Nissan X-Trail 32. Manual — part 1346
A/C UNIT ASSEMBLY
HA-43
< REMOVAL AND INSTALLATION >
[R9M (EXCEPT FOR RUSSIA)]
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A/C UNIT ASSEMBLY : Removal and Installation
INFOID:0000000011000245
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 HFO-1234yf) to discharge the refrigerant. Refer to
2.
Drain engine coolant from cooling system. Refer to
.
3.
Remove front wiper drive assembly. Refer to
WW-85, "WIPER DRIVE ASSEMBLY : Removal and Installa-
4.
Remove fixing clip, and then remove insulator upper side.
5.
Remove mounting bolt, and then disconnect internal heat exchanger pipe from expansion valve.
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.
6.
Remove clamp air inlet hose 2. Refer to
.
7.
Remove clamps
, and then disconnect heater hoses from A/C
unit assembly.
CAUTION:
• Some coolant may spill when heater hoses are discon-
nected.
• Close off the coolant inlet and outlet on the heater core (2
locations) with shop cloths.
8.
Remove instrument panel assembly. Refer to
IP-14, "Removal and Installation"
(RHD models).
9.
Remove rear floor duct 1. Refer to
VTL-13, "REAR FLOOR DUCT 1 : Removal and Installation"
10. Remove mounting nuts
, and then remove instrument stay LH and RH.
11. Disconnect drain hose from A/C unit assembly.
12. Remove ground bolts.
JMIIA3344ZZ
JMIIA3353ZZ
JMIIA3407ZZ
HA-44
< REMOVAL AND INSTALLATION >
[R9M (EXCEPT FOR RUSSIA)]
A/C UNIT ASSEMBLY
13. Remove the BCM mounting screws.
14. Remove the J/B mounting screws
.
15. Disconnect the harness connectors and clips required to remove the steering member, and then move the
vehicle harness to the position without hindrance for work.
16. Remove mounting nuts, and then move steering column assembly to a position where it dose not inhibit
.
17. Remove caps from steering member mounting bolts.
18. Remove steering member mounting bolts
and A/C unit mounting bolts
, and then remove steering
member from the vehicle.
CAUTION:
When removing steering member, 2 workers are required to prevent it from dropping.
19. Remove A/C unit assembly.
CAUTION:
When removing A/C unit assembly, 2 workers are required to prevent it from dropping.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
JMIIA3348ZZ
JMIIA3362ZZ
A/C UNIT ASSEMBLY
HA-45
< REMOVAL AND INSTALLATION >
[R9M (EXCEPT FOR RUSSIA)]
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• Check for leakages when recharging refrigerant. Refer to
NOTE:
• When installing drain hose
, match the rib porsion
of A/C unit
and mark
of drain hose.
• Refer to
when filling radiator with engine coolant.
EVAPORATOR
EVAPORATOR : Removal and Installation
INFOID:0000000011000246
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-43, "A/C UNIT ASSEMBLY : Removal and Installation"
.
2.
Remove fixing screws
and disengage fixing pawls.
3.
Remove main case rear.
4.
Remove fixing screws
, and then remove intake box assembly.
5.
Remove fixing screws
and disengage fixing pawls, and then
separate heater & cooling unit case assembly.
6.
Remove evaporator assembly from heater & cooling unit case.
JMIIA3408ZZ
: Pawl
JMIIA3382ZZ
JMIIA3383ZZ
: Pawl
JMIIA3384ZZ
HA-46
< REMOVAL AND INSTALLATION >
[R9M (EXCEPT FOR RUSSIA)]
A/C UNIT ASSEMBLY
7.
Remove mounting bolts, and then remove expansion valve from evaporator.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Perform lubricant adjusting procedure after installing new evaporator. Refer to
Adjusting Procedure for Components Replacement Except Compressor"
HEATER CORE
HEATER CORE : Removal and Installation
INFOID:0000000011000247
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-43, "A/C UNIT ASSEMBLY : Removal and Installation"
.
2.
Remove foot duct LH. Refer to
VTL-12, "FOOT DUCT : Removal and Installation"
.
3.
Remove fixing screws
, and then remove heater pipe cover.
4.
Remove heater pipe packing.
5.
Disengage fixing pawl, and then remove heater pipe clamp.
6.
Remove heater core from A/C unit assembly.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
NOTE:
Refer to
when filling radiator with engine coolant.
EXPANSION VALVE
JMIIA3386ZZ
: Pawl
JMIIA3387ZZ
JMIIA3388ZZ
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