We should change the subject to "oil change", but I'd probably mess somethin up.
15 years ago, I had a BBB arbitration hearing; me vs General Motors over a failed engine. Nothing to do with dirty engine, everything to do with antifreeze in oil. However, GM pulled all the stops & claimed failure was due to my not changing oil/filter every 3k. Arbitrator asked what they instructed (which happens to be 7500 miles in their owner's manual). GM answered that "everyone KNOWS 3k is the right interval".
Arbitrator instructed GM to pay my repair bills.
I was changing my oil at 4k to 5k in those days.... I have since up'd interval to the GM instructed 7500 miles since I read their book. I drive at least 25k miles per year & have never had an engine failure. Oh, ALL my friends and family tell me I'm dead wrong. So, please, everyone, don't do what I say, follow your own gut instinct.
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