| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 29 |
| Headlamp aim out of alignment | 18 |
| Brakes imbalanced across an axle | 18 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 10 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Horn not working |1.6.2a| | 4 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear brake application uneven | 3 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Registration plate issues | 3 |
| Brake hose excessively deteriorated | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Inner Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Braking system leaking |3.6.A.1| | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front Exhaust system insecure (6.1.2 (a)) | 2 |
| Nearside Headlamp aim beam image kick up to the offside (1.8) | 2 |
| Offside Headlamp aim beam image kick up to the offside (1.8) | 2 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Main beam `tell-tale` not working |1.7.4c| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 2 |
| Nearside Front Hydraulic brake calliper insecurely mounted (1.1.16 (c) (i)) | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Engine mounting bracket fractured (6.1.8 (a) (ii)) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Exhaust system insecure front support rubber defective (6.1.2 (a)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Front Exhaust has a major leak of exhaust gases downpipe |7.1.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt split (2.1.3 (g) (ii)) | 1 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Service brake grabbing severely |3.7.C.2| | 1 |
| Headlamp not working on main beam o/s and n/s |4.1.1 |a| |ii|| | 1 |
| Fuel pipe leaking excessively or a risk of fire engine bay (6.1.3 (b) (ii)) | 1 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Exhaust fumes causing a danger to health of persons on board (6.1.2 (b) (ii)) | 1 |
| Front Exhaust system insecure mount (6.1.2 (a)) | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Brake hose has insufficient room to move | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Exhaust system not adequately supported pipe |7.1.1| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Drivers door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Nearside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Rear fog lamp not working (1.3.2b) | 1 |
| Rear fog lamp switch faulty (1.3.1a) | 1 |
| Offside Rear wheel bearing rough when rotated (2.6.1) | 1 |
| Offside front brake binding (3.7.B.1) | 1 |
| Exhaust system not adequately supported (7.1.1) | 1 |
| Nearside Rear position lamp(s) not working (1.1.A.3b) | 1 |
| Nearside Rear wheel bearing rough when rotated (2.6.1) | 1 |
| Rear Service brake is causing the vehicle to swerve to the offside (1.2.1 (b) (i)) | 1 |
| Bonnet primary retaining device ineffective (3.1 (c)) | 1 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover missing (5.3.4 (b) (ii)) | 1 |
| Brake hose damaged | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Parking brake operation is causing the vehicle to swerve to the nearside (1.4.1 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Sub-frame attachment bracket/mounting insecure bolts loose |2.4.G.1| | 1 |
| Exhaust has a major leak of exhaust gases Rear Y section of exhaust (6.1.2 (a)) | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Emissions not tested |8.2.2.2 |e|| | 1 |
| Bonnet primary retaining device ineffective |3.1 |c|| | 1 |
| Front Fuel hose leaking |7.2.3| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect no image |1.8.A.1b| | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect kick on right |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect kick on right |4.1.2 |c|| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Front Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases multiple (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn both (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn both (1.1.14 (a) (i)) | 1 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Obligatory mirror seriously obscured affecting the rear view |8.1.2a| | 1 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Rear Service brake excessively binding both (1.2.1 (f)) | 1 |
| Rear Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Bumper insecure |6.1.4 |a| |i|| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Offside Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Front passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Stop lamp not working all rear |1.2.1b| | 1 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid Master cylinder |3.6.A.1| | 1 |
| Nearside Inner Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Fuel system component leaking Fuel pump area (6.1.3 (b) (i)) | 1 |
| Headlamp aim beam image kick up to the offside both |1.8| | 1 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front brake caliper leaking |3.6.A.1| | 1 |
| Offside Front Lower Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Nearside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Oil leaked out and no damping..... |2.7.3| | 1 |
| Parking brake: efficiency below requirements |3.7.D.4| | 1 |
| Offside Front Service brake indicates brake bind |3.7.D.2a| | 1 |
| Front Steering rack gaiter split Both front gaiters split.......... |2.2.D.2d| | 1 |
| Offside Front Headlamp insecure |4.1.1 |c|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Nearside Rear Parking brake inoperative on one side Caliper lever seized/ low brake effort........ |1.4.1 |a|| | 1 |
| Offside Rear Fuel pipe insecure Fuel pipe and clip insecure......... |6.1.3 |a| |i|| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Bonnet seriously at risk of opening inadvertently (3.1 (b) (ii)) | 1 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Reversing lamp inoperative |4.6.1 |a|| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Stop lamp not working All |1.2.1b| | 1 |
| Central Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| rear brakes release unevenly |3.7.B.4| | 1 |
| Rear brake binding | 1 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements front |3.7.B.7| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle don`t increase at same rate |3.7.B.5b| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Nearside Front Hydraulic brake cylinder leaking hydraulic fluid caliper |3.6.A.1| | 1 |
| Offside Front Inner Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Steering system has a road wheel fouling a part of the vehicle touching inner arch |2.2.D.2a| | 1 |
| Exhaust has a major leak of exhaust gases at manifold |6.1.2 |a|| | 1 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Offside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Windscreen wiper blade insecure | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Offside Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.3 |a|| | 1 |
| Central Front Exhaust system not adequately supported |7.1.1| | 1 |
| Fuel hose excessively chafed |7.2.2| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect kick up wrong way |4.1.2 |c|| | 1 |