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MOT History from tests of petrol MG B ROADSTERs year 1979

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

mot history
Pass percent:69.28%
(The average a petrol MG B ROADSTER year 1979 passes without issue)
Based on:166 MOT Tests
Most common failuresNo# failures
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|14
Headlamp aim out of alignment8
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|7
Rear brake binding6
Windscreen wiper does not clear the windscreen effectively5
Brakes imbalanced across an axle3
Rear brake application uneven3
Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|3
Parking brake lever has no reserve travel |3.1.6b|2
Horn not working |1.6.2a|2
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Hazard warning lamps inoperative |1.4.B.1b|2
Direction indicators not working |1.4.A.2c|2
Registration plate lamp issues2
Battery insecure |1.9.1|2
Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|2
Offside Steering rack gaiter split |2.2.D.2d|2
Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3|2
Nearside Rear Service brake excessively binding (1.2.1 (f))1
Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2|1
Horn not working |7.7 |a| |ii||1
Brake servo vacuum pipe collapsed |3.6.C.1b|1
Exhaust has a major leak of exhaust gases |7.1.2|1
Fuel system component leaking |7.2.3|1
Offside Front Steering rack gaiter split |2.2.D.2d|1
Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front Wheel nut|s| loose |4.2.A.1e|1
Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f|1
Nearside Front Anti-roll bar attachment bracket/mounting insecure two bolts loose |5.3.3 |a| |i||1
Offside Front Steering rack insecure to the extent there is excessive movement at the mountings fixing bolt loose |2.1.3 |a| |ii||1
Nearside Front Road wheel fixing loose centre fixing hub nut loose on wire wheel |5.2.1 |a| |i||1
Stop lamp not working |1.2.1b|1
Offside Rear Direction indicator not working |1.4.A.2c|1
Indicator switch insecure |1.4.A.1|1
Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b|1
Braking system leaking |3.6.A.1|1
Offside Rear rear brake recording little or no effort |3.7.B.5a|1
Rear parking brake recording little or no effort1
Windscreen wiper not working too slow (3.4 (a))1
Windscreen wiper not operating automatically when switched on |8.2.1b|1
Headlamp switch faulty |1.7.1|1
Headlamp adversely affected by the operation of another lamp |1.7.5c|1
Rear Exhaust system not adequately supported |7.1.1|1
Offside Rear rear parking |secondary| brake grabbing severely |3.7.B.6b|1
rear brake recording little or no effort |3.7.B.5a|1
Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b|1
Offside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b|1
Nearside Rear Stop lamp not working |1.2.1b|1
Offside Rear Stop lamp not working |1.2.1b|1
Stop lamp|s| all not working |4.3.1 |a| |iii||1
Stop lamp(s) not working (4.3.1 (a) (ii))1
Fuel cap/sealing device missing |7.2.4a|1
Offside Direction indicator flashing less than 60 times a minute |1.4.A.2g|1
Offside Rear Inner Suspension spring mounting prescribed area excessively corroded significantly reducing structural strength Sill (5.3.6 (a) (i))1
Front Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b||1
Exhaust emits dense blue smoke at idle |7.3.A.2b|1
Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c|1
Nearside Steering rack gaiter split |2.2.D.2d|1
Nearside Stop lamp excessively deteriorated so that it is not visible from a reasonable distance |1.2.1d|1
Nearside Front Steering pivot point has excessive play |2.2.B.1g|1
Offside Front Steering pivot point has excessive play |2.2.B.1g|1
Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Service brake: efficiency below requirements |3.7.C.1a|1
Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Emissions unable to be completed Idle unacceptable (8.2.1.2 (d))1
Offside Rear Rear wheel bearing has excessive play |2.6.2|1
Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2|1
Nearside Front Front position lamp|s| not working |1.1.A.3b|1
Steering wheel in a condition likely to injure the driver`s hands |2.1.1|1
Offside Rear Leaf spring anchor bracket cracked |2.4.B.6b|1
Nearside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5|1
Offside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5|1
Offside Rear Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5|1
All position lamps not working |1.1.A.3b|1
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Rear Brake hose bulging under pressure |3.6.B.3|1
Nearside Front engine mounting deteriorated resulting in excessive movement |6.1.D.1a|1
Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Seat belt retracting mechanism defective |5.2.5b|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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