2004 INFINITI QX56 Factory Service Manual

Page 553 of 3371

INFINITI QX56 2004  Factory Service Manual ATC-148
HEATER CORE
Revision: August 20072004 QX56
Rear Heater and Cooling Unit Assembly
Removal and InstallationEJS002D7
FRONT HEATER CORE
Removal
1. Remove the front heater and cooling unit assembly

Page 554 of 3371

INFINITI QX56 2004  Factory Service Manual HEATER CORE
ATC-149
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
5. Remove the heater core.
NOTE:
If the in-cabin microfilters are contaminated from coolant leaking
from the heater core,

Page 555 of 3371

INFINITI QX56 2004  Factory Service Manual ATC-150
DEFROSTER DOOR MOTOR
Revision: August 20072004 QX56
DEFROSTER DOOR MOTORPFP:27733
Removal and InstallationEJS002D8
Defroster Door Motor - Front Heater and Cooling Unit Assembly
REMOVAL
1. Remo

Page 556 of 3371

INFINITI QX56 2004  Factory Service Manual INTAKE DOOR MOTOR
ATC-151
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
INTAKE DOOR MOTORPFP:27730
Removal and InstallationEJS002D9
Intake Door Motor - Front Heater and Cooling Unit Assem

Page 557 of 3371

INFINITI QX56 2004  Factory Service Manual ATC-152
MODE DOOR MOTOR
Revision: August 20072004 QX56
MODE DOOR MOTORPFP:27731
Removal and InstallationEJS002DA
Mode Door Motor - Front Heater and Cooling Unit Assembly
REMOVAL
1. Remove the front he

Page 558 of 3371

INFINITI QX56 2004  Factory Service Manual AIR MIX DOOR MOTOR
ATC-153
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
AIR MIX DOOR MOTOR PFP:27732
ComponentsEJS002DB
Air Mix Door Motors - Front Heater and Cooling Unit Assembly
Remov

Page 559 of 3371

INFINITI QX56 2004  Factory Service Manual ATC-154
AIR MIX DOOR MOTOR
Revision: August 20072004 QX56
FRONT AIR MIX DOOR MOTOR (PASSENGER)
Removal
1. Remove the front heater and cooling unit assembly. Refer to ATC-145, "FRONT HEATER AND COOLING

Page 560 of 3371

INFINITI QX56 2004  Factory Service Manual VARIABLE BLOWER CONTROL
ATC-155
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
VARIABLE BLOWER CONTROLPFP:27200
Removal and InstallationEJS002DD
Variable Blower Control - Front Heater and