NISSAN 350Z 2007 Z33 Automatic Air Conditioner Workshop Manual

INTAKE DOOR MOTOR
ATC-111
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Revision: 2006 November2007 350Z
INTAKE DOOR MOTORPFP:27730
Removal and InstallationNJS0001N
REMOVAL
1. Remove blower unit. Refer to ATC-108, "BLOWER UNIT" .
2. Remove mounting screws, and then remove intake door motor
from blower unit.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA1416E

ATC-112
HEATER & COOLING UNIT ASSEMBLY
Revision: 2006 November2007 350Z
HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationNJS0001O
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Drain coolant from cooling system. Refer to CO-10, "
Changing Engine Coolant" .
3. Remove cowl top cover. Refer to EI-20, "
COWL TOP" .
4. 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 low-pressure pipe 1 and low-pres-
sure pipe 2 with suitable material such as vinyl tape to
avoid the entry of air.
5. Disconnect one-touch-joint between high-pressure pipe 1 (3)
and high-pressure pipe 2 (4) with disconnector (SST:
9253089908) (A).
CAUTION:
Cap or wrap the joint of high-pressure pipe 1 and high-pres-
sure pipe 2 with suitable material such as vinyl tape to avoid the entry of air.
6. Remove clamps (A), and then disconnect two heater hoses (1) from heater core.
7. Remove instrument panel. Refer to IP-10, "
INSTRUMENT PANEL ASSEMBLY" .
8. Remove blower unit. Refer to ATC-108, "
BLOWER UNIT" .
9. Remove clips of vehicle harness from steering member.
10. Remove mounting nuts and bolts, and then remove instrument stays (left and right).
11. Remove defroster nozzle and ventilator ducts. Refer to ATC-121, "
Removal of Defroster Nozzle, Ducts
and Ventilator Ducts" .
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HEATER & COOLING UNIT ASSEMBLY
ATC-113
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Revision: 2006 November2007 350Z
12. Remove mounting bolts from heater & cooling unit assembly.
13. Remove steering column assembly mounting nuts and bolt.
14. Remove steering member mounting bolts, and then remove steering member.
15. Remove heater & cooling unit assembly.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace O-rings of low-pressure pipe 2 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.
NOTE:

When filling radiator with coolant, refer to CO-10, "Changing Engine Coolant" .

Recharge the refrigerant.
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Heater & cooling unit assembly mounting bolts
: 6.9 N·m (0.7 kg-m, 61 in-lb)
Steering member and steering column assembly mounting nuts and bolt
: 12 N·m (1.2 kg-m, 9 ft-lb)

ATC-114
HEATER & COOLING UNIT ASSEMBLY
Revision: 2006 November2007 350Z
Disassembly and AssemblyNJS0001P
1. Heater pipe grommet 2. Heater core 3. Heater pipe cover
4. Aspirator 5. Aspirator duct 6. Rear foot cover
7. Max. cool door link 8. Max. cool door lever 9. Ventilator door lever
10. Ventilator door link 11. Air mix door motor 12. Intake sensor
13. Foot duct (right) 14. Evaporator cover 15. Evaporator cover adapter
16. Heater pipe bracket 17. Insulator 18. Heater case (right)
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HEATER & COOLING UNIT ASSEMBLY
ATC-115
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Revision: 2006 November2007 350Z
19. Low-pressure pipe 1 20. High-pressure pipe 2 21. O-ring
22. Expansion valve 23. Evaporator 24. Heater case (left)
25. Foot duct (left) 26. Air mix door (slide door) 27. Ventilator door
28. Side link 29. Mode door motor 30. Intake sensor bracket
31. Defroster door 32. Max. cool door 33. Defroster door lever
34. Defroster door link
: N·m (kg-m, in-lb)
: Always replace after every disassembly.

ATC-116
MODE DOOR MOTOR
Revision: 2006 November2007 350Z
MODE DOOR MOTORPFP:27731
Removal and InstallationNJS0001Q
REMOVAL
1. Remove blower unit. Refer to ATC-108, "BLOWER UNIT" .
2. Remove mounting screws from mode door motor.
3. Disconnect connector, and then remove mode door motor.
INSTALLATION
Installation is basically the reverse order of removal.
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AIR MIX DOOR MOTOR
ATC-117
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Revision: 2006 November2007 350Z
AIR MIX DOOR MOTORPFP:27732
Removal and InstallationNJS0001R
REMOVAL
1. Set the temperature control dial at 18°C (60°F).
2. Open the driver and front passenger window, and then disconnect the battery cable from the negative ter-
minal.
CAUTION:
After the battery cables are disconnected, do not open/close the driver and/or front passenger
door with the window in the full up position. The automatic window adjusting function will not
work and the side roof panel may be damaged.
3. Remove blower unit. Refer to ATC-108, "
BLOWER UNIT" .
4. Disconnect air mix door motor connector.
5. Remove mounting screws, and then remove air mix door motor.
INSTALLATION
Installation is basically the reverse order of removal.
SJIA1175E

ATC-118
HEATER CORE
Revision: 2006 November2007 350Z
HEATER COREPFP:27140
Removal and InstallationNJS0001S
REMOVAL
1. Remove heater & cooling unit assembly. Refer to AT C - 11 2 , "HEATER & COOLING UNIT ASSEMBLY" .
2. Remove foot duct (left). Refer to ATC-122, "
Removal of Foot Ducts" .
3. Remove mounting screws, and then remove heater pipe cover.
4. Remove heater pipe bracket and heater pipe grommet.
5. Slide heater core to leftward.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA2142E

DUCTS AND GRILLES
ATC-119
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Revision: 2006 November2007 350Z
DUCTS AND GRILLESPFP:27860
Removal and InstallationNJS0001T
COMPONENT LAYOUT
REMOVAL
Removal of Center Ventilator Grilles
1. Remove instrument driver and passenger panel upper. Refer to IP-10, "INSTRUMENT PANEL ASSEM-
BLY" .
2. Remove mounting screws, and then remove center ventilator
grilles.
1. Defroster nozzle 2. Side defroster duct 1 (left) 3. Side ventilator duct 1 (left)
4. Side defroster duct 2 (left) 5. Instrument side finisher (left) 6. Side ventilator duct 2 (left)
7. Side ventilator grille (left) 8. Center ventilator grille (left) 9. Center ventilator grille (right)
10. Side ventilator grille (right) 11. Side ventilator duct 2 (right) 12. Instrument side finisher (right)
13. Instrument panel 14. Side defroster duct 2 (right) 15. Side ventilator duct 1 (right)
16. Side defroster duct 1 (right) 17. Center ventilator duct
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ATC-120
DUCTS AND GRILLES
Revision: 2006 November2007 350Z
Removal of Side Ventilator Duct 2 and Grilles
1. Remove door finisher. Refer to EI-33, "DOOR FINISHER" .
2. Remove mounting screws, and then remove side ventilator duct
2 (left and right).
3. Remove mounting clips, and then remove side ventilator grilles
(left and right).
Removal of Instrument Side Finishers
Remove mounting clips, and then remove instrument side finishers
(left and right).
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