Mazda CX-9 Grand Touring. Manual — part 447

Fig. 7: Identifying Front A/C Unit Components & Torque Specifications

FRONT EXPANSION VALVE REMOVAL/INSTALLATION

1. Disconnect the negative battery cable.

2. Discharge the refrigerant from the system. (See REFRIGERANT RECOVERY .) (See

REFRIGERANT CHARGING .)

3. Remove the following parts:

1. Windshield wiper blade (See WINDSHIELD WIPER ARM AND BLADE

REMOVAL/INSTALLATION )

2. Cowl grille (See COWL GRILLE REMOVAL/INSTALLATION .)

3. Windshield wiper motor (See WINDSHIELD WIPER MOTOR

REMOVAL/INSTALLATION .)

4. Cowl panel (See COWL PANEL REMOVAL/INSTALLATION .)

5. Front cooler pipe No.1 bracket installation nut

Fig. 8: Identifying Front Cooler Pipe No.1 Bracket Installation Nut & Torque Specifications

6. Nut

7. Front cooler pipe No.1 and front cooler pipe No.4 (See REFRIGERANT LINE

REMOVAL/INSTALLATION.)

CAUTION:



If moisture or foreign material enters the refrigeration
cycle, cooling ability will be lowered and abnormal noise
or other malfunction could occur. Always plug open
fittings immediately after removing any refrigeration cycle
parts.

2008 Mazda CX-9 Grand Touring

2008 HVAC Basic System - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:11:59 AM

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© 2005 Mitchell Repair Information Company, LLC.

4. Remove the bolts.

5. Remove the front expansion valve. Do not allow compressor oil to spill.

6. Install in the reverse order of removal.

7. Perform the refrigerant system performance test.

(See REFRIGERANT SYSTEM PERFORMANCE TEST .)

Fig. 10: Identifying Front Expansion Valve, Bolts & Torque Specifications

AIR FILTER REMOVAL/INSTALLATION

1. Remove the glove compartment service hole cover.

2. Remove the cover in the direction of the arrow.

Fig. 9: Identifying Front Cooler Pipe No.1, Front Cooler
Pipe No.4 & Torque Specifications

2008 Mazda CX-9 Grand Touring

2008 HVAC Basic System - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:11:59 AM

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© 2005 Mitchell Repair Information Company, LLC.

Fig. 11: Identifying Glove Compartment Service Hole Cover

3. Remove the air filter in the direction of the arrow.

4. Install in the reverse order of removal.

Fig. 12: Identifying Air Filter Remove Direction

AIR FILTER INSPECTION

1. Verify that there is no damage, excessive dirt, or abnormal odor on the air filter.



If there is any malfunction, replace the air filter.

FRONT EVAPORATOR INSPECTION

1. Inspect the front evaporator for damage, cracks, and oil leakage.



If there is any malfunction, replace the front evaporator.

2. Visually inspect the fins for bending.



If there is any bending, use the end of a flathead screwdriver to straighten the fins.

FRONT HEATER CORE INSPECTION

NOTE:



The air filter cannot be reused by cleaning it with water or
compressed air.

2008 Mazda CX-9 Grand Touring

2008 HVAC Basic System - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:11:59 AM

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© 2005 Mitchell Repair Information Company, LLC.

1. Inspect the front heater core for damage, cracks, and water leakage.



If there is any malfunction, replace the front heater core.

2. Visually inspect the fins for bending.



If there is any bending, use the end of a flathead screwdriver to straighten the fins.

3. Visually inspect the heater hose for deformation.



Repair with pliers if there is deformation. If there is any malfunction, replace the front heater core.

REAR HEAT DUCT COMPONENT REMOVAL/INSTALLATION

REAR HEAT DUCT NO.1

1. Disconnect the negative battery cable.

2. Remove the following parts:

1. Front seat (See FRONT SEAT REMOVAL/INSTALLATION .)

2. Front scuff plate inner (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)

3. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)

4. Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)

5. Front console box mat (See FRONT CONSOLE BOX MAT REMOVAL/INSTALLATION .)

6. Indicator panel (See INDICATOR PANEL REMOVAL/INSTALLATION .)

7. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)

8. Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)

9. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)

10. Console panel (See CONSOLE PANEL REMOVAL/INSTALLATION .)

11. Console cover (See CONSOLE COVER REMOVAL/INSTALLATION .)

12. Console (See CONSOLE REMOVAL/INSTALLATION .)

13. Dust cover (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)

3. Turn floor covering over. (See FLOOR COVERING REMOVAL/INSTALLATION .)

4. Remove in the order indicated in the table.

5. Install in the reverse order of removal.

Fig. 13: Identifying Rear Heat Duct No.1 Remove Order

2008 Mazda CX-9 Grand Touring

2008 HVAC Basic System - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:11:59 AM

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© 2005 Mitchell Repair Information Company, LLC.