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: Front seat removal/installation
Warning
Handling the front seat (side air bag) improperly can accidentally
deploy the side air bag, which may seriously injure you. Read AIR BAG SYSTEM
SERVICE WARNINGS before handling the front seat. (See SERVICE WARNINGS.)
1. Turn the ignition switch to the LOCK position.
2. Disconne ...
Mazda 6 Service Manual: Rocking the Vehicle
WARNING
Do not spin the wheels at more than 56 km/h (35 mph), and do not allow
anyone to stand behind a wheel when pushing the vehicle: When the vehicle
is stuck, spinning the wheels at high speed is dangerous. The spinning tire could
overheat and explode. This could cause serious injuries.
...