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MOT History from tests of petrol MG B Gs year 1977

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:18.18%
(The average a petrol MG B G year 1977 passes without issue)
Based on:22 MOT Tests
Most common failuresNo# failures
Rear parking brake recording little or no effort10
Parking brake: efficiency below requirements |3.7.B.7|7
Headlamp aim out of alignment6
Rear brake binding5
Windscreen wiper does not clear the windscreen effectively4
Registration plate lamp issues4
Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6|4
Direction indicators flashing less than 60 times a minute |1.4.A.2g|3
Brakes imbalanced across an axle3
Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|3
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|3
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Offside Front Steering rack gaiter split |2.2.D.2d|2
Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Service brake: efficiency below requirements |3.7.B.7|2
Front brake application uneven2
Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c|2
Horn not working |1.6.2a|2
Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|2
Exhaust system not adequately supported |7.1.1|2
Offside Front passenger seat insecure |6.2.3|1
Nearside Front Direction indicator not working |1.4.A.2c|1
Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3|1
Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2|1
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3|1
Nearside Suspension component mounting prescribed area is inadequately repaired |2.4.A.3|1
Offside Suspension component mounting prescribed area is inadequately repaired |2.4.A.3|1
Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6|1
Offside Front Seat belt affected by an insecure seat fixing |5.2.1b|1
Offside Inner Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3|1
Nearside Inner Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3|1
Nearside Front Steering rack gaiter split |2.2.D.2d|1
Offside Outer Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Rear Exhaust system not adequately supported |7.1.1|1
Nearside Rear Wheel insecure |4.2.A.1c|1
Offside Front Wheel insecure |4.2.A.1c|1
Nearside Rear Braking system leaking |3.6.A.1|1
Nearside rear brake recording little or no effort |3.7.B.5a|1
Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Centre Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f|1
Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f|1
Offside Headlamp aim beam image kick up to the offside |1.8|1
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Front Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Front Upper Steering locking device missing |2.2.C.1g|1
An item not tested |Manual|1
Offside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b|1
Offside Front Track rod end ball joint has excessive play |2.2.B.1f|1
Offside Rear Road wheel spoke excessively loose |4.2.A.1b|1
Exhaust engine idle speed too high |7.3.A.2a|1
Hazard warning lamps inoperative |1.4.B.1b|1
All position lamps not working |1.1.A.3b|1
Nearside Front Headlamp not working on dipped beam |1.7.5a|1
Offside Front Headlamp not working on dipped beam |1.7.5a|1
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2|1
Nearside Front Wheel insecure |4.2.A.1c|1
Offside Rear Wheel insecure |4.2.A.1c|1
Offside Front Obligatory mirror insecure |8.1.1|1
Nearside Rear wheel bearing rough when rotated |2.6.1|1
Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Nearside Headlamps matched pair are not the same size |1.7.6|1
Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a|1
Nearside Front Track rod end loose |2.2.B.1d|1
Fuel system component leaking |7.2.3|1
Nearside Rear Exhaust system not adequately supported |7.1.1|1
Steering column movement between the shaft and steering wheel |2.1.2b|1
Nearside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1|1
Offside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1|1
Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|1
Nearside Front Fuel system component leaking |7.2.3|1
Steering column universal joint has excessive play |2.1.5|1
Nearside Front Front wheel bearing has excessive play |2.5.A.3c|1
Offside Front Front wheel bearing has excessive play |2.5.A.3c|1
Offside Rear Stop lamp not working |1.2.1b|1
Offside Rear Rear wheel bearing has excessive play |2.6.2|1
Rear Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Rear rear brake recording little or no effort |3.7.B.5a|1
Rear Mechanical brake component has restricted free movement1
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Direction indicator not working |1.4.A.2c|1
Nearside Headlamp not working on dipped beam |1.7.5a|1
Nearside Headlamp not working on main beam |1.7.5a|1
Nearside Front position lamp|s| not working |1.1.A.3b|1
Offside Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a|1
Nearside Steering rack gaiter split |2.2.D.2d|1
Rear Braking system leaking |3.6.A.1|1
Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3|1
Brake performance not tested |3.7.A.1|1
Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Nearside Rear Brake pipe excessively chafed |3.6.B.2c|1
Offside Front Headlamp aim beam image kick up to the offside |1.8|1
Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Headlamp not working on dipped beam |1.7.5a|1
Centre Rear Brake hose leaking |3.6.A.1|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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