Quote:
Originally Posted by H2O_Doc
Can't you just put a strong magnet on the oil pan (maybe NEAR the drain plug), pull it when you change your oil, and get the same result (letting the draining oil flush any metal bits)?
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The point of putting the magnet on the filter is to hold any metal bits in the filter, which you throw out when changing. If you put the magnet on the pan, chances are that not all of the bits will drain out when draining.