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Oiling issue causes 2016-2017 Taco engines to seize?

  • Thread starter Thread starter RevN3
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Interesting, as an engineer I wonder if a tolerance stacking issue may be a contributor. In a tolerance stacking issue you have parts that meet specifications but are on the edge of the specification. If you get multiple parts on the edge of the specification you can run into problems. Either Toyota changed the design of a part, or they adjusted the manufactured parts to be closer to the optimum dimensions. They may have even done both to resolve the issue. My guess is a tolerance stacking issue is a contributor because many owners of 2016 and 17 Tacoma's have zero issues. If it was exclusively a part design issue, I would suspect a lot more Tacoma's would have this issue. This of course is just my best guess based on this video and my personal experience as an engineer, but I am not in the automotive industry so others might have better insight than myself on this issue. Either way this makes me glad mine is a 2023.
 
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