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: No.9 noise while operating a/c system
Diagnostic procedure * : If there is gas leakage, air enters into the A/C system. The desiccant within the receiver/drier absorbs the moisture from the air and becomes saturated. If the A/C system is used in this condition, the inside of the A/C compressor will begin to rust due to this ...

Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket. 2. Disconnect the DSC HU/CM connector. 3. Connect the SST (49 G066 004) to the DSC HU/CM connector and harness side connector. 4. Inspect voltage referring the table below. Terminal Voltage Table (reference value) (Ignition switch is at ON, and conne ...