Research On Service Parts Quality Improvement For Y Motor Company

In 2018,the passenger car market in China presented a negative growth for the first time since the past 28 years;competition among automotive enterprises is increasingly fierce,the customer’s primary focus on buying a car has shifted from price to quality nowadays.It can be seen that the automotive quality is essential to the survival of an automotive enterprise in the market competition.The automotive quality includes pre-sales service quality,finished vehicle use quality,and aftersales service quality.Aftersales service in China is mainly provided by 4S stores of each automotive enterprise,so its quality may directly influence the customer’s feeling to the brand of the automotive enterprise,thus influencing the reputation and even the sales volume.In particular,the quality of service parts determines the waiting time for customer vehicle maintenance and the driving safety,and draws more and more attention from the customer.In this paper,the author analyzed the quality complaints from the market by taking the service parts quality management of Y Automotive Company as the sample,and started with two main quality problems including the incorrect products and the nonstandard taillight gap of the old-type H model.The author concluded that the supplier performs the inadequate management in the process of inventory management,cargo consolidation and ex-factory inspection,thus causing impossibility to prevent the delivery of the defective product.Besides,after the mass production of finished vehicles is shifted to the old-type production,there are problems of improper equipment management and unauthorized change of production line,due to the supplier’s weak awareness for the service parts quality management.Y Automotive Company has also realized that it fails to execute the sufficient management in instructing the supplier’s quality assurance method and how to restrict the supplier to assure the quality of the service parts at the stage of old-type production.Finally,the author proposed the improvement plans by reference to the management philosophy of Toyota production system,based on supply chain quality management and six sigma management methods,with regard to the existing problems that Y Automotive Company has for its service parts quality management.First of all,the service parts inspection mechanisms of Y Automotive Company and the supplier should be established based on the accomplishment within one process;then,the inventory management and cargo consolidation methods of the supplier should be improved based on the Poka-Yoke method.In relation to the old-type production quality management,it is necessary to improve the Product QC Plan,standard operation manual and old-type equipment spot inspection rules.In addition,the service parts market quality should be improved on the basis of strengthening the supplier’s service parts quality management awareness and level of Y Automotive Company by means of developing the supplier’s old-type process change management system,issuing the supplier’s quality assurance manual,improving the supplier’s appraisal criteria for the purchase department,etc.