Clutch Cover Inspection

1. Measure the wear of the diaphragm spring fingers.

   Depth 

   0.6 mm {0.0236 in} max. 

   Fig 1: Measuring Wear Of Diaphragm

   Courtesy of MAZDA MOTORS CORP.
2. Measure the flatness of the pressure plate using a straight edge and a feeler gauge.
   • Replace the clutch cover if not as specified.

   Maximum Clearance 

   0.5 mm {0.020 in} 

   Fig 2: Measuring Flatness Of Pressure Plate

   Courtesy of MAZDA MOTORS CORP.
3. When checking the diaphragm spring fingers, mount a dial indicator on the cylinder block.
4. Rotate the flywheel and check for misaligned diaphragm spring fingers.
   • Replace the clutch cover if not as specified.

Misalignment 

0.6 mm {0.0236 in} max. 

Fig 3: Checking For Misaligned Diaphragm Spring Fingers

Courtesy of MAZDA MOTORS CORP.