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.

If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
Compression Inspection [Mzr 2.0, Mzr 2.5]A/C Compressor Removal/Installation
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Remove the aerodynamic under cover No.2..
4. Remove the drive belt..
5. Remove the water hose bracket.
CAUTION:
If moisture or foreign material enters the refrigeration cycle, cooling ability
will b ...
Drive Shaft Removal/Installation
CAUTION:
Performing the following procedures without first removing the ABS wheel-speed
sensor may possibly cause an open circuit in the wiring harness if it is pulled
by mistake. Before performing the following procedures, disconnect the ABS wheel-speed
sensor connector (axle side) ...
Tire rotation
To maintain balanced performance and ensure even wear across all wheels, rotate
the tires of your Subaru Solterra according to the recommended pattern illustrated
below.
Regular tire rotation on the Subaru Solterra helps extend overall tire lifespan,
improve handling stability, and maintain o ...