| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 23 |
| Parking brake: efficiency below requirements |3.7.B.7| | 15 |
| Rear parking brake recording little or no effort | 12 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Front brake application uneven | 8 |
| Headlamp aim out of alignment | 7 |
| Rear brake binding | 7 |
| Indicator tell tale inoperative |1.4.A.2a| | 5 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear reflector missing |1.5.1a| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Registration plate lamp issues | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Offside Track rod end loose |2.2.B.1d| | 3 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Wheel insecure |4.2.A.1c| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Steering box insecure |2.2.B.1a| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Windscreen wiper not working (3.4 (a)) | 1 |
| Nearside Rear Road wheel spoke cracked |4.2.A.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Parking brake lever releases when knocked |3.1.6a| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front Shock absorber detached |2.7.2b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Rear Anti-roll bar linkage severely distorted |2.4.G.1| | 1 |
| Nearside Front Anti-roll bar linkage severely distorted |2.4.G.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Front Lower Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Nearside Driver`s door hinge insecure |6.2.B.2| | 1 |
| Indicator switch not able to be operated from the normal driving position |1.4.A.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Steering retaining device missing |2.2.C.1g| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Steering wheel locking device insecure |2.1.6| | 1 |
| Offside Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Front Steering box damaged and unserviceable |2.2.C.1d| | 1 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Front Leaf spring fractured |2.4.B.1a| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Rear Leaf spring to axle securing nut missing |2.4.B.7b| | 1 |
| Offside Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 1 |
| Pre 1950 headlamp aimed so that it dazzles other road users |1.6.A1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Wheel insecure |4.2.A.1c| | 1 |
| Registration plate issues | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Steering locking device missing |2.2.C.1g| | 1 |
| Nearside Rear Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Offside Rear Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Brake hose has insufficient room to move | 1 |
| Nearside Rear Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Offside Front Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Rear Brake back plate|s| securing device loose |3.5.1j| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Nearside Front Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Nearside Front Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Intermediate drop arm insecure |2.2.B.1a| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Parking |secondary brake| on a single line braking system imbalanced across an axle Axle 1 |1.3.1 |b| |i|| | 1 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Fuel system component leaking carbs (6.1.3 (b) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Offside Front Steering locking device ineffective Track rod end lock nut loose (2.1.3 (d)) | 1 |
| Fuel system component leaking rear carb (6.1.3 (b) (i)) | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Rear Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Nearside Front Pre 1950 headlamp aimed so that it dazzles other road users |1.6.A1| | 1 |
| Offside Front Pre 1950 headlamp aimed so that it dazzles other road users |1.6.A1| | 1 |
| Nearside Rear Service brake grabbing severely |3.7.C.2| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Rear Lower Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Nearside Track rod end loose |2.2.B.1d| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Rear brake application uneven | 1 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Leaf spring anchor pin locking device missing |2.4.B.3b| | 1 |
| Steering box cracked and unserviceable |2.2.C.1d| | 1 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 1 |
| Offside Front engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 1 |