Infiniti FX35, FX50 (S51). Manual — part 1132
COOLER PIPE AND HOSE
HA-41
< REMOVAL AND INSTALLATION >
[VQ35HR]
C
D
E
F
G
H
J
K
L
M
A
B
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N
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P
3.
Remove mounting bolt (A) from low-pressure flexible hose
bracket (1).
4.
Disconnect one-touch joint between low-pressure flexible hose
(2) and low-pressure pipe 2 (3) with disconnector (B) (SST:
9253089916).
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 nut (A), and then remove low-pressure flexi-
ble hose (1).
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.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.
• Insert piping securely until a click is heard.
• After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.
• Check for leakages when recharging refrigerant.
HIGH-PRESSURE FLEXIBLE HOSE
HIGH-PRESSURE FLEXIBLE HOSE : Removal and Installation
INFOID:0000000005249910
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove air cleaner case (bank 2). Refer to
.
3.
Remove mounting bolt (A) from high-pressure flexible hose
bracket (1).
4.
Disconnect one-touch joint between high-pressure flexible hose
(2) and condenser pipe assembly (3) with disconnector (B)
(SST: 9253089912).
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.
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HA-42
< REMOVAL AND INSTALLATION >
[VQ35HR]
COOLER PIPE AND HOSE
5.
Remove mounting nut (A), and then remove high-pressure flexi-
ble hose (1).
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.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.
• Insert piping securely until a click is heard.
• After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.
• Check for leakages when recharging refrigerant.
HIGH-PRESSURE PIPE 1
HIGH-PRESSURE PIPE 1 : Removal and Installation
INFOID:0000000005249911
REMOVAL
1.
Remove low-pressure flexible hose and low-pressure pipe 2. Refer to
.
2.
Remove cramp (A), and then disconnect vacuum hose (1).
Refer to
.
3.
Remove ground bolts (A).
4.
Remove high-pressure pipe 1 (1) from vehicle clip (B).
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COOLER PIPE AND HOSE
HA-43
< REMOVAL AND INSTALLATION >
[VQ35HR]
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
5.
Remove high-pressure pipe 1 (1) from vehicle clip (A).
6.
Disconnect one-touch joint between high-pressure pipe 1 and
condenser pipe assembly with disconnector (B) (SST:
9253089908).
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.
7.
Disconnect one-touch joint between high-pressure pipe 1 (2)
and high-pressure pipe 2 (1) with disconnector (A) (SST:
9253089908).
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.
8.
Remove high-pressure pipe 1.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.
• Insert piping securely until a click is heard.
• After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.
• Check for leakages when recharging refrigerant.
LOW-PRESSURE PIPE 2
LOW-PRESSURE PIPE 2 : Removal and Installation
INFOID:0000000005249912
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove cowl top cover. Refer to
3.
Remove mounting bolt (A) from low-pressure flexible hose
bracket (1).
4.
Disconnect one-touch joint between low-pressure flexible hose
(2) and low-pressure pipe 2 (3) with disconnector (B) (SST:
9253089916).
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.
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HA-44
< REMOVAL AND INSTALLATION >
[VQ35HR]
COOLER PIPE AND HOSE
5.
Disconnect one-touch joint between low-pressure pipe 1 (1) and
low-pressure pipe 2 (2) with disconnector (A) (SST:
9253089916).
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 low-pressure pipe 2.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.
• Insert piping securely until a click is heard.
• After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.
• Check for leakages when recharging refrigerant.
LOW-PRESSURE PIPE 1 AND HIGH-PRESSURE PIPE 2
LOW-PRESSURE PIPE 1 AND HIGH-PRESSURE PIPE 2 : Removal and Installation
INFOID:0000000005249913
REMOVAL
1.
Set the temperature at 18.0
°
C (60
°
F).
2.
Disconnect the battery cable from the negative terminal.
3.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
4.
Remove cowl top cover. Refer to
.
5.
Disconnect one-touch joint between low-pressure pipe 1 (1) and
low-pressure pipe 2 (2) with disconnector (SST: 9253089916)
(A).
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.
Disconnect one-touch joints between high-pressure pipe 1 (4)
and high-pressure pipe 2 (3) with disconnector (SST:
9253089908).
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.
7.
Remove blower unit. Refer to
8.
Remove foot grille (right). Refer to
9.
Remove air mix door motor (passenger side). Refer to
.
10. Remove mode door motor. Refer to
.
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