Pressure Plate: Testing and Inspection

1. Check the clutch pressure plate surface for scoring, cracks, or discoloration. Minor scratches or discoloration should be removed with fine emery cloth.





2. Measure the flatness of the clutch pressure plate surface with a straightedge and a feeler gauge.
3. Check the diaphragm spring fingers for discoloration, scoring, bent, or broken segments and spring ends that are higher or lower than the rest.





4. Measure the wear of the diaphragm spring fingers.