These groups combine equivalent MOT comments, such as the same tyre note on different corners. Counts are comment occurrences in the sample, not a percentage of cars.
Tyre wear
VehicleScore MOT data includes 334 advisory comments and 55 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record tyres that were worn, damaged, or close to the legal tread depth when the car was inspected.
What to inspect
Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.
Example MOT wording: NEARSIDE REAR TYRE WORN CLOSE TO THE LEGAL LIMIT (4.1.E.1)
Brake disc wear
VehicleScore MOT data includes 73 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record brake discs that were worn, scored, pitted, or corroded.
What to inspect
Look at the disc faces for deep scoring, a lip at the edge, and corrosion.
Example MOT wording: FRONT BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (3.5.1I)
Oil leak
VehicleScore MOT data includes 64 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record an oil leak noted by the tester. Shock absorber misting is counted as a damper issue, not as an engine oil leak.
What to inspect
Look under the engine for fresh oil, and check the oil level.
Example MOT wording: OIL LEAK, BUT NOT EXCESSIVE (8.4.1 (A) (I))
Parking brake faults
VehicleScore MOT data includes 47 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record a parking brake that did not hold well enough or had a component defect.
What to inspect
Test that the parking brake holds the car on a slope and releases cleanly.
Example MOT wording: PARKING BRAKE: EFFICIENCY BELOW REQUIREMENTS (3.7.B.7)
Windscreen damage
VehicleScore MOT data includes 23 advisory comments and 8 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record chips, cracks, or other windscreen damage in the driver’s view.
What to inspect
Look for chips and cracks, especially in the area swept by the wipers.
Example MOT wording: WINDSCREEN HAS DAMAGE TO AN AREA LESS THAN A 40MM CIRCLE OUTSIDE ZONE 'A' (8.3.1D)
Corrosion
VehicleScore MOT data includes 23 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record corrosion the tester could see on the body or structure. Corrosion already named on a spring, brake, or other component is counted with that component.
What to inspect
Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.
Example MOT wording: OFFSIDE FRONT BRAKE PIPE CORRODED, COVERED IN GREASE OR OTHER MATERIAL (1.1.11 (C))
Lamp and bulb faults
VehicleScore MOT data includes 19 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record a lamp or bulb other than a headlamp or indicator.
What to inspect
Switch on the side, brake, fog, and number-plate lamps.
Example MOT wording: SUPPLEMENTARY RESTRAINT SYSTEM WARNING LAMP INDICATES A FAULT (7.1.6 (A))
Anti-roll bar issues
VehicleScore MOT data includes 14 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record wear or damage in the anti-roll bar, its links, or its bushes.
What to inspect
Listen for a knock when driving over uneven ground at low speed.
Example MOT wording: OFFSIDE FRONT ANTI-ROLL BAR LINKAGE BALL JOINT DUST COVER NO LONGER PREVENTS THE INGRESS OF DIRT (5.3.4 (B) (II))
