1. Measure the clearance around the entire circumference between the pressure plate and A/C compressor pulley using a thickness gauge.

2. Verify that the clearance is within the specification.
Clearance
0.3-0.5 mm {0.012-0.019 in}

Magnetic clutch disassembly/assembly
Magnetic clutch inspectionMazda 6 Service Manual: Clutch pedal adjustment
Clutch Pedal Height
Measure the distance from the upper surface of the pedal pad to the carpet.
If not as specified, adjust the pedal height by turning adjustment bolt
B and locknut A.
Pedal height(with carpet)
L.H.D.: 210-216 mm {8.27-8.50 in}
R.H.D.: 209-215 mm {8.23-8.46 in}
...
Mazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction
indicator lamp (MIL) indication and diagnostic trouble code (DTC), then
diagnose the malfunction according to following flowchart.
- If a DTC exists, diagnose the applicable DTC inspection. (See DTC
TABLE.)
- ...