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MOT History from tests of diesel LEYLAND AEC ROUTEMASTERs year 1966

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

mot history
Pass percent:69.40%
(The average a diesel LEYLAND AEC ROUTEMASTER year 1966 passes without issue)
Based on:232 MOT Tests
Most common failuresNo# failures
Service brake: efficiency below requirements |3.7.B.7|25
Headlamp aim out of alignment21
Brakes imbalanced across an axle10
Parking brake: efficiency below requirements |3.7.B.7|5
Rear parking brake recording little or no effort5
Parking brake: efficiency below requirements |3.7.D.4|5
Rear brake binding4
Rear brake application uneven4
Offside Rear Braking system leaking |3.6.A.1|3
Transmission brake efficiency below requirements |3.8.A.9/10|3
Nearside Front position lamp|s| not working |1.1.A.3b|3
Offside Stop lamp not working |1.3.2a|3
Nearside Stop lamp not working |1.3.2a|3
Rear Exhaust has a major leak of exhaust gases |7.1.2|3
Offside Front Axle king pin has excessive play in pin and/or bush, adversely affecting the steering |2.5.A.3a|2
Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.3|2
Horn does not function |6.2.1b|2
Offside Front position lamp|s| not working |1.1.A.3b|2
Indicator switch faulty |1.4.A.1|2
Windscreen washer control missing |6.1.1a|2
Speedometer cannot be illuminated. |6.7.3|2
Nearside Front Headlamp insecure |1.2.4b|2
Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b|2
Offside Headlamp not working on dipped beam |1.2.4a|2
Nearside Headlamp not working on main beam |1.2.4a|2
Offside Headlamp not working on main beam |1.2.4a|2
Offside Front Braking system leaking |3.6.A.1|2
Offside Rear Sub-frame fractured |2.4.G.1|1
Nearside Braking system leaking |3.6.A.1|1
Nearside front brake recording little or no effort |3.7.B.5a|1
Offside front brake recording little or no effort |3.7.B.5a|1
Nearside rear brake recording little or no effort |3.7.B.5a|1
Offside rear brake recording little or no effort |3.7.B.5a|1
Offside Stop lamp not working |1.2.1b|1
Nearside Front Direction indicator incorrect colour |1.4.A.2f|1
Nearside Front position lamp|s| not in good working order |not working| |1.1.4a|1
Nearside Front Dipswitch operation does not does not deflect all main beam headlamps to make them dipped beams |1.2.3b|1
Offside Front Dipswitch operation does not does not deflect all main beam headlamps to make them dipped beams |1.2.3b|1
Offside Rear Wheel nut loose |4.2.1g|1
Brake hose excessively deteriorated1
Nearside Front Brake pipe inadequately clipped |3.6.B.1|1
Front Headlamp does not operate immediately when selected on main beam |1.2.3a|1
Braking system leaking |3.6.A.1|1
Emergency exit sign missing |6.2.D.3|1
Fuel tank leaking |7.2.3|1
Brake operation has insufficient assistance for at least two more brake applications after the warning device has operated |3.3.C.3b|1
Offside Front Headlamp not in good working order |not working| |1.2.4a|1
Nearside Front Direction indicator incomplete |1.5.1b|1
Front Windscreen wiper blade deteriorated |6.1.2|1
Brake warning device not working correctly |3.3.D.3a|1
Fuel pipe leaking |7.2.3|1
Nearside Front Fuel pipe excessively chafed near joint to metal pipe |7.2.2|1
Rear rear brake recording little or no effort |3.7.B.5a|1
Hazard warning tell tale not working correctly |1.5.4c|1
Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a|1
Offside Front Windscreen washer control missing |6.1.1a|1
Nearside Front wheel bearing has excessive play |2.5.A.3c|1
Fuel system component leaking |7.2.3|1
Front Power steering fluid level below minimum |2.3.1|1
Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b|1
Brake performance not tested |3.7.A.1|1
Registration plate lamp issues1
Offside Windscreen wiper not operating automatically when switched on |6.1.1b|1
Emergency exit sign illegible |6.2.D.3|1
Emergency exit window cannot be opened from inside the vehicle |6.2.D.1a|1
Offside Front position lamp|s| not in good working order |not working| |1.1.4a|1
Nearside Headlamp not working on dipped beam |1.2.4a|1
Nearside Rear Stop lamp not working |1.2.1b|1
Offside Rear Stop lamp not working |1.2.1b|1
Nearside Stop lamp not working |1.2.1b|1
Offside Lower Emergency exit window cannot be opened from outside the vehicle |6.2.D.1a|1
Exhaust emits clearly visible black smoke during acceleration |7.4.A2|1
Exhaust emits dense blue smoke at idle |7.4.A.1|1
Centre Rear Fuel system component leaking |6.7.1a|1
Centre Rear Exhaust has a major leak of exhaust gases |6.3.2a|1
Nearside Rear Brake operation has insufficient assistance for at least two more brake applications after the warning device has operated |3.3.C.3b|1
Nearside Axle king pin has excessive play in pin and/or bush, adversely affecting the steering |2.5.A.3a|1
Upper Emergency exit door cannot be opened from inside the vehicle |6.2.D.1a|1
Nearside Front Front wheel bearing has excessive play |2.5.A.3c|1
Mechanical brake component has restricted free movement1
Front brake application uneven1
Speedometer clearly inoperative |6.7.2|1
Offside Rear reflector missing |1.5.1a|1
Offside Lower Emergency exit window cannot be opened from outside the vehicle glass has film on it |6.2.D.1a|1
Nearside Inner Emergency exit sign missing |6.2.D.3|1
Electrical wiring damaged, likely to cause a short through bulk head |1.9.2b|1
Front Exhaust has a major leak of exhaust gases next to flexi |7.1.2|1
Windscreen washer control missing |8.2.1a|1
Upper Emergency exit window cannot be opened from inside the vehicle |6.2.D.1a|1
Rear position lamp|s| incorrect colour |1.1.A.3e|1
Lower Entrance/exit door emergency control inoperative |6.2.C.2|1
Upper Emergency exit sign missing |6.2.D.3|1
Lower Emergency exit sign illegible |6.2.D.3|1
Lower Emergency exit window cannot be opened from inside the vehicle |6.2.D.1a|1
Fuel cap/sealing device sealing washer deteriorated |7.2.4c|1
Parking brake lever is defective |3.1.3|1
Nearside Front Body has sharp edges or projections caused by corrosion or damage making the vehicle dangerous to other road users |6.5.10|1
Nearside Rear Braking system leaking |3.6.A.1|1
Nearside Front Headlamp insecure |1.7.3|1
Offside Power steering ram|s| leaking from a failed component |2.3.3b|1
Offside Power steering pipe|s| or hose|s| leaking |2.3.3b|1
Nearside Headlamp aim beam image kick up to the offside |1.6|1
Offside Rear Exhaust has a major leak of exhaust gases |6.3.2a|1
Nearside Front front brake binding |3.8.A2a|1
Offside Front front brake binding |3.8.A2a|1
Offside Rear front brake binding |3.8.A2a|1
Windscreen washer not working 1
Nearside Stop lamp(s) not working (4.3.1 (a) (ii))1
Front Exhaust has a major leak of exhaust gases front flexi pipe detached (6.1.2 (a))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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