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I don't think fanatical oil change can preempt most of these expensive failures including timing chain.
There's the thermostat and water pump problems, and then front trans axle on x models.
I guess I'll change out my own free dealer 5w30 to Mobil 1 0w40 at 8k miles so I CAN MEASURE HOW LOW OIL LEVEL MIGHT BE.
Dash oil level feature never showed anything but full, and when I did my only change at 5k miles. It was near 1 quart low.
I put in 5 quart jug, but don't trust electronic gauge.
So how much oil do you guys with n20 engine use, and ever see quart low?
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