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MOT History from tests of petrol MG ROADSTERs year 1979

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

mot history
Pass percent:62.20%
(The average a petrol MG ROADSTER year 1979 passes without issue)
Based on:500 MOT Tests
Most common failuresNo# failures
Exhaust emissions carbon monoxide content excessive |7.3.B.1a|37
Headlamp aim out of alignment24
Windscreen wiper does not clear the windscreen effectively23
Registration plate lamp issues18
Horn not working |1.6.2a|16
Exhaust emissions hydrocarbon content excessive |7.3.B.1b|14
Rear brake binding11
Nearside Steering rack gaiter split |2.2.D.2d|11
Parking brake: efficiency below requirements |3.7.B.7|10
Offside Front position lamp|s| not working |1.1.A.3b|9
Rear parking brake recording little or no effort8
Offside Steering rack gaiter split |2.2.D.2d|8
Brake hose excessively deteriorated6
Parking brake lever has no reserve travel |3.1.6b|6
Hazard warning switch faulty |1.4.B.1d|6
Registration plate issues6
Direction indicators flashing less than 60 times a minute |1.4.A.2g|5
Brakes imbalanced across an axle5
Service brake: efficiency below requirements |3.7.B.7|5
Offside Stop lamp not working |1.2.1b|4
Nearside Stop lamp not working |1.2.1b|4
Nearside Rear position lamp|s| not working |1.1.A.3b|4
Rear brake application uneven4
Offside Front wheel bearing has excessive play |2.5.A.3c|4
Offside Front Steering rack gaiter split |2.2.D.2d|4
Direction indicators not working |1.4.A.2c|4
Brake hose has insufficient room to move4
Offside Rear position lamp|s| not working |1.1.A.3b|4
Offside Headlamp not working on dipped beam |1.7.5a|4
Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|3
Nearside Headlamp aim beam image kick up to the offside |1.8|3
Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g|3
Offside Direction indicators flashing less than 60 times a minute |1.4.A.2g|3
Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|3
Stop lamp not working |1.2.1b|3
Fuel system component leaking |7.2.3|3
Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|3
Nearside Front wheel bearing has excessive play |2.5.A.3c|3
Nearside Track rod end ball joint has excessive play |2.2.B.1f|3
Nearside Front Shock absorber has a serious fluid leak |2.7.3|3
Exhaust emissions hydrocarbon content excessive |8.2.1.2 |b||3
Nearside Headlamp not working on dipped beam |1.7.5a|3
All position lamps not working |1.1.A.3b|3
Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|3
Centre Exhaust system not adequately supported |7.1.1|2
Offside Front Front position lamp|s| not working |1.1.A.3b|2
Direction indicators flashing more than 120 times a minute |1.4.A.2g|2
Offside Headlamp aim beam image kick up to the offside |1.8|2
Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii||2
Offside Rear Shock absorber has a serious fluid leak |2.7.3|2
Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|2
Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6|2
Nearside rear brake recording little or no effort |3.7.B.5a|2
Offside rear brake recording little or no effort |3.7.B.5a|2
Hazard warning tell tale not working correctly |1.4.B.1e|2
Offside Track rod end ball joint has excessive play |2.2.B.1f|2
Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c|2
Offside Front Shock absorber has a serious fluid leak |2.7.3|2
Nearside Front position lamp|s| not working |1.1.A.3b|2
Offside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|2
Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|2
Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a|2
Steering system fouling |2.2.D.2a|2
Nearside Rear Stop lamp not working |1.2.1b|2
Offside Rear Stop lamp not working |1.2.1b|2
Nearside front brake recording little or no effort |3.7.B.5a|2
Rear Exhaust has a major leak of exhaust gases |7.1.2|2
Windscreen washer not working 2
Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b||2
Battery insecure |1.9.1|2
Exhaust has a major leak of exhaust gases |7.1.2|2
Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|2
Nearside Rear Wheel nut|s| missing |4.2.A.1e|1
Seat belt anchorage prescribed area is excessively corroded inner sills |5.2.6|1
Nearside Front coil spring broken |2.4.C.1a|1
Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h|1
Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a|1
Offside Front Front wheel bearing rough when rotated |2.5.A.2|1
Rear Exhaust system not adequately supported |7.1.1|1
Nearside Rear Brake relay lever has restricted free movement |3.5.1k|1
Nearside Outer Lower Front suspension locking device missing |2.5.A.4|1
Offside Inner Lower Front suspension locking device missing |2.5.A.4|1
Offside Outer Lower Front suspension locking device missing |2.5.A.4|1
Nearside Rear Shock absorber has an excessively worn bush |2.7.4|1
Nearside Rear Shock absorber has an excessively worn linkage |2.7.4|1
Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Seat belt retracting mechanism defective |5.2.5b|1
Exhaust emissions carbon monoxide content excessive reading 8.80% |limit 4.50%| |8.2.1.2 |b||1
Offside Headlamp not in good working order adversely affecting beam image |1.2.4a|1
Offside Rear Side repeater not working |1.4.A.2c|1
Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a|1
Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c|1
Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2|1
Service brake: efficiency below requirements |3.7.D.4|1
Parking brake: efficiency below requirements |3.7.D.4|1
Steering wheel retaining device insecure |2.1.6|1
Offside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Headlamp not working on dipped beam both |1.7.5a|1
Headlamp not working on main beam both |1.7.5a|1
Brake pipe excessively corroded1
Fluid leaking continuously posing a serious risk to road safety Fuel |8.4.1 |a| |ii||1
Nearside Rear rear brake recording little or no effort |3.7.B.5a|1
Offside Rear rear brake recording little or no effort |3.7.B.5a|1
Offside An item not tested |Manual|1
Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a|1
rear brakes release unevenly |3.7.B.4|1
Nearside Outer Front suspension has excessive play in a upper wishbone bearing |2.5.B.1a|1
Nearside Outer Front suspension has excessive play in a lower wishbone bearing |2.5.B.1a|1
Offside Outer Front suspension has excessive play in a upper wishbone bearing |2.5.B.1a|1
Offside Outer Front suspension has excessive play in a lower wishbone bearing |2.5.B.1a|1
Steering rack gaiter split |2.2.D.2d|1
Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement front and rear inner bushes |2.4.G.2|1
Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement front and rear inner bushes |2.4.G.2|1
Nearside Ball joint has excessive play |2.2.B.1f|1
Offside Ball joint has excessive play |2.2.B.1f|1
Mechanical brake component has restricted free movement1
Nearside Front Steering rack gaiter insecure |2.2.D.2d|1
Offside Front Steering rack gaiter insecure |2.2.D.2d|1
Rear position lamp|s| not working |1.1.A.3b|1
Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b|1
Offside Inner Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2|1
Fuel hose leaking |7.2.3|1
Nearside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a|1
Fuel pipe insecure |7.2.1|1
Nearside Front Front passenger door cannot be opened from inside the vehicle |6.2.3 |a||1
Nearside Front Mechanical brake component locking device insecure |3.5.1l|1
Offside Front Mechanical brake component locking device insecure |3.5.1l|1
Offside Rear Wheel nut|s| loose |4.2.A.1e|1
Nearside Front Lower Suspension arm pin or bush excessively worn WISH BONE |5.3.4 |a| |i||1
Offside Front Lower Suspension arm pin or bush excessively worn WISH BONE |5.3.4 |a| |i||1
Offside Obligatory mirror insecure |8.1.1|1
Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Front Direction indicator incomplete |1.5.A1b|1
Offside Front Brake pipe inadequately clipped |3.6.B.1|1
Exhaust has a major leak of exhaust gases front section |6.1.2 |a||1
Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3|1
Offside Rear wheel bearing rough when rotated |2.6.1|1
Offside Driver`s door cannot be opened from inside the vehicle |6.2.B.1b|1
Offside Seat belt retracting mechanism defective & has a cut |5.2.5b|1
Nearside Front Front suspension has excessive play in a pin or bush of an upper wishbone inner bearing |2.5.B.1a|1
Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Fuel pipe leaking |7.2.3|1
Nearside Front All position lamps not working |1.1.A.3b|1
Offside Front All position lamps not working |1.1.A.3b|1
Nearside Rear All position lamps not working |1.1.A.3b|1
Offside Rear All position lamps not working |1.1.A.3b|1
Offside Outer Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c|1
Nearside Front Steering pivot point has excessive play |2.2.B.1g|1
Offside Rear Suspension arm synthetic mounting deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Rear Suspension arm synthetic mounting deteriorated resulting in excessive movement |2.4.G.2|1
Nearside Rear Braking system leaking |3.6.A.1|1
Brake pedal spongy |3.3.B.1b|1
Nearside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3|1
Offside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3|1
Nearside Front Steering rack gaiter split |2.2.D.2d|1
Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2|1
Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a|1
Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3|1
Front coil spring fractured |2.4.C.1a|1
Front Shock absorber has a serious fluid leak |2.7.3|1
Steering rack insecure |2.2.B.1a|1
Nearside Headlamp adversely affected by the operation of another lamp |1.7.5c|1
Stop lamp not working Both. |1.2.1b|1
Nearside Indicator tell tale inoperative |1.4.A.2a|1
Brake cable locking device insecure |3.5.1l|1
Nearside Headlamp not working on main beam |1.7.5a|1
Offside Rear Position lamp not working (4.2.1 (a) (ii))1
Windscreen wiper blade insecure1
Hazard warning lamps inoperative |1.4.B.1b|1
Nearside Front Coil spring mounting insecure |5.3.1 |a| |i||1
Nearside Front Valve stem seriously damaged |5.2.3 |j||1
Nearside Rear Valve stem seriously misaligned |4.1.D.1e|1
Bonnet cannot be secured in the closed position |8.4.1|1
Front Fuel system component leaking |7.2.3|1
Brake reservoir fluid level decreases after several pedal applications |3.3.C.1|1
Direction indicators adversely affected by the operation of another lamp |1.4.A.2h|1
Fuel tank leaking |7.2.3|1
Nearside Direction indicators not working |1.4.A.2c|1
Offside Direction indicators not working |1.4.A.2c|1
Rear Fuel hose leaking |7.2.3|1
Nearside Front brake caliper securing device excessively deteriorated |3.5.1j|1
Offside Front brake caliper securing device excessively deteriorated |3.5.1j|1
Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2|1
Offside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f|1
Offside Rear Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f|1
Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g|1
Offside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g|1
Offside Headlamp not working on main beam |1.7.5a|1
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f|1
Offside Seat belt locking mechanism does not secure or release |5.2.5a|1
Rear Mechanical brake component has restricted free movement1
Offside Front Body has a sharp edge caused by corrosion |6.1.C.1|1
Nearside Front Road wheel bead rim badly distorted |4.2.A.1a|1
Offside Front Front suspension locking device ineffective |2.5.A.4|1
Driver`s door cannot be opened from inside the vehicle |6.2.B.1b|1
Upper Steering column universal joint cracked and unserviceable |2.2.C.1d|1
Offside front brake binding |3.7.B.1|1
Offside Front Lower Suspension arm attachment bracket/mounting bolt missing Rear bolt |2.4.G.1|1
Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2|1
Offside Front Seat belt locking mechanism does not secure or release |5.2.5a|1
Nearside Windscreen wiper blade missing |8.2.2|1
Nearside Front Anti-roll bar attachment bracket/mounting corroded and seriously weakened Chassis top (5.3.3 (b) (i))1
Offside Rear Suspension spring mounting prescribed area is corroded to the extent that control of the vehicle is likely to be adversely affected rear spring front mounting (5.3.6 (a) (ii))1
Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Shocker mount (5.3.6 (a) (i))1
Offside Rear Suspension component mounting prescribed area is inadequately repaired Shocker mount (5.3.6 (a) (i))1
Nearside Front Lower Suspension component insecurely attached Nut loose (5.3.3 (a) (i))1
Offside Front Lower Suspension component insecurely attached Nut loose (5.3.3 (a) (i))1
Offside Front Lower Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i))1
Nearside Front Upper Suspension arm pin or bush excessively worn |5.3.4 |a| |i||1
Offside Front Upper Suspension arm pin or bush excessively worn |5.3.4 |a| |i||1
Nearside Rear Service brake excessively binding (1.2.1 (f))1
Service brake efficiency below requirements (1.2.2 (a) (i))1
Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3|1
Nearside Front Fluid suspension unit leaking |2.4.D.2|1
Offside Front Fluid suspension unit deteriorated and likely to fail |2.4.D.1b|1
Parking brake lever insecure |3.1.3b|1
Nearside Front Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d|1
Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4|1
Exhaust system not adequately supported |7.1.1|1
Nearside Rear Direction indicator not working |1.4.A.2c|1
Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2|1
Rear Brake hose leaking |3.6.A.1|1
Nearside front brake binding |3.7.B.1|1
Offside Rear Shock absorber insecure |2.7.2b|1
Nearside Front Front position lamp|s| not working |1.1.A.3b|1
Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6|1
Offside Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2|1
Nearside Front front brake binding |3.7.B.1|1
Front Exhaust has a major leak of exhaust gases |7.1.2|1
Offside Rear Braking system leaking |3.6.A.1|1
Offside Front Shock absorber has negligible damping effect |2.7.5|1
Nearside Front passenger seat insecure |6.2.3|1
Fuel cap/sealing device sealing washer deteriorated |7.2.4c|1
Stop lamp|s| all not working |4.3.1 |a| |iii||1
Offside Front wheel bearing rough when rotated |2.5.A.2|1
Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii||1
Offside Headlamp not working on dipped beam |4.1.1 |a| |ii||1
Horn not working |7.7 |a| |ii||1
Rear fog lamp not working |1.3.2b|1
Offside Rear rear brake grabbing severely |3.7.A.5b|1
Brake servo leaking |3.6.C.1c|1
Nearside Rear Shock absorber has a serious fluid leak |2.7.3|1
Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3|1
Offside Rear Brake hose bulging under pressure |1.1.12 |d||1
Nearside Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced |6.1.1 |c| |i||1
Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2|1
Nearside Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c|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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