Nissan Quest E52. Instruction — part 714
A/C UNIT ASSEMBLY
HA-47
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
A/C UNIT ASSEMBLY
Exploded View
INFOID:0000000009651592
REMOVAL
DISASSEMBLY
1.
Steering member
2.
Knee protector
3.
Instrument stay LH
4.
Instrument stay RH
5.
Drain hose
6.
Blower unit assembly
7.
Heater & cooling unit assembly
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
JSIIA1814GB
HA-48
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
1.
Adapter duct rear
2.
Adapter duct center
3.
Adapter duct front
4.
Ventilator duct packing
5.
Defroster duct packing
6.
Foot duct RH
7.
Filter cover
8.
In-cabin microfilter
9.
Heater & cooling unit case cover
10. Case packing 2
11.
Heater & cooling unit case RH
12. Intake sensor
13. Insulator 1
14.
Evaporator
15. Insulator 3
16. Insulator 2
17.
O-ring
18. Evaporator pipe assembly
19. Cooler grommet
20.
Expansion valve
21. Heater pipe grommet
22. Heater pipe support
23.
Heater core
24. Heater pipe cover
25. Heater & cooling unit case LH
26.
Case packing 1
27. Air mix door (Slide door unit)*
1
28. Center case
29.
Foot duct LH
30. Aspirator
31. Aspirator duct
32.
Adapter case
33. Max. cool door
34. Foot door
35.
Distributor case lower
36. Defroster door
37. Ventilator door
38.
Distributor case upper
39. Defroster packing
40. Ventilator packing
41.
Air mix door (Slide door unit)*
2
: Pawl
JMIIA1840GB
A/C UNIT ASSEMBLY
HA-49
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
*
1
: Automatic air conditioning
*
2
: Instruction air conditioning
HEATER & COOLING UNIT ASSEMBLY
HEATER & COOLING UNIT ASSEMBLY : Removal and Installation
INFOID:0000000009651593
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
22, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Drain engine coolant from cooling system. Refer to
3.
Remove cowl top extension. Refer to
EXT-22, "Removal and Installation"
4.
Remove electric throttle control actuator. Refer to
EM-29, "Removal and Installation"
.
5.
Remove fixing clamps (A), and then disconnect heater hose
from heater & cooling unit assembly.
6.
Remove mounting bolt (A), and then disconnect front cooler
pipe assembly (2) from expansion valve (1).
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
7.
Remove instrument panel assembly. Refer to
IP-14, "Removal and Installation"
.
8.
Remove mounting bolts (A), and then remove knee protector.
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
JMIIA1815ZZ
JMIIA1819ZZ
JMIIA1823ZZ
HA-50
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
9.
Remove mounting bolts and nuts, and then move steering column aside. Refer to
.
10. Remove fixing screws (A), and then remove F/B.
11. Remove mounting bolt (A), and then remove circuit breakers
bracket (1).
12. Remove mounting bolt (B), and then remove circuit breaker and
relay bracket (2).
13. Disconnect junction harness connectors. (Driver side)
14. Remove mounting bolt (A), and then remove automatic drive
positioner control unit.
JMIIA1824ZZ
JMIIA1825ZZ
JMIIA1826ZZ
JMIIA1827ZZ
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