CAUTION:
Do not clean the clutch release collar with cleaning fluids or a steam cleaner because it is filled with grease.
Operation Inspection
1. Turn the collar while applying force in the axial direction, and inspect for sticking, excessive resistance, and an abnormal noise.

If there is any malfunction, replace the clutch release collar..
Clutch Pipe And Hose Removal/Installation [C66 M R]
Clutch Release Cylinder Removal/Installation [C66 M R]Mazda Radar Cruise Control
(MRCC)
The Mazda Radar Cruise Control (MRCC) system is designed to maintain headway
control *1
according to the vehicle speed using a radar sensor (front) to detect the
distance to a vehicle
ahead, and by presetting the vehicle speed between 30 km/h (19 mph) and 145 km/h
(90
mph), the driver is fr ...
Variable Tumble Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable tumble solenoid valve..
4. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble solenoid valve..
...
Bass Box Inspection
1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.
If not within the specification, replace the bass-box.
Resistance
0.9—1.1 ohms
...