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NC MX-5 Miata Workshop Manual
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2008 - MX-5 - Transmission/Transaxle

CLUTCH COVER INSPECTION

1. Measure the wear of the diaphragm spring fingers.

  • If it exceeds the maximum specification, replace the clutch cover.

    Clutch disc maximum depth
  • 0.6 mm {0.024 in}

2. Measure the flatness of the pressure plate with a straight edge and a feeler gauge.

  • If it exceeds the maximum specification, replace the clutch cover.

    Clutch cover maximum clearance
  • 0.5 mm {0.020 in}

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.

  • If it exceeds the maximum specification, replace the clutch cover.

    Clutch cover maximum height difference
  • 1.0 mm {0.039 in}



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