Thank you for all the information. I plan to replace rotors and pads in the next few weeks. I will follow this procedure: http://www.peachparts.com/shopforum/diesel-discussion/290044-w123-w126-front-brake-rotor-replacement-bearing-pad-change-included.html

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Julio Garcia
1987 300 SDL (mine)
2006 Jeep Liberty CRD (mine/kids)
2008 Hyundai Sonata (wife)
2000 Saturn SL AKA "Gocart" (everyone)