Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

No.24 a/c is always on or a/c compressor runs continuously

Other materials:

Mazda 6 Service Manual: After repair procedure
Caution After repairing a malfunction, perform this procedure to verify that the malfunction has been corrected. When this procedure is carried out, be sure to drive the vehicle at lawful speed and pay attention to the other vehicles. 1. Connect the WDS or equivalent to the DLC-2. 2. Turn th ...

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 ...