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MOT fail: brake excessively fluctuating

Major defect: the vehicle fails Service brake excessively fluctuating DVSA wording, MOT inspection manual item 1.2.1 (e)

On the brake tester, the braking force at a wheel rose and fell a lot as the wheel turned. An uneven disc or an oval drum is the usual reason.

Can it be driven away? Only if its current MOT is still valid and no dangerous problem was listed, and it must still be roadworthy. GOV.UK rule

What happened after the fail

  • Repaired during the test0.5%
  • Passed a retest within 35 days91%
  • Not passed within 35 days9%

By age

Highest at 15 years old: 0.5% of MOTs.

By mileage

Highest at 160k to 170k miles: 0.5% of MOTs.

Models that fail on this more than other cars their age

  • LDV ConvoyOther cars its age: 0.4 in 1002 in 100
  • Lexus Is220Other cars its age: 0.4 in 1001 in 100
  • Hyundai CoupeOther cars its age: 0.4 in 1001 in 100
  • Chrysler PTOther cars its age: 0.4 in 1001 in 100
  • Talbot ExpressOther cars its age: 0.2 in 1001 in 100
  • Chevrolet SparkOther cars its age: 0.3 in 1000.9 in 100
  • Skoda KamiqOther cars its age: 0.1 in 1000.9 in 100
  • Kia SedonaOther cars its age: 0.4 in 1000.9 in 100
22 more models
  • Audi A2Other cars its age: 0.4 in 1000.9 in 100
  • Peugeot 407Other cars its age: 0.4 in 1000.8 in 100
  • Toyota CelicaOther cars its age: 0.4 in 1000.8 in 100
  • Skoda RoomsterOther cars its age: 0.4 in 1000.8 in 100
  • Renault MeganeOther cars its age: 0.4 in 1000.7 in 100
  • Skoda ScalaOther cars its age: 0.1 in 1000.7 in 100
  • SEAT AronaOther cars its age: 0.1 in 1000.7 in 100
  • Mazda 6Other cars its age: 0.3 in 1000.6 in 100
  • Nissan Nv200Other cars its age: 0.3 in 1000.6 in 100
  • Kia CeedOther cars its age: 0.3 in 1000.6 in 100
  • Tesla Model SOther cars its age: 0.2 in 1000.6 in 100
  • SsangYong TivoliOther cars its age: 0.2 in 1000.5 in 100
  • Volkswagen CamperOther cars its age: 0.3 in 1000.5 in 100
  • Kia ProceedOther cars its age: 0.2 in 1000.5 in 100
  • Volkswagen T-CrossOther cars its age: 0.1 in 1000.5 in 100
  • MG ZSOther cars its age: 0.2 in 1000.5 in 100
  • MG 3Other cars its age: 0.2 in 1000.4 in 100
  • Isuzu Trucks GrafterOther cars its age: 0.2 in 1000.4 in 100
  • Vauxhall CrosslandOther cars its age: 0.1 in 1000.4 in 100
  • Peugeot RifterOther cars its age: 0.1 in 1000.3 in 100
  • Mercedes-Benz A 250Other cars its age: 0.1 in 1000.3 in 100
  • MG HSOther cars its age: 0.1 in 1000.3 in 100
Out of every 100 MOTs on each model. Models with 20,000 or more MOTs, well above other cars their age, highest first.

Counted from DVSA records of 286,058,652 MOTs, 20 May 2018 to 18 October 2026. A test and its retests count as one MOT. About other vehicles, not a prediction for yours: for what to do, ask a garage. Spotted a mistake? Email fuzzyreguk@gmail.com.

Check a car's MOT history

Every test, fail and advisory, free, from the whole registration.