1. Check the oil seal (A) on the spring retainer of the 1st, 2nd, and 3rd clutches for wear, damage, and peeling.

1. If the oil seal is worn, damaged, or peeling, replace the spring retainer.

1. Inspect the clutch discs, clutch-plates, and clutch end plate for wear, damage, and discoloration.

   Standard Thickness
   Clutch Discs: | 1.94 mm (0.076 in.)

   Clutch Plates:
   K20A6 Engine model:
   Waved-plates: | 2.0 mm (0.079 in.)
   Flat-plates: | 2.0 mm (0.079 in.)

   K24A3 Engine model:
   1st clutch (waved-plates): | 1.6 mm (0.063 in.)
   2nd clutch: | Waved-plates: | 2.0 mm (0.079 in.)
   | Flat-plate: | 2.0 mm (0.079 in.)
   | 4.0 mm-thick plate: | 4.0 mm (0.157 in.)
   3rd clutch: | Waved-plates: | 1.6 mm (0.063 in.)
   | Flat-plates: | 1.6 mm (0.063 in.)
   4th clutch (waved-plates): | 2.0 mm (0.079 in.)
   5th clutch (waved-plates): | 2.0 mm (0.079 in.)

1. If the clutch discs are worn or damaged, replace them as a set. If the clutch discs are replaced, inspect the clutch end-plate-to-top-disc clearance.

1. If any plate is worn, damaged, or discolored, replace the damaged plate with the new plate, and inspect the other waved-plates for a phase difference. If the clutch plate is replaced, inspect the clutch end-plate-to-top-disc clearance.

1. If the clutch end plate is worn, damaged, or discolored, inspect the clutch end-plate-to-top-disc clearance, then replace the clutch end plate.