FLYWHEEL INSPECTION
1. Install a dial gauge on the cylinder block.

2. Measure the flywheel runout using a dial indicator.
Runout
0.1 mm {0.004 in} max.
Clutch release collar inspection
Manual transaxleMazda 6 Service Manual: Pcv valve inspection
1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.
If not as specified, replace the PCV valve.
Specification
...
Mazda 6 Service Manual: Operating Tips for WMA
WMA is short for Windows Media*1 Audio and is the audio compression format used
by Microsoft*1.
Audio data can be created and stored at a higher compression ratio than MP3.
This unit plays files with the extension (.wma) as WMA files.
*1 Windows Media and Microsoft are registered trademarks of ...