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MOT History from tests of petrol MG MGB-GTs year 1979

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

mot history
Pass percent:53.66%
(The average a petrol MG MGB-GT year 1979 passes without issue)
Based on:41 MOT Tests
Most common failuresNo# failures
Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Horn not working |1.6.2a|3
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|2
Headlamp aim out of alignment2
Rear Exhaust has part of the system excessively deteriorated |7.1.1a|2
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|2
Rear brake binding2
Parking brake lever has no reserve travel |3.1.6b|1
Registration plate lamp issues1
Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill |5.3.6 |a| |i||1
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|1
Rear Brake hose leaking |3.6.A.1|1
Fuel system component leaking |7.2.3|1
Registration plate issues1
Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Offside Direction indicators flashing less than 60 times a minute |1.4.A.2g|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings outer sill |6.1.B.2|1
Battery insecure |1.9.1|1
Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings floor |6.1.B.2|1
Offside Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings sill end |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 Shock absorber has a serious fluid leak |2.7.3|1
Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Parking brake: efficiency below requirements |3.7.B.7|1
Hazard warning switch faulty |1.4.B.1d|1
Nearside Rear Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings sill |6.1.B.2|1
Nearside Stop lamp(s) not working (4.3.1 (a) (ii))1
Horn not working (7.7 (a))1
Nearside Front Body component corroded and likely to cause injury Lower wing corroded excessively (6.2.1 (a) (i))1
Offside Rear Body component corroded and likely to cause injury Wheel arch corroded and inadequately repaired (6.2.1 (a) (i))1
Nearside Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced Sill corroded (6.1.1 (c) (i))1
Service brake efficiency below requirements (1.2.2 (a) (i))1
Exhaust has a major leak of exhaust gases |7.1.2|1
Offside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1|1
Emissions not tested |8.2.1.2 |d||1
Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1|1
Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|1
Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Brakes imbalanced across an axle1
Nearside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Nearside Front Ball joint has excessive play |2.2.B.1f|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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