Quote:
Originally Posted by FRS Dad
Let me use your analogy. The manufacturer specifies viscocity and grade, but you change your own oil and use the wrong kind. Later that same day you realize the error. Do you:
A) Go to the dealership parts department and order a new engine.
B) Trade the car in for a brand new car, taking a hit for depreciation.
C) Change the oil again using the correct product and go on with your life.
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The thing is they didn't simply use an oil with the wrong grade.
OP didn't say if it's ATF or not, but ATF isn't an oil, and who's to say what they put in hasn't caused long term damage that isn't apparent yet?
It's all hypothetical, but what if the motor blows in a few months for some unknown reason. It may or may not be the dealers fault. But it might be. And if it is, OP potentially loses time and money due to their mistake.
Sure, he gets a new engine. But he still loses. I would be skeptical as hell buying a new-ish car with a replaced engine or tranny. The first thing that comes to mind is it was beaten, poorly maintained, or both. A dealership selling the car would try to pass it off as a good thing, but that's besides the point.