I hit the sensor long before the pads are shot because my rotors have a ridge from previous wear. Still above the minimum. I understand you should not turn these rotors - does anyone? How about using a coarse file just to cut the ridge down?

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Charles
1983 300D, bought new, 215k+ miles, donated to Purple Hearts veterans charity but I have parts for sale: http://www.peachparts.com/shopforum/showthread.php?t=296386