Clutch Cover Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Remove the clutch cover. (See CLUTCH UNIT REMOVAL/INSTALLATION .)
Perform the following procedures to inspect the clutch cover.
- If it exceeds the maximum specification, replace the clutch cover. (See CLUTCH UNIT REMOVAL/INSTALLATION .)
1. Measure the wear of the diaphragm spring fingers.
  
  Fig 1: Measuring Diaphragm Spring Fingers Wear
  Courtesy of MAZDA MOTORS CORP.
  
  Clutch cover diaphragm spring fingers maximum depth
  - 0.6 mm {0.02 in}
2. Measure the flatness of the pressure plate with a straight edge and a feeler gauge.
  
  Fig 2: Measuring Pressure Plate Flatness With Straight Edge And Feeler Gauge
  Courtesy of MAZDA MOTORS CORP.
  
  Maximum clearance of flatness of the pressure plate
  - 0.3 mm {0.01 in}
3. Inspect the diaphragm spring fingers for the degree of uniformity in their height.
  
  Fig 3: Inspecting Diaphragm Spring Fingers
  Courtesy of MAZDA MOTORS CORP.
  1. Install the clutch cover. (See CLUTCH UNIT REMOVAL/INSTALLATION .)
  2. ii. When checking the diaphragm spring fingers, mount a dial gauge on the cylinder block.
  3. iii. Rotate the flywheel and check for misaligned diaphragm spring fingers.
    Clutch cover diaphragm spring fingers maximum height difference
    - 1.0 mm {0.039 in}