MOT History from tests of petrol MG B Gs year 1978

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:55.26%

(The average a petrol MG B G year 1978 passes without issue)

Based on:38 MOT Tests

Most common failures	No# failures
Windscreen wiper does not clear the windscreen effectively	5
Headlamp aim out of alignment	5
Exhaust emissions carbon monoxide content excessive \|7.3.B.1a\|	4
Registration plate lamp issues	3
Brake pipe excessively corroded	3
Hazard warning lamps not flashing in phase, with ignition on \|1.4.B.1f\|	2
Nearside Steering rack gaiter split \|2.2.D.2d\|	2
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	2
Rear parking brake recording little or no effort	2
Hazard warning lamps not flashing in phase, with ignition off \|1.4.B.1f\|	2
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	2
Horn not working \|1.6.2a\|	2
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	2
Nearside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	2
Hazard warning tell tale not working correctly \|1.4.B.1e\|	1
Hazard warning switch faulty \|1.4.B.1d\|	1
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	1
Windscreen has damage	1
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	1
Nearside Rear Stop lamp not working \|1.2.1b\|	1
Offside Rear Stop lamp not working \|1.2.1b\|	1
Offside Rear wheel bearing has excessive play \|2.6.2\|	1
Rear Exhaust system not adequately supported \|7.1.1\|	1
Offside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	1
Parking brake: efficiency below requirements \|3.7.B.7\|	1
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	1
An item not tested \|Manual\|	1
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	1
Fuel pipe leaking \|7.2.3\|	1
Nearside Rear wheel bearing has excessive play \|2.6.2\|	1
Offside Rear wheel bearing rough when rotated \|2.6.1\|	1
Nearside Front position lamp\|s\| flickers when tapped lightly by hand \|1.1.4c\|	1
Nearside Front Front suspension has excessive movement at a suspension ball joint \|2.5.A.1c\|	1
Nearside Front Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	1
Offside Steering rack gaiter split \|2.2.D.2d\|	1
Exhaust emissions hydrocarbon content excessive \|7.3.B.1b\|	1
Parking brake: efficiency below requirements \|3.7.C.1b\|	1
Offside Steering system excessively rough \|2.2.D.1\|	1
Offside Front Shock absorber has a serious fluid leak \|2.7.3\|	1
Offside Front Brake hose leaking \|3.6.A.1\|	1
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	1
Offside Stop lamp not working \|1.2.1b\|	1
Nearside Headlamp not working on dipped beam \|1.7.5a\|	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.

Got suggestions? We’re improving this section all the time. If you have any suggestions, please let us know.

Most common failures	No# failures
Windscreen wiper does not clear the windscreen effectively	5
Headlamp aim out of alignment	5
Exhaust emissions carbon monoxide content excessive \|7.3.B.1a\|	4
Registration plate lamp issues	3
Brake pipe excessively corroded	3
Hazard warning lamps not flashing in phase, with ignition on \|1.4.B.1f\|	2
Nearside Steering rack gaiter split \|2.2.D.2d\|	2
Nearside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	2
Rear parking brake recording little or no effort	2
Hazard warning lamps not flashing in phase, with ignition off \|1.4.B.1f\|	2
Offside Rear position lamp\|s\| excessively deteriorated so that it is not visible from a reasonable distance \|1.1.A.3d\|	2
Horn not working \|1.6.2a\|	2
Offside Front position lamp\|s\| not working \|1.1.A.3b\|	2
Nearside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	2
Hazard warning tell tale not working correctly \|1.4.B.1e\|	1
Hazard warning switch faulty \|1.4.B.1d\|	1
Nearside Front Front position lamp\|s\| not working \|1.1.A.3b\|	1
Windscreen has damage	1
Nearside Front position lamp\|s\| not working \|1.1.A.3b\|	1
Nearside Rear Stop lamp not working \|1.2.1b\|	1
Offside Rear Stop lamp not working \|1.2.1b\|	1
Offside Rear wheel bearing has excessive play \|2.6.2\|	1
Rear Exhaust system not adequately supported \|7.1.1\|	1
Offside Rear Suspension spring mounting prescribed area is excessively corroded \|2.4.A.3\|	1
Parking brake: efficiency below requirements \|3.7.B.7\|	1
Offside Front wheel bearing has excessive play \|2.5.A.3c\|	1
An item not tested \|Manual\|	1
Rear Exhaust has a major leak of exhaust gases \|7.1.2\|	1
Fuel pipe leaking \|7.2.3\|	1
Nearside Rear wheel bearing has excessive play \|2.6.2\|	1
Offside Rear wheel bearing rough when rotated \|2.6.1\|	1
Nearside Front position lamp\|s\| flickers when tapped lightly by hand \|1.1.4c\|	1
Nearside Front Front suspension has excessive movement at a suspension ball joint \|2.5.A.1c\|	1
Nearside Front Seat belt anchorage prescribed area is excessively corroded \|5.2.6\|	1
Offside Steering rack gaiter split \|2.2.D.2d\|	1
Exhaust emissions hydrocarbon content excessive \|7.3.B.1b\|	1
Parking brake: efficiency below requirements \|3.7.C.1b\|	1
Offside Steering system excessively rough \|2.2.D.1\|	1
Offside Front Shock absorber has a serious fluid leak \|2.7.3\|	1
Offside Front Brake hose leaking \|3.6.A.1\|	1
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings \|6.1.B.2\|	1
Offside Stop lamp not working \|1.2.1b\|	1
Nearside Headlamp not working on dipped beam \|1.7.5a\|	1

MOT History from tests of petrol MG B Gs year 1978

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