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 223 advisory comments in this group. Seen mainly as an advisory. 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 FRONT TYRE WORN CLOSE TO LEGAL LIMIT/WORN ON EDGE (5.2.3 (E))
Corrosion
VehicleScore MOT data includes 143 advisory comments and 9 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 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 REAR BRAKE PIPE CORRODED, COVERED IN GREASE OR OTHER MATERIAL (1.1.11 (C))
Suspension arm issues
VehicleScore MOT data includes 47 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record a worn, corroded, or damaged suspension arm or its pin.
What to inspect
Look for play or corrosion at the arm and ask whether it has been replaced.
Example MOT wording: OFFSIDE FRONT SUSPENSION ARM PIN OR BUSH WORN BUT NOT RESULTING IN EXCESSIVE MOVEMENT (5.3.4 (A) (I))
Coil spring issues
VehicleScore MOT data includes 45 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 coil springs that were corroded, fractured, or otherwise defective. They are counted separately from shock absorbers.
What to inspect
Look for a broken or heavily corroded spring and compare the ride height on both sides.
Example MOT wording: OFFSIDE FRONT COIL SPRING FRACTURED OR BROKEN (5.3.1 (B) (I))
Ball joint wear
VehicleScore MOT data includes 33 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 worn or damaged ball joint. Track rod ends are counted with steering, not here.
What to inspect
Ask for the joint to be checked for play with the suspension loaded and unloaded.
Example MOT wording: OFFSIDE FRONT SUSPENSION ARM BALL JOINT EXCESSIVELY WORN (5.3.4 (A) (I))
Parking brake faults
VehicleScore MOT data includes 29 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 (1.4.2 (A) (I))
Brake disc wear
VehicleScore MOT data includes 18 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 (1.1.14 (A) (II))
Anti-roll bar issues
VehicleScore MOT data includes 17 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: NEARSIDE FRONT ANTI-ROLL BAR LINKAGE BALL JOINT DUST COVER NO LONGER PREVENTS THE INGRESS OF DIRT (5.3.4 (B) (II))