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MOT History from tests of petrol MG B Gs year 1979

Review the list of common MG B G failures below or to perform a specific mot history check on your MG then use our popular KnowYourCar service

mot history
Pass percent:44.83%
(The average a petrol MG B G year 1979 passes without issue)
Based on:29 MOT Tests
Most common failuresNo# failures
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|5
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|3
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|3
Parking brake lever has no reserve travel |3.1.6b|2
Rear parking brake recording little or no effort2
Brakes imbalanced across an axle2
Rear brake binding2
Stop lamp not working |1.2.1b|2
Registration plate lamp issues2
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Direction indicator not working |1.4.A.2c|1
Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3|1
Nearside Steering rack gaiter split |2.2.D.2d|1
Offside Steering rack gaiter split |2.2.D.2d|1
Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Rear brake application uneven1
Fuel system component leaking |7.2.3|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Headlamp not working on main beam |1.7.5a|1
Nearside Front wheel bearing rough when rotated |2.5.A.2|1
Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Nearside Track rod end ball joint has excessive play |2.2.B.1f|1
Exhaust has a major leak of exhaust gases |7.1.2|1
Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3|1
Semaphore indicator switch faulty |1.4.C.1c|1
Offside Direction indicator not working |1.4.A.2c|1
Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a|1
Rear Mechanical brake component securing device missing |3.5.1i|1
Front position lamp|s| not working |1.1.A.3b|1
Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front Statutory seat belt missing |5.1.1|1
All position lamps not working |1.1.A.3b|1
Offside rear brake recording little or no effort |3.7.B.5a|1
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Windscreen wiper does not clear the windscreen effectively1
Parking brake: efficiency below requirements |3.7.B.7|1
Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Steering wheel retaining device insecure |2.1.6|1
Centre Exhaust system not adequately supported |7.1.1|1
Rear Exhaust system not adequately supported |7.1.1|1
Hazard warning switch faulty |1.4.B.1d|1
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Front Upper Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Stop lamp not working |1.2.1b|1
Offside Stop lamp not working |1.2.1b|1
Offside Front Front position lamp|s| not working |1.1.A.3b|1
Headlamp aim out of alignment1
Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a|1
Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|1
Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|1
Offside Rear Shock absorber has a serious fluid leak |2.7.3|1
Centre Horn not working |1.6.2a|1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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