Quote:
Originally Posted by dsgerbc
With full statistical backing I can tell you that if a survey of 10% of vehicles sold shows 80% incidence, then a true incidence is at least 8% which is already large.
So I really hope they revised the pump w/o changing the numbers. With TSB out they will have no choice but to repair'em again is this fix doesn't work, and then, after a few more tries, have to buy back those cars. Even MBA grads can calculate that it will cost dough, which is why I think they revised the pump.
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For what it's worth, I never claimed there wasn't a design change.
You can't characterize the quality of the data. By my recollection more than one user posted samples of a non-chirping engine, claiming it chirps...and that's just users who posted with examples. Likewise, I think combined US sales are above 6k.
The potential incidence rate is high. But especially if the issue has already been addressed in new production, there's just no reason not to use a "bad" part that has a 90%+ likelihood of being good. You dump an order of magnitude every time you expect it to fail consecutively, and they're probably close to all being used up anyway. At some point you should start buying lottery tickets if you're worried about this.
Some proportion of customers probably won't notice, and some other proportion might think it's normal or possibly even accept it.
My issue with this noise all along has been that I didn't get to choose whether I accept it (I don't), and the car I signed for didn't sound like this...thus, I was willfully misled by Subaru.