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MOT History from tests of petrol AC COBRAs year 1978

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

mot history
Pass percent:81.64%
(The average a petrol AC COBRA year 1978 passes without issue)
Based on:256 MOT Tests
Most common failuresNo# failures
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|8
Headlamp aim out of alignment8
Parking brake: efficiency below requirements |3.7.B.7|6
Nearside Stop lamp not working |1.2.1b|5
Windscreen wiper does not clear the windscreen effectively4
Parking brake lever has no reserve travel |3.1.6b|4
Registration plate lamp issues4
Horn not working |1.6.2a|4
Offside Stop lamp not working |1.2.1b|4
Brake pedal anti-slip provision missing |3.3.A.1b|4
Registration plate issues4
Rear parking brake recording little or no effort3
Rear brake binding3
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|3
Driver`s seat insecure |6.2.A.1|3
Offside Obligatory mirror missing |8.1.1|3
Nearside Passenger`s seat insecure |6.2.A.1|2
Brakes imbalanced across an axle2
Parking brake: efficiency below requirements |3.7.C.1b|2
Nearside front brake binding |3.7.B.1|2
Service brake: efficiency below requirements |3.7.B.7|2
Nearside Front Front suspension has excessive play in a lower 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 Rear Rear wheel bearing has excessive play |2.6.2|1
Offside Rear Rear wheel bearing has excessive play |2.6.2|1
Offside Front Shock absorber has a serious fluid leak |2.7.3|1
Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1|1
Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1|1
Nearside Rear brake disc contaminated by oil |3.5.1h|1
Offside Rear brake disc contaminated by oil |3.5.1h|1
Brake hose has insufficient room to move1
Battery insecure |1.9.1|1
Upper Steering column universal joint insecure |2.1.5|1
Lower Steering column universal joint has excessive play |2.1.5|1
Nearside Steering rack gaiter split |2.2.D.2d|1
Hazard warning lamps inoperative |1.4.B.1b|1
Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2|1
Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2|1
Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2|1
Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2|1
Offside Front Position lamp not working (4.2.1 (a) (ii))1
Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Nearside Front Statutory seat belt of the wrong type. |5.1.1|1
Offside Front Statutory seat belt of the wrong type. |5.1.1|1
Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c|1
Driver`s door cannot be opened from inside the vehicle |6.2.B.1b|1
Front passenger door cannot be opened from inside the vehicle |6.2.B.1b|1
Nearside Front Upper Front suspension retaining device missing |2.5.A.4|1
Nearside Rear Suspension component mounting prescribed area is fractured |2.4.A.3|1
Offside Rear Suspension component mounting prescribed area is fractured |2.4.A.3|1
Direction indicators not working |1.4.A.2c|1
Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front Upper Steering locking device missing |2.2.C.1g|1
Nearside Windscreen wiper not operating automatically when switched on |8.2.1b|1
Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c|1
Nearside Rear Direction indicators not working |1.4.A.2c|1
Offside Rear Direction indicators not working |1.4.A.2c|1
Nearside Front Direction indicators not working |1.4.A.2c|1
Offside Front Direction indicators not working |1.4.A.2c|1
Hazard warning tell tale not working correctly |1.4.B.1e|1
Steering wheel in a condition that hampers proper control |2.1.1|1
Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Exhaust has a major leak of exhaust gases |7.1.2|1
Nearside Front wheel bearing rough when rotated |2.5.A.2|1
Emissions not tested |7.0|1
Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2|1
Offside Rear wheel bearing has excessive play |2.6.2|1
Front Steering component mounting prescribed area is fractured |2.2.C.1h|1
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|1
Brake pedal has no servo assistance |3.3.B.2|1
Nearside Direction indicator not working |1.4.A.2c|1
Offside Direction indicator not working |1.4.A.2c|1
Stop lamp not working |1.2.1b|1
Offside Front Wheel bearing has excessive play |5.1.3 |a| |i||1
Nearside Exhaust has a major leak of exhaust gases |7.1.2|1
Offside Exhaust system not adequately supported |7.1.1|1
Offside Rear Lower Shock absorber insecure |2.7.2b|1
Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2|1
Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2|1
Offside Steering rack gaiter split |2.2.D.2d|1
Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))1
Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Rear Stop lamp not working |1.2.1b|1
Nearside Headlamp not working on dipped beam |1.7.5a|1
Offside Headlamp not working on dipped beam |1.7.5a|1
Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b|1
Exhaust system not adequately supported |7.1.1|1
Service brake grabbing severely |3.7.C.2|1
Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2|1
Nearside Rear Parking brake inoperative on one side |1.4.1 |a||1
Parking brake efficiency below requirements |1.4.2 |a| |i||1
Nearside Front Service brake juddering severely |3.7.C.2|1
Windscreen washer not working 1
Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b||1
Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Offside Front Tie bar/rod attachment bracket/mounting fractured |2.4.G.1|1
Offside Front Lower Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front Anti-roll bar attachment bracket/mounting cracked |2.4.G.1|1
Nearside Front Vehicle structure is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Brake hose leaking |3.6.A.1|1
Brake performance not tested |3.7.A.1|1
Offside Front Front wheel bearing rough when rotated |2.5.A.2|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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