2004 INFINITI FX35 Refrigerant

HEATER & COOLING UNIT ASSEMBLY
ATC-127
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AT C
Revision: 2004 November 2004 FX35/FX45
12. Remove mounting bolts from heater & cooling unit.
13. Disconnect drain hose.
14. Remove ventilator ducts, defroster nozzle and ducts.
15. Remove steering member mounting bolts, nut and harness clips.
16. Remove the steering member, and then remove heater & cooling unit.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace O-rings for A/C piping with new one, then apply compressor oil to it when installing it.

Connection point for female-side piping is thin. So, when inserting male-side piping, take care not
to deform female-side piping. Slowly insert in axial direction.

Insert one-touch joint connection point securely until it clicks.

After piping has been connected, pull male-side piping by hand to make sure piping does not
come off.

When recharging refrigerant, check for leaks.
NOTE:

When filling radiator with coolant, refer to CO-11, "Changing Engine Coolant" (VQ35DE) or CO-36,
"Changing Engine Coolant" (VK45DE).

Recharge the refrigerant.
RJIA2044E
RJIA2043E
Heater & cooling unit mounting bolt
Tightening torque : 6.8 N·m (0.69 kg-m, 60 in - lb)
Steering member mounting nut and bolt
Tightening torque : 12 N·m (1.2 kg-m, 9 ft - lb)

REFRIGERANT LINES
ATC-137
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Revision: 2004 November 2004 FX35/FX45
REFRIGERANT LINESPFP:92600
HFC-134a (R-134a) Service ProcedureAJS0015P
SETTING OF SERVICE TOOLS AND EQUIPMENT
Discharging Refrigerant
WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and
throat. Remove HFC-134a (R-134a) from A/C system using certified service equipment meeting
requirements of SAE J-2210 [HFC-134a (R-134a) recycling equipment] or J-2201 [HFC-134a (R-134a)
recovery equipment]. If accidental system discharge occurs, ventilate work area before resuming ser-
vice. Additional health and safety information may be obtained from refrigerant and lubricant manu-
facturers.
Evacuating System and Charging Refrigerant
WJIA0614E
WJIA0615E

ATC-138
REFRIGERANT LINES
Revision: 2004 November 2004 FX35/FX45
*1ATC-27, "LUBRICANT RETURN
OPERATION".*2ATC-157, "
Checking for Refrigerant
Leaks".*3ATC-159, "
CHECKING PROCE-
DURE".
*4ATC-93, "
PERFORMANCE TEST
DIAGNOSIS".*5AT C - 5 , "
CONTAMINATED REFRIG-
ERANT".
RJIA3006E

REFRIGERANT LINES
ATC-139
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Revision: 2004 November 2004 FX35/FX45
ComponentsAJS0015Q
Refer to AT C - 8 , "Precautions for Refrigerant Connection" .
VK45DE
RJIA2056E

ATC-140
REFRIGERANT LINES
Revision: 2004 November 2004 FX35/FX45
VQ35DE
Removal and Installation of CompressorAJS0015R
REMOVAL
VK45DE
RJIA2057E
RJIA2244E

REFRIGERANT LINES
ATC-141
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Revision: 2004 November 2004 FX35/FX45
VQ35DE
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove the air cleaner and air duct. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" (VQ35DE) or EM-
172, "AIR CLEANER AND AIR DUCT" (VK45DE).
3. Remove front engine undercover, using power tools.
4. Remove cooling fan shroud (lower). Refer to CO-39, "
RADIATOR" (VK45DE).
5. Remove mounting nuts from low-pressure flexible hose and
high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
6. Remove high-pressure flexible hose. Refer to ATC-148,
"Removal and Installation of High-pressure Flexible Hose"
(VK45DE).
7. Disconnect compressor (magnet clutch and ECV) connectors.
8. Remove the A/C compressor belt. Refer to EM-15, "
DRIVE BELTS" (VQ35DE) or EM-169, "DRIVE
BELTS" (VK45DE).
9. Remove mounting bolt from radiator hose bracket (VK45DE).
RJIA2245E
RJIA2058E
RJIA2059E

ATC-142
REFRIGERANT LINES
Revision: 2004 November 2004 FX35/FX45
10. Remove mounting bolts from compressor, using power tools.
11. Remove compressor from downward (VK45DE).
12. Remove compressor from downward (VQ35DE).
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace the O-ring of the low-pressure flexible hose, high-pressure pipe and high-pressure flexi-
ble hose with a new one, then apply compressor oil to it when installing it.

When recharging refrigerant, check for leaks.
RJIA2060E
RJIA2061E

REFRIGERANT LINES
ATC-143
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AT C
Revision: 2004 November 2004 FX35/FX45
Removal and Installation of Compressor ClutchAJS001C8
REMOVAL
Overhaul
1. When removing center bolt, hold clutch disc with wrench.
2. Remove the clutch disc using the clutch disc puller.
3. Remove the snap ring using external snap ring pliers.
RHA136EB
RHA399F
RHA124F
RHA138E