Toyota Motor Manufacturing Case Study

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Toyota Motor Manufacturing, U.S.A. Inc. Case Study Question 1. As Doug Friesen, what would you do to address the seat problem? Where would you focus your attention and solution efforts? As Doug Friesen did, I also would have started with the idea of “let’s go see it” to address the problem. I would visit the cars in the clinic and overflow area and study Exhibit 8, the Group Leader’s Seat Defect Data, and Exhibit 10, Andon Pulls. From this data, we see that most issues stem from missing parts or material flaws. However, Friesen adjourned his meeting after visiting the site of the issue and bouncing around ideas but the study never mentioned him specifically going through the Five Whys as he had been coached by TPS. Some of his whys could have They could stock extra inventory in case of defects but this is a direct violation of the TPS policy of waste and JIT production. Also, it doesn’t solve the problem although it could temporarily alleviate some of the defects in the clinic and overflow areas. Another option would be to hire a second supplier for seats. KFS could specialize in Camry seats while another supplier specializes in the new station wagon model seats. However, this could create additional scheduling conflicts. Toyota has tried to extend the principles of TPS to their suppliers and has had a mutually beneficial relationship with KFS thus far. It would be more costly to find a 2nd supplier that matches (or is willing to learn) TMM’s practices rather than to re-train or modify KFS’s current production line and processes. Another option could be less product customization options. The product proliferation of the seats seems to be the root cause of KFS’s issues. If Toyota were willing to offer fewer choices, this might be another way to boost production back to their former levels. However, with Toyota’s slogan of “better cars for more people”, the company’s focus was to offer more diverse customer Nearly all of the issues relating to the reduced run ratio can be attributed to this issue since these issues were not happening before the shift in interior variety. The increase in variety led to production issues from KFS. The production issues then caused a rise in defective seats and reduced run ratio from 95% to 85%. Most defects were due to material flaw which could’ve been from KFS or from TMM worker’s ineffectively installing the seat (broken hook, cross threading, carelessness with hand tool). The lowered ratio decreased per shift production while increasing overtime to compensate. This will lead to lower profits over time. However, as stated before, meeting diverse preferences is a point of pride for Toyota and is included in their motto. Therefore, if the variety isn’t going to change, the operations processes must be tailored to fit the new “normal” in terms of product

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