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ATC-128
REFRIGERANT LINES
Revision: 2006 November2007 350Z
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Replace O-rings of low-pressure flexible hose and low-pressure pipe 2 with new ones, and then
apply compressor oil to it when installing it.
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.
When recharging refrigerant, check for leaks.
Removal and Installation of High-pressure Flexible HoseNJS0001Z
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove tower bar. Refer to FSU-20, "
TOWER BAR" .
3. Remove engine cover (1), (2). Refer to EM-17, "
INTAKE MANIFOLD COLLECTOR" .
4. Remove air cleaner case (LH) and air duct (LH). Refer to EM-15, "
AIR CLEANER AND AIR DUCT" .
5. Remove mounting bolt (A) from high-pressure flexible hose
bracket (1).
6. Disconnect one-touch joint between high-pressure flexible hose
(1) and condenser with disconnector (SST: 9253089912) (A).
CAUTION:
Cap or wrap the joint of high-pressure flexible hose and
condenser with suitable material such as vinyl tape to avoid
the entry of air.
7. Remove mounting nut (A) from high-pressure flexible hose (1),
and then remove high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of high-pressure flexible hose and
compressor with suitable material such as vinyl tape to
avoid the entry of air.Low-pressure flexible hose bracket mounting bolt
: 4.2 N·m (0.43 kg-m, 37 in-lb)
PJIA0183E
PJIA0184E
PJIA0185E
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ATC-129
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Revision: 2006 November2007 350Z
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.
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.
When recharging refrigerant, check for leaks.
High-pressure flexible hose bracket mounting bolt
: 4.2 N·m (0.43 kg-m, 37 in-lb)
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ATC-130
REFRIGERANT LINES
Revision: 2006 November2007 350Z
Removal and Installation of High-pressure Pipe 1 (Engine Compartment)NJS00020
REMOVAL
1. Remove low-pressure flexible hose and pipe 2. Refer to ATC-127, "Removal and Installation of Low-pres-
sure Flexible Hose and Pipe 2" .
2. Remove high-pressure pipe 1 (1) from vehicle clip (A).
3. Disconnect one-touch joint between high-pressure pipe 1 (1) and condenser with disconnector (SST:
9253089908) (A).
CAUTION:
Cap or wrap the joint of condenser and high-pressure pipe 1 with suitable material such as vinyl
tape to avoid the entry of air.
4. Disconnect one-touch joint between high-pressure pipe 1 (1) and high-pressure pipe 2 with disconnector
(SST: 9253089908) (A).
CAUTION:
Cap or wrap the joint of high-pressure pipe 1 and 2 with suitable material such as vinyl tape to
avoid the entry of air.
5. Remove high-pressure pipe 1.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Replace O-rings of high-pressure pipe 1 with new ones, and then apply compressor oil to it when
installing it.
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.
PJIA0186E
PJIA0187E
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ATC-132
REFRIGERANT LINES
Revision: 2006 November2007 350Z
13. Remove mounting bolt (A), and then remove low-pressure pipe
1 (1) and high-pressure pipe 2 (2).
CAUTION:
Cap or wrap the joint of evaporator, low-pressure pipe 1, 2
and high-pressure pipe 1, 2 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 low-pressure pipe 1, 2 and high-pressure pipe 1, 2 with new ones, and then
apply compressor oil to it when installing it.
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.
When recharging refrigerant, check for leaks.
Removal and Installation of Liquid TankNJS00022
REMOVAL
1. Remove condenser. Refer to ATC-133, "Removal and Installation of Condenser" .
2. Clean liquid tank and its surrounding area, and remove dust and rust from liquid tank.
CAUTION:
Be sure to clean carefully.
3. Remove mounting bolts (A), (B) from liquid tank (1).
4. Lift liquid tank bracket upward. Remove liquid tank bracket from
protruding part of condenser.
5. Slide liquid tank upward, and then remove liquid tank.
SJIA1898E
Low-pressure flexible hose bracket mounting bolt
: 4.2 N·m (0.43 kg-m, 37 in-lb)
SJIA1919E
RJIA1440E
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ATC-133
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Revision: 2006 November2007 350Z
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Make sure liquid tank bracket is securely installed at protru-
sion of condenser.
Make sure liquid tank bracket does not move to a position
below center of liquid tank.
Replace O-rings of condenser pipe with new ones, and then
apply compressor oil to it when installing it.
When recharging refrigerant, check for leaks.
Removal and Installation of CondenserNJS00023
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Drain engine coolant. Refer to CO-10, "
Changing Engine Coolant" .
3. Remove cover for condenser mounting bolt.
4. Remove tower bar. Refer to FSU-20, "
TOWER BAR" .
5. Remove engine cover (1), (2). Refer to EM-17, "
INTAKE MANIFOLD COLLECTOR" .
6. Remove air cleaner case (LH) and air duct (LH). Refer to and EM-15, "
AIR CLEANER AND AIR DUCT" .
7. Remove radiator fan shroud after removing radiator upper hose.
8. Remove mounting bolt for condenser.
9. Remove mounting bolt (A) from high-pressure flexible hose
bracket (1).
10. Disconnect one-touch joint between high-pressure flexible hose
(1) and condenser with disconnector (SST: 9253089912).
CAUTION:
Cap or wrap the high-pressure flexible hose and condenser
with suitable material such as vinyl tape to avoid the entry
of air.
Disconnect one-touch joint between high-pressure pipe 1 (2)
and condenser with disconnector (SST: 9253089908).
CAUTION:
Cap or wrap the joint of high-pressure pipe 1 and con-
denser with suitable material such as vinyl tape to avoid the
entry of air.
RJIA1441E
SJIA0249E
PJIA0183E
PJIA0189E
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ATC-134
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Revision: 2006 November2007 350Z
11. Remove radiator upper mount, move radiator and condenser to the engine side.
12. Disconnect refrigerant pressure sensor connector.
13. Lift condenser up slightly and tilt it toward front of vehicle. (This
is because condenser lower bracket is on bottom of radiator
tank.)
14. Pull condenser forward at an angle. Remove condenser from
radiator.
CAUTION:
Be careful not to damage core surface of the condenser and
the radiator.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Replace O-rings of high-pressure flexible hose and high-pressure pipe 1 with new ones, and then
apply compressor oil to it when installing it.
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.
When recharging refrigerant, check for leaks.
SJIA1085E
RJIA0669E
RJIA1443E
Condenser mounting bolt
: 4.2 N·m (0.43 kg-m, 37 in-lb)
High-pressure flexible hose bracket mounting bolt
: 4.2 N·m (0.43 kg-m, 37 in-lb)
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Revision: 2006 November2007 350Z
Removal and Installation of Refrigerant Pressure SensorNJS00024
REMOVAL
1. Remove liquid tank. Refer to ATC-132, "Removal and Installation of Liquid Tank" .
2. Using a vise, secure liquid tank, and then remove refrigerant
pressure sensor.
CAUTION:
When working, be careful not to damage condenser.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Apply compressor oil to the O-ring of the refrigerant pressure sensor when installing it.
When recharging refrigerant, check for leaks.
Removal and Installation of EvaporatorNJS00025
REMOVAL
1. Remove low-pressure pipe 1 and high-pressure pipe 2. Refer to ATC-131, "Removal and Installation of
Low-pressure Pipe 1 and High-pressure Pipe 2" .
CAUTION:
Cap or wrap the joint of evaporator, low-pressure pipe 1, 2 and high-pressure pipe 1, 2 with suit-
able material such as vinyl tape to avoid the entry of air.
2. Slide evaporator, and then remove it from heater & cooling unit
assembly.
3. Remove intake sensor from evaporator, and then remove evap-
orator.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Replace O-rings of low-pressure pipe 1, 2 and high-pressure pipe 1, 2 with new ones, and then
apply compressor oil to it when installing it.
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.
O-rings are different from low-pressure pipe 1 (high-pressure pipe 1) and low-pressure pipe 2
(high-pressure pipe 2).
Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sen-
sor can be located in the same position.
When recharging refrigerant, check for leaks.
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RJIA1406E
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Removal and Installation of Expansion ValveNJS00026
REMOVAL
1. Remove low-pressure pipe 1 and high-pressure pipe 2. Refer to ATC-131, "Removal and Installation of
Low-pressure Pipe 1 and High-pressure Pipe 2" .
2. Remove mounting bolts, and then remove expansion valve.
CAUTION:
Cap or wrap the joint of evaporator 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 evaporator, expansion valve, low-pressure pipe 1, 2 and high-pressure pipe 1,
2 with new ones, and then apply compressor oil to them when installing them.
O-rings are different from low-pressure pipe 1 (high-pressure pipe 1) and low-pressure pipe 2
(high-pressure pipe 2).
When recharging refrigerant, check for leaks.
RJIA0969E
