Nissan Qashqai J11. Manual — part 1087
HA-174
< REMOVAL AND INSTALLATION >
[TYPE 4]
COOLER PIPE AND HOSE
R9M engine models
HIGH-PRESSURE FLEXIBLE HOSE
HIGH-PRESSURE FLEXIBLE HOSE : Removal and Installation
INFOID:0000000010707894
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove mounting bolt, and then disconnect high-pressure flexible hose from the high-pressure pipe 2.
JMIIA3632GB
1.
A/C unit assembly
2.
O-ring
3.
High-pressure pipe 3
4.
High-pressure pipe 1
5.
Refrigerant pressure sensor
6.
Condenser & liquid tank assembly
7.
High-pressure pipe 2
8.
High-pressure flexible hose
9.
Compressor
10. Low-pressure flexible hose
11.
Low-pressure pipe
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
COOLER PIPE AND HOSE
HA-175
< REMOVAL AND INSTALLATION >
[TYPE 4]
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
CAUTION:
Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry
of air.
3.
Remove mounting bolt, and then disconnect high-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 high-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
LOW-PRESSURE FLEXIBLE HOSE
LOW-PRESSURE FLEXIBLE HOSE : Removal and Installation
INFOID:0000000010707895
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
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 material such as vinyl tape to avoid the entry
of air.
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
LOW-PRESSURE PIPE
LOW-PRESSURE PIPE : Removal and Installation
INFOID:0000000010707896
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove fixing clip, and then remove insulator upper side.
3.
Remove cowl top extension. Refer to
EXT-30, "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.
HA-176
< REMOVAL AND INSTALLATION >
[TYPE 4]
COOLER PIPE AND HOSE
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 material 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
HIGH-PRESSURE PIPE 1
HIGH-PRESSURE PIPE 1 : Removal and Installation
INFOID:0000000010707897
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove front bumper fascia assembly. Refer to
EXT-20, "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 material 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.
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
HIGH-PRESSURE PIPE 2
HIGH-PRESSURE PIPE 2 : Removal and Installation
INFOID:0000000010707898
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove front bumper fascia assembly. Refer to
EXT-20, "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.
COOLER PIPE AND HOSE
HA-177
< REMOVAL AND INSTALLATION >
[TYPE 4]
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
HIGH-PRESSURE PIPE 3
HIGH-PRESSURE PIPE 3 : Removal and Installation
INFOID:0000000010707921
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
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.
4.
Remove mounting bolt, and then disconnect high-pressure pipe 3 from the high-pressure pipe 1.
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 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
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR : Removal and Installation
INFOID:0000000010707899
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
67, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove front bumper fascia assembly. Refer to
EXT-20, "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 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.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст