Check clutch wear from ODB in Operation and Maintenance: 450 Model, 2005-2006, diesel Posted November 2, 2018 · Edited November 2, 2018 by Luca · Report post Thanks Darren. I think so. But I am doubting if he really replaced the clutch. Is it true that I can inspect the clutch and get a "wear percentage"from the ODB diagnose? How accurate is it? In this case I would like to check this parameter with another mechanic to be sure that the clutch is really new.