When folks hit the doors on high curbs, the clips break. Replace the clips on it and I think you should be good. If the moldings are beat and nasty looking I'd replace the moldings and clips.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k