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]Clock Spring Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the driver-side air bag module..
3. Remove the steering wheel..
4. Remove the column cover.
5. Remove the connectors.
6. Remove the tab direction of the arrow shown in the figure.
7. Remove the screws.
8. Remove the clock spring. ...
Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]
1. Disconnect the vacuum hose connected between the check valve and the purge
solenoid valve from the purge solenoid valve..
2. Disconnect the vacuum hose connected between the check valve (one-way) and
the intake manifold from the intake manifold..
3. Blow through the check valve (one-way) ...
Operating Tips for OGG
OGG is the audio compression format for
Xiph. Org Foundation.
Audio data can be created and stored at a
higher compression ratio than MP3.
This unit plays files with the extension
(.ogg) as OGG files.
CAUTION
Do not use an audio fi le extension on
fi les other than audio fi le ...