Mazda CX-9 Grand Touring 2009 Manual page 1796

2. Inspect for bent fins.
If any are bent, use a flathead screwdriver to straighten them.
3. Verify that the rear heater core inlet and "outlet are not distorted or damaged.
If they are distorted or damaged, repair then using pliers.
A/C COMPRESSOR REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Discharge the refrigerant. (See REFRIGERANT CHARGING .)
3. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION [MZI-3.7] .)
4. Remove the front cooler hose (Hi). (See REFRIGERANT LINE REMOVAL/INSTALLATION.)
5. Remove in the order indicated in the table. Do not allow compressor oil to spill.
CAUTION:
6. Install in the reverse order of removal.
7. Perform the refrigerant system performance test.
(See REFRIGERANT SYSTEM PERFORMANCE TEST .)
A/C COMPRESSOR INSTALLATION NOTE
CAUTION:
1. Rotate new A/C compressor shaft six to eight revolutions while collecting refrigerant oil in a clean
measuring device. Use this refrigerant oil to refill new compressor. Do not allow refrigerant oil to become
2008 Mazda CX-9 Grand Touring
2008 HVAC Basic System - Mazda CX-9
If moisture or foreign material enters the refrigeration cycle, cool
ability will be lowered and abnormal noise or other malfunction c
occur. Always plug open fittings immediately after removing any
refrigeration cycle parts.
Fig. 24: Identifying A/C Compressor Components & Torque Speci
Due to the high moisture-absorption characteristics of the
compressor oil, it may absorb moisture if left over a long period of
time thereby negatively affecting A/C operation. Drain the
compressor oil and refill within 10 min. of each other.