I finally was able to replace the rotor today. When I replaced the cap a few days ago, two out of the three 3mm allen bolts that hold the rotor on were on so tight that they stripped. With the help of PB Blaster, an easy out and a trusty vise-grip, I was FINALLY able to safely remove them and replace the rotor. Thanks for all the advice! Running smooth!

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1987 300e "200,000+ and going strong"