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]Maintenance data
Dimensions and weights
*: Unladen vehicle
Seating capacity
Vehicle identification
■ Vehicle identification number
The vehicle identification number (VIN) of your Subaru Solterra serves as its
official legal identifier and is essential for registration, ownership documentation,
...
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..
...
Selecting the Airflow Mode
Dashboard Vents
Defroster and Floor Vents
Dashboard and Floor Vents
Defroster Vents
Floor Vents
...