2006 INFINITI FX35 Cool

HEATER & COOLING UNIT ASSEMBLY ATC-127
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Revision: 2006 December 2006 FX35/FX45

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.
NOTE:

When filling radiator with coolant, refer to CO-11, "Changing Engine Coolant" (VQ35DE) or CO-38,
"Changing Engine Coolant" (VK45DE).

Recharge the refrigerant.
Heater & cooling unit assembly mounting bolt : 6.8 N·m (0.69 kg-m, 60 in-lb)
Steering member mounting nut and bolt : 12 N·m (1.2 kg-m, 9 fl-lb)
Steering column mounting nut and bolt : 16.7 N·m (1.7 kg-m, 12 fl-lb)

ATC-128
HEATER & COOLING UNIT ASSEMBLY
Revision: 2006 December 2006 FX35/FX45
Disassembly and AssemblyNJS000EV
1. Heater pipe grommet 2. Heater core 3. Heater pipe cover
4. Aspirator 5. Aspirator hose 6. Air mix door motor (driver side)
7. Air mix door (slide door) 8. Max. cool door link 9. Max. cool door lever
10. Ventilator door lever 11. Ventilator door link 12. Air mix door motor (passenger side)
13. Intake sensor bracket 14. Intake sensor 15. Foot duct (right)
16. Evaporator cover 17. Evaporator cover adaptor 18. Heater pipe bracket
SJIA1645E

HEATER & COOLING UNIT ASSEMBLY ATC-129
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Revision: 2006 December 2006 FX35/FX45
19. Insulator 20. Heater case (right) 21. Low-pressure pipe 2
22. High-pressure pipe 3 23. Expansion valve 24. Evaporator
25. Heater case (left) 26. Foot duct (left) 27. Center case
28. Max. cool door (left) 29. Ventilator door 30. Side link
31. Mode door motor 32. Defroster door 33. Max. cool door (right)
34. Defroster door lever 35. Defroster door link

ATC-132
HEATER CORE
Revision: 2006 December 2006 FX35/FX45
HEATER COREPFP:27140
Removal and InstallationNJS000EY
REMOVAL
1. Remove heater & cooling unit assembly. Refer to ATC-125, "HEATER & COOLING UNIT ASSEMBLY" .
2. Remove foot duct (left). Refer to ATC-136, "
Removal of Foot Ducts" .
3. Remove mounting screws, and then remove heater pipe cover.
4. Remove heater pipe bracket.
5. Slide heater core (shown in the figure) to driver side.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA2046E

ATC-136
DUCTS AND GRILLES
Revision: 2006 December 2006 FX35/FX45
Removal of Foot Ducts
1. Remove heater & cooling unit assembly. Refer to ATC-125, "HEATER & COOLING UNIT ASSEMBLY" .
2. Remove mounting screws, and then remove air mix door motor (right), mode door motor, evaporator cover and foot duct (right).
3. Remove foot duct (left).
Removal of Floor Ducts
1. Remove floor carpet. Refer to EI-40, "FLOOR TRIM" .
2. Remove mounting clips, and then remove side floor ducts.
3. Remove instrument panel assembly. Refer to IP-10, "
INSTRU-
MENT PANEL ASSEMBLY" .
4. Remove mounting clip, and then remove center floor duct with rear ventilator duct 1 attached.
5. Remove center floor duct from rear ventilator duct 1.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA0962E
RJIA2055E
RJIA2054E

REFRIGERANT LINES ATC-141
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Revision: 2006 December 2006 FX35/FX45
VK45DE
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove air cleaner case and air duct. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" (VQ35DE) or
EM-177, "
AIR CLEANER AND AIR DUCT" (VK45DE).
3. Remove front engine undercover, using power tools.
4. Remove cooling fan shroud (lower). Refer to CO-41, "
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-147,
"Removal and Installation of High-pressure Flexible Hose"
(VK45DE).
7. Disconnect compressor connector.
8. Remove A/C compressor belt. Refer to EM-15, "
DRIVE BELTS" (VQ35DE) or EM-174, "DRIVE BELTS"
(VK45DE).
RJIA2244E
RJIA2059E
RJIA2058E

ATC-152
REFRIGERANT LINES
Revision: 2006 December 2006 FX35/FX45
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.

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 TankNJS000F9
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove front grille. Refer to EI-22, "
FRONT GRILLE" .
3. Clean liquid tank and its surrounding area, and remove dirt and rust from liquid tank.
CAUTION:
Be sure to clean carefully.
4. Remove liquid tank and power steering oil cooler mounting bolts.
5. Lift liquid tank bracket upward. Remove liquid tank bracket from protruding part of condenser.
6. Slide liquid tank upward, and then remove liquid tank. Low-pressure pipe 1 bracket and low-pressure flexible hose bracket mounting bolts
: 5.5 N·m (0.56 kg-m, 49 in-lb)
SJIA1644E
RJIA0672E

REFRIGERANT LINES ATC-153
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Revision: 2006 December 2006 FX35/FX45
INSTALLATION
Install liquid tank, and then install liquid tank bracket on condenser.
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 A/C piping with new ones, and then
apply compressor oil to it when installing it.

When recharging refrigerant, check for leaks.
Removal and Installation of CondenserNJS000FA
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove cooling fan. Refer to CO-49, "
COOLING FAN" (VK45DE).
3. Remove radiator cooling fan assembly. Refer to CO-14, "
RADIATOR" (VQ35DE).
4. Remove radiator shroud. Refer to CO-41, "
RADIATOR" (VK45DE).
5. Remove washer tank mounting bolt.
6. Remove high-pressure flexible hose bracket mounting bolt.
7. Disconnect high-pressure flexible hose and high-pressure pipe 1 from condenser.
a. Set a disconnector [condenser outlet (SST: 9253089908), con- denser inlet (SST: 9253089912)] on A/C piping.
b. Slide a disconnector upward until it clicks.
c. Slide A/C piping upward and disconnect it.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
RJIA0673E
PBIC1534E
RJIA2065E
RJIA2066E