Clutch Cover Inspection

WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2002 Mazda Protege5, and 2002 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

Measure the wear of the diaphragm spring fingers.
Depth

0.5 mm (0.020 in) max.

Fig 1: Measuring Wear Of Diaphragm Spring Fingers
Courtesy of MAZDA MOTORS CORP.
Measure the flatness of the pressure plate surface using a straightedge and a feeler gauge as shown in the figure.
Maximum clearance

0.5 mm (0.020 in)
NOTE:
- When inspecting the diaphragm spring fingers, mount a dial indicator on the cylinder block.
Fig 2: Measuring Flatness Of Pressure Plate Surface Using Straightedge
Courtesy of MAZDA MOTORS CORP.
Rotate the flywheel and inspect for misaligned diaphragm spring fingers.
- If the misalignment exceeds the maximum, replace the clutch cover.
Misalignment

0.6 mm (0.024 in) max.

Fig 3: Inspecting For Misaligned Diaphragm Spring Fingers
Courtesy of MAZDA MOTORS CORP.