MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Clutch Disc: Testing and Inspection
CLUTCH DISC INSPECTION
1. Inspect the lining surface for burning and oil contamination. Repair using sandpaper if the trouble is minor. Replace the clutch disc if it is badly
burned or oil soaked.
2. Inspect for loose facing rivets or torsion dampers. Replace the clutch disc if any are loose.
3. Measure the thickness of the lining at a rivet head on both sides using vernier calipers. Replace the clutch disc if less than minimum.
Minimum thickness 0.3 mm (0.012 inch)
4. Measure the clutch disc runout using a dial indicator. Replace the clutch disc if runout is excessive.
Maximum runout 0.7 mm (0.028 inch)
