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]Magnetic Clutch Inspection [Full Auto Air Conditioner]
1. Connect battery to terminal A of magnetic clutch and ground to A/C compressor
body.
SKYACTIV-G 2.0
MZR 2.3 DISI Turbo, MZR 2.5
2. Verify that the magnetic clutch operates.
If there is any malfunction, replace the magnetic clutch.
...
Neutral Switch Removal/Installation [G35 M R]
1. Remove the battery cover..
2. Disconnect the negative battery cable.
3. Remove the battery component. (ex: battery, battery tray and PCM component)(See
BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)
4. Remove the aerodynamic under cover No.2..
5. Drain the oil from the transaxle..
...
Oil Pump Removal/Installation [Skyactiv G 2.0]
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...