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MOT History from tests of petrol CHEVROLET GMCs year 1979

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

mot history
Pass percent:65.52%
(The average a petrol CHEVROLET GMC year 1979 passes without issue)
Based on:29 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment7
Battery insecure |1.9.1|2
Windscreen has damage1
Driver`s door cannot be opened from inside the vehicle |6.2.B.1b|1
Nearside Front Headlamp not working on dipped beam |1.7.5a|1
Nearside Front Headlamp not working on main beam |1.7.5a|1
Brake pedal has insufficient reserve movement |3.3.A.5|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
Brake master cylinder leaking hydraulic fluid |3.6.G.1f|1
Service brake: efficiency below requirements |3.7.B.7|1
Brakes imbalanced across an axle1
Registration plate lamp issues1
Driver`s door catch deteriorated so the door cannot be readily opened or closed |6.2.B.2|1
rear brake excessively fluctuating |3.7.B.3|1
Windscreen wiper not operating automatically when switched on |8.2.1b|1
Vehicle structure excessively corroded within 30cm of towbar mounting as marked |6.6.6|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
Nearside Headlamp not working on main beam |4.1.1 |a| |ii||1
Offside Headlamp not working on main beam |4.1.1 |a| |ii||1
Offside Rear Direction indicator incorrect colour |4.4.3 |a||1
Battery insecure and likely to cause a short circuit |4.13 |a| |ii||1
Electrical wiring likely to touch hot or rotating parts rubbing on steering column under bonnet |4.11 |a| |iii||1
Nearside Front Direction indicator obviously incorrectly positioned |1.4.A.2b|1
Hazard warning lamps inoperative |1.4.B.1b|1
Nearside Windscreen wiper not operating automatically when switched on |8.2.1b|1
Offside Windscreen wiper not operating automatically when switched on |8.2.1b|1
Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c|1
Nearside Stop lamp not working |1.2.1b|1
Offside Stop lamp not working |1.2.1b|1
Steering box fractured and unserviceable |2.2.C.1d|1
Parking brake: efficiency below requirements |3.7.B.7|1
Brake pedal anti-slip provision missing |3.3.A.1b|1
Front Windscreen wiper not operating automatically when switched on |8.2.1b|1
Offside Obligatory mirror insecure |8.1.1|1
Nearside Front Direction indicator not working |1.4.A.2c|1
Nearside Rear Direction indicator not working |1.4.A.2c|1
Nearside Side repeater not working |1.4.A.2c|1
Nearside Rear position lamp|s| not working |1.1.A.3b|1
Rear Stop lamp not working |1.2.1b|1
Electrical wiring inadequately supported |1.9.2a|1
Electrical wiring insecure |1.9.2a|1
Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6|1
Steering component mounting prescribed area is fractured |2.2.C.1h|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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