1. Remove the clutch cover..
2. Perform the following procedures to inspect the clutch cover.
If it exceeds the maximum specification, replace the clutch cover..
a. Measure the wear of the diaphragm spring fingers.

0.6 mm {0.02 in}
b. Measure the flatness of the pressure plate with a straight edge and a feeler gauge.

0.3 mm {0.01 in}
c. Inspect the diaphragm spring fingers for the degree of uniformity in their height.

i. Install the clutch cover..
ii. When checking the diaphragm spring fingers, mount a dial gauge on the cylinder block.
iii. Rotate the flywheel and check for misaligned diaphragm spring fingers.
1.0 mm {0.039 in}
Clutch Disc Inspection [C66 M R]Front Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.
If not within the specification, replace the front door speaker.
...
Check Valve Inspection [Skyactiv G 2.0]
Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and
verify that the air flows to the intake manifold side, then blow air from the intake
manifold side and verify that the air does not flow to the vacuum pump side.
...
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuum
(kPa {mmHg, inHg})
Valve operation condition
Airflow between port A—B
...