Mazda 6 Service Manual: No.22 vibration concerns (engine)

No.21 engine noise

No.23 a/c does not work sufficiently

Other materials:

Mazda 6 Service Manual: Power window main switch inspection
Drivers side 1. Remove the driver-side front door trim. 2. Connect the power window main switch connector. 3. Measure the voltage at the power window main switch terminals as indicated below. 4. Disconnect the power window main switch connector before inspecting for continuity at terminals 1 ...

Mazda 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 ...