Motor vehicle quality appraisal

Motor vehicles refer to wheeled vehicles driven or pulled by power units and designed to travel on roads, carry people or objects, and complete specific tasks, including cars, motorcycles, tractors, etc., but do not include rail vehicles. According to their characteristics, they can be divided into six categories: large, small, special, special, tram and trolley bus.
In motor vehicle quality appraisal cases, Zhongke Testing can provide motor vehicle quality appraisal services.

1, large cars, small cars, special cars, special vehicles;
2, trams, trolleybuses, battery cars;
3, motorcycles and mopeds;
4, four-wheel agricultural transport vehicles, three-wheel agricultural transport vehicles, tractors, wheeled bicycle special machinery;
5, full trailers and semi-trailers.

GB 7258-2017 Motor vehicle operation safety technical conditions
GB/T 15766.2-2016 Road motor vehicle light bulbs Performance requirements
GB 15084-2022 Motor vehicles Indirect vision devices Performance and installation requirements
GB 15742-2019 Performance requirements and test methods for motor vehicle horns
GB 11554-2008 Light distribution performance of rear fog lights for motor vehicles and trailers
GB/T 13594-2003 Performance and test methods for anti-lock braking of motor vehicles and trailers
GB/T 16178-2011 Technical requirements for safety inspection of motor vehicles in the field (factory)
GB/T 15766.1-2008 Dimension and photoelectric performance requirements for road motor vehicle light bulbs

After a motor vehicle has traveled 10,000 kilometers, the speed cannot be increased during driving and is limited to less than 50 kilometers/hour. The owner sent the car to the repair shop many times, but the problem could not be properly solved. During the repair process, it was found that there were signs of prying on the parts, which was suspected to be a refurbished car.
was entrusted by the court to conduct appraisal and analysis on "whether there are quality problems" of the motor vehicle involved in the case.
identification and analysis results:
The identification and analysis expert group discussed the relevant information and on-site investigation of the motor vehicle involved and conducted a comprehensive quality and technical analysis, and made the following suggestions and conclusions:
1. The vehicle had surge phenomena when driving at high speed, mainly because the vehicle parts did not meet the factory standards, resulting in surge phenomena.
2, the vehicle has traces of repairs after impact.