In addition, in a survey of "the most prone to problems or quality problems", 19 people chose automobile engines, accounting for 61.29%; Secondly, nearly 30% of car owners choose electronic products and accessories. In a survey of "the most obvious quality problems or shortcomings of this new car", the owners who feel the most obvious abnormal noise problems are the most (mainly engine abnormal noise), accounting for 83.87%. In addition, more than 30% car owners feel that the problem of car jitter is more serious.
The abnormal sound of Lang Wei engine is due to quality defects, such as engine cylinder pulling, piston rod cracking, engine piston cracking, cylinder fire and many other common problems encountered by many car owners. Even the professional technicians of SAIC-GM's 4S shop admitted frankly, "The LaCrosse, Angkor and Lang Wei all have the problem of fire in the No.2 cylinder of this car engine." Under the normal driving condition of less than 30,000 kilometers, the engine piston is broken, which leads to engine cylinder pulling, engine cylinder disintegration, overhaul and even engine cylinder disintegration and replacement.
In addition, according to the real feedback from car owners, most of the problems are focused on Veyron powershift. In fact, not only Lang Wei, but also the new Yinglang, Old Regal, LaCrosse and other models under the Buick Automobile Group have transmission shortcomings. Many customers have just come out from the warranty period after placing an order, and the gearbox is abnormal, wobbling to the end, and the driving force is completely lost, which is followed by expensive maintenance costs. In view of the rights protection problems of many car owners and consumers, SAIC-GM does not admit its own equipment defects, and so far _ has come up with a satisfactory solution.
Million car purchase subsidy