Infiniti Q45. Manual — part 140
REFRIGERANT LINES
ATC-155
C
D
E
F
G
H
I
K
L
M
A
B
ATC
5.
Remove mounting bolt and nut, and then remove high-pressure
flexible hose.
CAUTION:
Cap or wrap the joint of the pipe with a suitable material
such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of high-pressure flexible hose with new ones, and then apply compressor oil to it
when installing it.
●
When recharging refrigerant, check for leaks.
Removal and Installation of High-Pressure Pipe
NJS0009N
REMOVAL
1.
Remove engine cover and air cleaner cover, using power tools. Refer to
2.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
3.
Drain coolant from cooling system and disconnect heater hoses.
Refer to
CO-8, "Changing Engine Coolant"
.
4.
Remove tower bar, air cleaner assembly, air duct and air inlet
pipe. Refer to
FSU-5, "FRONT SUSPENSION ASSEMBLY"
and
EM-17, "AIR CLEANER AND AIR DUCT"
.
5.
Remove vehicle harness from clip.
6.
Remove low-pressure flexible hose. Refer to
ATC-153, "Removal and Installation of Low-Pressure Flexi-
7.
Remove high-pressure flexible hose. Refer to
ATC-154, "Removal and Installation of High-Pressure Flex-
.
RJIA1323E
RJIA0318E
RJIA0328E
ATC-156
REFRIGERANT LINES
8.
Remove high-pressure pipe from vehicle clips.
9.
Remove front grille, battery, battery tray and radiator mounting
bracket. Refer to
and
.
10. Slide the radiator assembly to the right side of vehicle.
11. Remove mounting bolt from high-pressure pipe, and then
remove high-pressure pipe.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of high-pressure pipe with new ones, and then apply compressor oil to it when
installing it.
●
When recharging refrigerant, check for leaks.
Removal and Installation of Refrigerant Pressure Sensor
NJS0009O
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove front grille. Refer to
3.
4.
Disconnect connector, and then remove refrigerant pressure
sensor.
CAUTION:
●
Secure refrigerant pressure sensor installation pipe with an
open-end wrench. Be careful not to deform pipe during the
operation.
●
Be careful not to damage the core surface of the condenser
during the operation.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Apply compressor oil to O-ring of the refrigerant pressure sensor when installing it.
●
When recharging refrigerant, check for leaks.
RJIA0329E
RJIA2695E
RJIA3089E
REFRIGERANT LINES
ATC-157
C
D
E
F
G
H
I
K
L
M
A
B
ATC
Removal and Installation of Condenser
NJS0009P
REMOVAL
1.
Remove engine cover and air cleaner cover, using power tools. Refer to
2.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
3.
Remove air cleaner assembly, air duct and air inlet pipe. Refer to
4.
Disconnect high-pressure flexible hose and high-pressure pipe
from condenser.
CAUTION:
Cap or wrap the joint of the pipe with a suitable material
such as vinyl tape to avoid the entry of air.
5.
Remove oil cooler pipe clips from left and right sides of con-
denser.
6.
Slide condenser up, and then remove it from radiator clip.
7.
Remove oil cooler from condenser (if equipped).
8.
Remove front grille, battery, battery tray and radiator mounting
bracket. Refer to
and
9.
Remove cooling fan shroud. Refer to
CO-18, "Removal and Installation"
10. Remove mounting bolts from condenser.
11. Remove radiator from lower mount, move it toward engine side,
and then remove condenser between radiator and radiator core
support.
CAUTION:
Be careful not to damage the core surface of condenser and
radiator.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of high-pressure pipe and high-pressure
flexible hose with new ones, and then apply compressor oil
to it when installing it.
●
When recharging refrigerant, check for leaks.
RJIA0141E
RJIA2696E
RJIA0332E
RJIA0333E
ATC-158
REFRIGERANT LINES
Removal and Installation of Liquid Tank
NJS0009Q
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove air cleaner cover and front air guide. Refer to
EM-17, "AIR CLEANER AND AIR DUCT"
3.
Remove front grille. Refer to
4.
Remove mounting screw, and then remove pipe securing
bracket.
5.
Remove liquid tank securing band mounting screw.
6.
Pull out liquid tank and liquid tank securing band through the
upward.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of A/C piping with new ones, and then apply compressor oil to it when installing
it.
●
When recharging refrigerant, check for leaks.
SJIA0132J
1.
Liquid tank
2.
Liquid tank securing band
3.
Screw
4.
Pipe securing bracket
5.
Screw
6.
O-ring
7.
Condenser
8.
Refrigerant pressure sensor
SJIA0133E
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