Infiniti QX56 (JA60). Manual — part 997
HEATER CORE
VTL-23
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HEATER CORE
Component
INFOID:0000000005147614
Front Heater and Cooling Unit Assembly
AWIIA0086ZZ
1.
Heater core cover
2.
Heater core pipe bracket
3.
Heater core
4.
Upper bracket
5.
Upper heater and cooling unit case
6.
A/C evaporator
7.
Lower heater and cooling unit case
8.
Blower motor
9.
Variable blower control
Front
VTL-24
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HEATER CORE
Rear Heater and Cooling Unit Assembly
Removal and Installation
INFOID:0000000005147615
FRONT HEATER CORE
Removal
1. Remove the front heater and cooling unit assembly. Refer to
VTL-17, "Removal and Installation"
.
2. Remove the four screws and remove the upper bracket.
3. Remove the four screws and remove the heater core cover.
4. Remove the heater core pipe bracket.
AWIIA0087ZZ
1.
Front cover
2.
Evaporator and heater core case
3.
Evaporator
4.
Side cover
5.
Heater core
6.
Blower motor
7.
Blower motor case
8.
Variable blower control
Front
HEATER CORE
VTL-25
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5. Remove the heater core.
NOTE:
If equipped and the in-cabin microfilters are contaminated from
coolant leaking from the heater core, replace the in-cabin micro-
filters with new ones before installing the new heater core.
Installation
Installation is in the reverse order of removal.
REAR HEATER CORE
Removal
1. Partially drain the engine cooling system. Refer to
CO-11, "Changing Engine Coolant"
2. Remove the luggage side finisher lower RH. Refer to
INT-19, "Removal and Installation"
.
3. Disconnect the rear heater hoses from the heater core.
4. Remove the rear heater core bracket.
5. Remove the heater core.
Installation
Installation is in the reverse order of removal.
LJIA0134E
VTL-26
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DEFROSTER DOOR MOTOR
DEFROSTER DOOR MOTOR
Removal and Installation
INFOID:0000000005147616
Defroster Door Motor - Front Heater and Cooling Unit Assembly
REMOVAL
1. Remove the BCM. Refer to
BCS-59, "Removal and Installation"
.
2. Remove the Bose speaker amplifier if equipped. Refer to
AV-182, "Removal and Installation"
3. Disconnect the defroster door motor electrical connector.
4. Remove the three screws and remove the defroster 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 (driver)
4.
Variable blower control
5.
Air mix door motor (passenger)
6.
Mode door motor
7.
Defroster door motor
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