Nissan X-Trail 32. Manual - part 1369

A/C UNIT ASSEMBLY

HA-135

< REMOVAL AND INSTALLATION >

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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-109, "Leak Test"

.

• When installing drain hose 

, match the rib portion 

 of A/C

unit 

 and mark 

 of drain hose. 

NOTE:
Refer to 

CO-40, "Refilling"

 when filling radiator with engine coolant.

HEATER CORE

JMIIA3735ZZ

JMIIA3408ZZ

HA-136

< REMOVAL AND INSTALLATION >

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A/C UNIT ASSEMBLY

HEATER CORE : Removal and Installation

INFOID:0000000011006132

REMOVAL

1.

Remove A/C unit assembly. Refer to 

HA-133, "A/C UNIT ASSEMBLY : Removal and Installation"

.

2.

Remove foot duct LH. Refer to 

VTL-12, "FOOT DUCT : Removal and Installation"

.

3.

Remove heater pipe grommet.

4.

Remove fixing screws 

, and then remove heater pipe cover.

5.

Disengage fixing pawl, and then remove heater pipe bracket.

6.

Slide heater core to left side, and then remove heater core.

INSTALLATION

Note the following item, and then install in the reverse order of removal.
NOTE:
Refer to 

CO-40, "Refilling"

 when filling radiator with engine coolant.

EVAPORATOR

EVAPORATOR : Removal and Installation

INFOID:0000000011006133

REMOVAL

1.

Remove A/C unit assembly. Refer to 

HA-133, "A/C UNIT ASSEMBLY : Removal and Installation"

.

JMIIA3386ZZ

: Pawl

JMIIA3387ZZ

JMIIA3388ZZ

A/C UNIT ASSEMBLY

HA-137

< REMOVAL AND INSTALLATION >

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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.

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.
• Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor

can be located in the same position.

• Check for leakages when recharging refrigerant. Refer to 

HA-109, "Leak Test"

.

EXPANSION VALVE

EXPANSION VALVE : Removal and Installation

INFOID:0000000011006134

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-

113, "Perform Lubricant Return Operation"

.

REMOVAL

: Pawl

JMIIA3382ZZ

JMIIA3383ZZ

: Pawl

JMIIA3384ZZ

HA-138

< REMOVAL AND INSTALLATION >

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A/C UNIT ASSEMBLY

1.

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

HA-111,

"Recycle Refrigerant"

.

2.

Disengage fixing pawls, and then remove insulator.

3.

Remove mounting bolt 

, and then disconnect low-pressure

flexible hose 

 and high-pressure pipe 

 from expansion valve.

4.

Remove mounting bolts, and then remove expansion valve.

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-109, "Leak Test"

.

JMIIA3323ZZ