Nissan X-Trail 32. Manual - part 1378

COOLER PIPE AND HOSE

HA-171

< REMOVAL AND INSTALLATION >

[R9M (FOR RUSSIA)]

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3.

Remove mounting bolt 

, and then disconnect low-pressure

flexible hose from the compressor.

CAUTION:

Cap or wrap the joint of the A/C piping and compressor with
suitable material such as vinyl tape to avoid the entry of air.

4.

Remove low-pressure flexible hose from the vehicle.

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-155, "Leak Test"

.

LOW-PRESSURE PIPE

LOW-PRESSURE PIPE : Removal and Installation

INFOID:0000000011007754

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-

159, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-157,

"Recycle Refrigerant"

.

2.

Remove fixing clip, and then remove insulator upper side.

3.

Remove cowl top extension. Refer to 

EXT-25, "Removal and Installation"

.

4.

Remove mounting bolt, and then disconnect low-pressure 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.

5.

Remove mounting bolt 

, and then disconnect low-pressure

flexible hose 

 from low-pressure pipe 

.

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 mounting bolt, and then remove low-pressure pipe.

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-155, "Leak Test"

.

HIGH-PRESSURE PIPE 1

JMIIA3739ZZ

JMIIA3736ZZ

HA-172

< REMOVAL AND INSTALLATION >

[R9M (FOR RUSSIA)]

COOLER PIPE AND HOSE

HIGH-PRESSURE PIPE 1 : Removal and Installation

INFOID:0000000011007755

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-

159, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-157,

"Recycle Refrigerant"

.

2.

Remove front bumper fascia assembly. Refer to 

EXT-15, "Removal and Installation"

.

3.

Remove mounting bolt 

, and then disconnect high-pressure

pipe 1 

 from high-hpressure pipe 3 

.

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.

4.

Remove mounting bolt 

, and then disconnect high-pressure

pipe 1 from the condenser & liquid tank assembly.

CAUTION:

Cap or wrap the joint of the A/C piping and condenser with
suitable material such as vinyl tape to avoid the entry of air.

5.

Disconnect refrigerant pressure sensor harness connector.

6.

Remove mounting bolt, and then high-pressure pipe 1 from the vehicle.

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-155, "Leak Test"

.

HIGH-PRESSURE PIPE 2

HIGH-PRESSURE PIPE 2 : Removal and Installation

INFOID:0000000011007756

CAUTION:

JMIIA3737ZZ

JMIIA3743ZZ

: Vehicle front

JMIIA3741ZZ

COOLER PIPE AND HOSE

HA-173

< REMOVAL AND INSTALLATION >

[R9M (FOR RUSSIA)]

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

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-

159, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-157,

"Recycle Refrigerant"

.

2.

Remove front bumper fascia assembly. Refer to 

EXT-15, "Removal and Installation"

.

3.

Remove mounting bolt 

, and then disconnect high-pressure

pipe 2 

 from high-pressure flexible hose 

.

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.

4.

Remove mounting bolt 

, and then disconnect high-pressure

pipe 2 from condenser & liquid tank assembly.

CAUTION:

Cap or wrap the joint of the A/C piping and condenser with
suitable material such as vinyl tape to avoid the entry of air.

5.

Remove high-pressure pipe 2 from the vehicle.

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-155, "Leak Test"

.

HIGH-PRESSURE PIPE 3

HIGH-PRESSURE PIPE 3 : Removal and Installation

INFOID:0000000011007757

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-

159, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-157,

"Recycle Refrigerant"

.

2.

Disconnect fixing clip, and then remove insulator upper side.

3.

Remove mounting bolt, and then disconnect high-pressure pipe 3 and low-pressure 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.

JMIIA3738ZZ

JMIIA3742ZZ

HA-174

< REMOVAL AND INSTALLATION >

[R9M (FOR RUSSIA)]

COOLER PIPE AND HOSE

4.

Remove mounting bolt 

, and then disconnect high-pressure

pipe 1 

 from high-hpressure pipe 3 

.

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.

5.

Remove mounting bolt, and then remove high-pressure pipe 3 from the vehicle.

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-155, "Leak Test"

.

REFRIGERANT PRESSURE SENSOR

REFRIGERANT PRESSURE SENSOR : Removal and Installation

INFOID:0000000011007758

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-

159, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-157,

"Recycle Refrigerant"

.

2.

Remove front bumper fascia assembly. Refer to 

EXT-15, "Removal and Installation"

.

3.

Clean refrigerant pressure sensor and its surrounding area, and then remove dust and rust from refriger-
ant pressure sensor.

CAUTION:

Be sure to clean carefully.

4.

Disconnect refrigerant pressure sensor harness connector.

5.

Use a adjustable wrench or other tool to hold the refrigerant pressure sensor mounting block, and then
remove the refrigerant pressure sensor from high-pressure pipe 1.

CAUTION:

• Never damage high-pressure pipe 1.
• Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry

of air.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-ring with new one. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to 

HA-155, "Leak Test"

.

JMIIA3737ZZ

JMIIA3741ZZ