2005 INFINITI QX4 instrument panel

IN-CABIN MICROFILTER
ATC-155
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Revision: October 20052005 QX56
5. Install the in-cabin microfilter cover.
6. Install the lower glove box in the instrument panel and secure it
with the two hinge pins.
LJIA0134E
WLIA0027E

ATC-158
HEATER & COOLING UNIT ASSEMBLY
Revision: October 20052005 QX56
7. Move the two front seats to the rearmost position on the seat track.
8. Remove the instrument panel and console panel. Refer to IP-10, "
INSTRUMENT PANEL ASSEMBLY" .
9. Remove the steering column. Refer to PS-10, "
STEERING COLUMN" .
10. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse
block (J/B) electrical connectors. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
11. Disconnect the steering member from each side of the vehicle body.
12. Remove the front heater and cooling unit assembly with it attached to the steering member, from the vehi-
cle.
CAUTION:
Use care not to damage the seats and interior trim panels when removing the front heater and
cooling unit assembly with it attached to the steering member.
13. Remove the front heater and cooling unit assembly from the steering member.
Installation
Installation is in the reverse order of removal.
CAUTION:

Replace the O-ring of the low-pressure pipe and high-pressure pipe with a new one, and apply
compressor oil to it when installing it.

After charging the refrigerant, check for leaks.
NOTE:

Fill the engine cooling system with the specified coolant mixture. Refer to MA-14, "REFILLING ENGINE
COOLANT" .

Recharge the A/C system. Refer to ATC-175, "Evacuating System and Charging Refrigerant" .
REAR HEATER AND COOLING UNIT ASSEMBLY
Removal
1. Discharge the refrigerant from the A/C system. Refer to ATC-175, "Discharging Refrigerant" .
2. Drain the coolant from the engine cooling system. Refer to MA-13, "
DRAINING ENGINE COOLANT" .
3. Disconnect the rear heater core hoses from the rear heater core.
4. Disconnect the rear A/C pipes from the rear expansion valve.
5. Remove the rear RH interior trim panel. Refer to EI-35, "
BODY
SIDE TRIM" .
6. Disconnect the following electrical connectors:

Rear blower motor

Rear blower motor resistor

Rear air mix door motor
7. Disconnect the ducts from the rear heater and cooling unit
assembly.
8. Remove the rear heater and cooling unit assembly.
Installation
Installation is in the reverse order of removal.
CAUTION:

Replace the O-ring of the low-pressure pipe and high-pressure pipe with a new one, and apply
compressor oil to it when installing it.

After charging the refrigerant, check for leaks.
NOTE:

Fill the engine cooling system with the specified coolant mixture. Refer to MA-14, "REFILLING ENGINE
COOLANT" .

Recharge the A/C system. Refer to ATC-175, "Evacuating System and Charging Refrigerant" .
Removal and Installation for Rear Heater Core PipesEJS00536
REMOVAL
1. Drain the coolant from the engine cooling system. Refer to CO-10, "DRAINING ENGINE COOLANT" .
2. Remove the upper and lower luggage RH side finisher. Refer to EI-35, "
BODY SIDE TRIM"
LJIA0021E

MODE DOOR MOTOR
ATC-165
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Revision: October 20052005 QX56
MODE DOOR MOTORPFP:27731
Removal and InstallationEJS003YK
Mode Door Motor - Front Heater and Cooling Unit Assembly
REMOVAL
1. Remove the center console lower cover LH. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY"
2. Disconnect the mode door motor electrical connector.
3. Remove the two screws and remove the mode door motor.
INSTALLATION
Installation is in the reverse order of removal.
LJIA0139E
1. Front heater and cooling unit assembly 2. Intake door motor 3. Air mix door motor (passenger)
4. Variable blower control 5. Air mix door motor (driver) 6. Mode door motor
7. Defroster door motor

ATC-166
AIR MIX DOOR MOTOR
Revision: October 20052005 QX56
AIR MIX DOOR MOTOR PFP:27732
ComponentsEJS003YL
Air Mix Door Motors - Front Heater and Cooling Unit Assembly
Removal and InstallationEJS003YM
FRONT AIR MIX DOOR MOTOR (DRIVER)
Removal
1. Remove the center console lower cover LH. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Disconnect the air mix door motor electrical connector.
3. Remove the three screws and remove the air mix door motor.
Installation
Installation is in the reverse order of removal.
LJIA0139E
1. Front heater and cooling unit assembly 2. Intake door motor 3. Air mix door motor (passenger)
4. Variable blower control 5. Air mix door motor (driver) 6. Mode door motor
7. Defroster door motor

ATC-172
DUCTS AND GRILLES
Revision: October 20052005 QX56
Grilles
LJIA0140E
1. Overhead console trim panel 2. Overhead console front grilles (front) 3. Overhead console rear grilles (rear)
4. Instrument panel 5. Storage tray bottom cover (LH) 6. LH side ventilator and demister grille

DUCTS AND GRILLES
ATC-173
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Revision: October 20052005 QX56
Removal and InstallationEJS003YQ
CENTER CONSOLE HEAT DUCT AND REAR FINISHER ASSEMBLY GRILLE
Removal
The center console must be removed and disassembled to remove the heat duct and rear finisher assembly
grille. Refer to IP-15, "
Center Console" .
Installation
Installation is in the reverse order of removal.
DEFROSTER NOZZLE
Removal
1. Remove the instrument panel trim. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove the defroster nozzle.
Installation
Installation is in the reverse order of removal.
RH AND LH SIDE DEMISTER DUCT
Removal
1. Remove the instrument panel trim. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove the RH or LH side demister duct.
Installation
Installation is in the reverse order of removal.
RH AND LH VENTILATOR DUCT
Removal
1. Remove the instrument panel trim. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove the RH or LH ventilator duct.
Installation
Installation is in the reverse order of removal.
CENTER VENTILATOR DUCT
Removal
1. Remove the instrument panel trim. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove the defroster nozzle.
3. Remove the RH and LH side demister ducts.
4. Remove the RH and LH ventilator ducts.
5. Remove the center ventilator duct.
Installation
Installation is in the reverse order of removal.
FLOOR DUCT
Removal
1. Remove the floor carpet. Refer to EI-37, "FLOOR TRIM" .
2. Remove the two clips and remove the floor duct.
Installation
Installation is in the reverse order of removal.
REAR OVERHEAD DUCTS
Removal
1. Remove the rear RH interior trim panel. Refer to EI-35, "BODY SIDE TRIM" .
2. Remove the headliner. Refer to EI-38, "
HEADLINING" .
7. LH ventilator grille 8. RH ventilator grille 9. RH side ventilator and demister grille
10. Storage tray bottom cover (RH)

ATC-174
DUCTS AND GRILLES
Revision: October 20052005 QX56
NOTE:
The rear headliner duct connected to the rear overhead duct is part of the headlining trim panel and is
replaced as an assembly.
3. Remove the two bolts and remove the rear upper and lower overhead ducts.
Installation
Installation is in the reverse order of removal.
REAR FLOOR DUCT
Removal
1. Remove the rear RH interior trim panel. Refer to EI-35, "BODY SIDE TRIM" .
2. Reposition the floor carpet out of the way.
3. Remove the two bolts and remove the rear floor duct.
Installation
Installation is in the reverse order of removal.
GRILLES
Removal
1. Remove the interior trim panels as necessary. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" or EI-
38, "HEADLINING" .
2. Remove the grille from the interior trim panel.
NOTE:
To remove the overhead console front and rear grilles, turn the grille counter-clockwise to release the
grille from the overhead console trim panel.
Installation
Installation is in the reverse order of removal.

AV-46
AUDIO
Revision: October 20052005 QX56
Removal and Installation of Front TweeterEKS00BIU
1. Remove front tweeter grille. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove front tweeter fasteners (A) (CS101).
3. Disconnect connector and remove front tweeter.
4. Installation is in the reverse order of removal.
Removal and Installation of Rear Door TweeterEKS00BIV
1. Remove door finisher. Refer to EI-32, "DOOR FINISHER" .
2. Remove screws and remove tweeter.
3. Installation is in the reverse order of removal.
Removal and Installation of Center SpeakerEKS00BIW
1. Remove cluster lid D. Refer to IP-12, "Cluster Lid D" .
2. Remove the screws and remove the center speaker.
3. Installation is in the reverse order of removal.
Removal and Installation of SubwooferEKS00BIX
1. Remove front seat LH. Refer to SE-97, "Removal and Installation" .
2. Remove the subwoofer bolts.
3. Disconnect the connector and remove the subwoofer.
4. Installation is in the reverse order of removal.
Removal and Installation of BOSE Speaker Amp.EKS00BIY
1. Remove BCM. Refer to BCS-20, "Removal and Installation of BCM" .
WKIA4976E
WKIA1494E
WKIA1799E
Subwoofer mounting
bolts: 3.5 N·m (0.36 kg-m, 31 in-lb)
WKIA1496E