1. Disconnect the negative battery cable.
2. Disconnect the air mix and airflow mode wires from each wire clamp and link. (Manual air conditioner)
3. Remove the center panel. (See CENTER PANEL MODULE REMOVAL/INSTALLATION.)
4. Remove the screws and climate control unit. (Full-auto air conditioner)
5. Release the hook and pull the climate control unit toward you. (Manual air conditioner)
6. Disconnect the climate control unit connectors and remove the climate control unit. (Manual air conditioner)


Refrigerant pressure switch inspection
Climate control unit installationMazda 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: Recommended Oil
U.S.A. and CANADA
Use SAE 0W-20 engine oil.
Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 0W-20 Oil is required
to achieve optimum fuel economy.
For maintenance service, Mazda recommends Mazda Genuine Parts and Castrol® (U.S.A.
only).
Only use SAE 0W-20 oil “Certified F ...