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MOT History from tests of diesel CHEVROLET GMC ALLEGROs year 1991

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

mot history
Pass percent:66.67%
(The average a diesel CHEVROLET GMC ALLEGRO year 1991 passes without issue)
Based on:18 MOT Tests
Most common failuresNo# failures
Rear brake application uneven4
Horn not working |1.6.2a|2
Offside Front Battery insecure |1.9.1|2
Parking brake: efficiency below requirements |3.7.B.7|2
Brakes imbalanced across an axle2
Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))1
Offside Rear Shock absorbers has a serious fluid leak1
Offside Rear Parking brake inoperative on one side (1.4.1 (a))1
Windscreen wiper does not clear the windscreen effectively1
Rear fog lamp tell tale not working |1.3.1b|1
Offside Rear fog lamp not working |1.3.2b|1
Offside Rear Rear fog lamp not working |1.3.2b|1
Nearside Front Upper Headlamp not working on dipped beam |1.7.5a|1
Rear parking brake recording little or no effort1
Nearside rear brake recording little or no effort |3.7.B.5a|1
Electrical wiring insecure cable front to rear nearside chassis |1.9.2a|1
Central Rear Brake hose bulging under pressure |3.6.B.3|1
Offside Rear Exhaust has a major leak of exhaust gases |7.1.2|1
Parking brake lever ratchet mechanism is broken |3.1.5|1
Offside Front brake disc contaminated by brake fluid |3.5.1h|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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