3 |
| Windscreen washer not working | 3 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Headlamp aim not tested |1.8.A.1c| | 3 |
| Offside Outer Steering locking device missing |2.2.C.1g| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Driver`s seat insecure |6.2.A.1| | 3 |
| Rear Brake valve leaking |3.6.A.1| | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 2 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Brake pedal does not operate a brake fitted to each wheel |3.3.A.3| | 2 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 2 |
| Offside Front An item not tested |Manual| | 2 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 2 |
| Offside Inner Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Offside Front Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 2 |
| Exhaust mounting missing |7.1.1b| | 2 |
| Steering box insecure |2.2.B.1a| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Front Service brake grabbing severely |3.7.C.2| | 2 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 2 |
| front brakes release unevenly |3.7.B.4| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Shock absorber insecure |2.7.2b| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Headlamp aim beam image too far to the right |1.6.B4| | 2 |
| Centre Exhaust mounting missing |7.1.1b| | 2 |
| Nearside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Brake hose damaged | 2 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Front An item not tested |Manual| | 2 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 2 |
| Offside Front Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 2 |
| Indicator switch faulty |1.4.A.1| | 2 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 2 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Offside Rear Leaf spring anchor bracket corroded and seriously weakened |2.4.B.6d| | 2 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| front brake binding |3.7.B.1| | 2 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Braking system leaking |3.6.A.1| | 2 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Parking brake efficiency below requirements |3.7.C.1b| | 2 |
| Nearside front brake grabbing severely |3.7.A.2b| | 2 |
| Offside Rear Leaf spring shackle bracket loose |2.4.B.6a| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |