Nissan X-Trail 32. Manual - part 1357

A/C UNIT ASSEMBLY

HA-87

< REMOVAL AND INSTALLATION >

[MR20DD]

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A/C UNIT ASSEMBLY

A/C unit case RH

Blower fan motor

Filter cover RH

O-ring

Expansion valve

Main case center

Sub harness

Cooler packing

Heater pipe packing

Intake packing

Heater pipe bracket

Air conditioner filter

Evaporator

Case packing

A/C unit case LH

Heater core

A/C auto amp.
(automatic air conditioning)

Filter cover LH

Intake sensor

Intake box case lower

Heater pipe cover

Aspirator
(automatic air conditioning)

Aspirator duct
(automatic air conditioning)

Intake door

Non woven fabric

Power transistor
(automatic air conditioning)
Fan control amplifier
(manual air conditioning)

Intake box upper case

Foot door

Center plate case

Air mix door RH

Air mix door LH

Foot door & mode door rod

Center ventilator door·center ventilator 
& defroster door rod

Side ventilator door

Code label

Main case rear

Mode door

Non woven fabric

Center ventilator & defroster door

Air guide case

Side ventilator packing LH

Center ventilator packing

Side ventilator packing RH

Defroster packing

: Always replace after disassembly.

: N·m (kg-m, in-lb)

JMIIA3369GB

HA-88

< REMOVAL AND INSTALLATION >

[MR20DD]

A/C UNIT ASSEMBLY

A/C UNIT ASSEMBLY : Removal and Installation

INFOID:0000000011001072

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 

HA-

68, "Perform Lubricant Return Operation"

.

REMOVAL

1.

Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to 

HA-66, "Recy-

cle Refrigerant"

.

2.

Drain engine coolant from cooling system. Refer to 

CO-13, "Draining"

.

3.

Remove cowl top cover. Refer to 

EXT-25, "Removal and Installation"

.

4.

Disengage fixing clips, and then remove insulator.

5.

Remove mounting bolt 

, and then disconnect low-pressure

pipe 

 and high-pressure pipe 

 from evaporator pipe assem-

bly.

CAUTION:

Cap or wrap the joint of the A/C piping with suitable mate-
rial such as vinyl tape to avoid the entry of air.

6.

Remove air duct. Refer to 

EM-30, "Exploded View"

.

7.

Remove fixing clamps 

, and then disconnect heater hoses.

8.

Remove instrument panel assembly. Refer to 

IP-14, "Removal and Installation"

.

9.

Remove rear ventilator duct 1. Refer to 

VTL-13, "REAR VENTILATOR DUCT 1 : Removal and Installa-

tion"

. (with rear ventilator)

10. Remove rear floor duct 1. Refer to 

VTL-13, "REAR FLOOR DUCT 1 : Removal and Installation"

.

11. Remove mounting nuts 

, and then remove instrument stay LH and RH.

JMIIA3323ZZ

JMIIA3344ZZ

JMIIA3353ZZ

A/C UNIT ASSEMBLY

HA-89

< REMOVAL AND INSTALLATION >

[MR20DD]

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12. Disconnect drain hose from A/C unit assembly.

13. Remove ground wire mounting bolts.

14. Remove fixing screws 

, and then remove junction box.

15. Remove harness connector, harness clips and bracket necessary to remove steering member. Move vehi-

cle harness aside. 

16. Remove steering column mounting bolts and nuts, and then move steering column assembly to secure

work space. Refer to 

ST-13, "Exploded View"

.

17. Remove caps from steering member mounting bolts.

JMIIA3407ZZ

JMIIA3734ZZ

JMIIA3361ZZ

HA-90

< REMOVAL AND INSTALLATION >

[MR20DD]

A/C UNIT ASSEMBLY

18. Remove steering member mounting bolts 

, A/C unit mounting bolts 

.

19. Remove steering member from vehicle.

CAUTION:

When removing steering member, 2 workers are required to prevent it from dropping.

20. Remove A/C unit assembly from vehicle.

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.
• Check for leakages when recharging refrigerant. Refer to 

HA-64, "Leak Test"

.

• When installing drain hose 

, match the rib portion 

 of A/C

unit 

 and mark 

 of drain hose. 

NOTE:
Refer to 

CO-14, "Refilling"

 when filling radiator with engine coolant.

HEATER CORE

JMIIA3735ZZ

JMIIA3408ZZ