installation INFINITI FX35 2008 Repair Manual

IN-CABIN MICROFILTERATC-107
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IN-CABIN MICROFILTER
Removal and InstallationINFOID:0000000001328210
FUNCTION
Air inside passenger compartment is kept clean at either recircula-
tion or fresh mode by installing in-cabin microfilter into blower unit.
REPLACEMENT TIMING
Replace in-cabin microfilter.
Refer to MA-5, "
Schedule 1" in Schedule 1 and MA-7, "Schedule 2" in Schedule 2.
When replacing filter, affix a caution label inside the glove box.
REPLACEMENT PROCEDURES
1. Remove instrument passenger lower panel. Refer to IP-10.
2. Remove filter cover, and then remove in-cabin microfilter.
3. Take out in-cabin microfilter from blower unit.
4. Replace with new one and reinstall on blower unit.
5. Reinstall instrument passenger lower panel.
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ATC-108
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HEATER & COOLING UNIT ASSEMBLY
HEATER & COOLING UNIT ASSEMBLY
Removal and InstallationINFOID:0000000001328211
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" (VQ35DE) or CO-37,
"Changing Engine Coolant" (VK45DE).
3. Remove cowl top cover. Refer to EI-23
.
4. Remove high-pressure pipe 2 mounting clip.
5. Remove low-pressure flexible hose bracket mounting bolt. Refer to ATC-128, "
Removal and Installation of
Low-Pressure Flexible Hose".
6. Disconnect low-pressure pipe 1 and high-pressure pipe 2 from evaporator.
a. Set a disconnector [high-pressure side (SST: 9253089908), low- pressure side (SST: 9253089916)] on A/C piping.
b. Slide a disconnector toward vehicle front until it clicks.
c. Slide A/C piping toward vehicle front and disconnect it. CAUTION:
Cap or wrap the joint of low- pressure pipe 1, 2 and high-
pressure pipe 2, 3 with suitab le material such as vinyl tape
to avoid the entry of air.
7. Remove electric throttle control actuator (VQ35DE). Refer to EM-19
.
8. Disconnect two heater hoses from heater core.
9. Remove instrument panel and pad. Refer to IP-10
.
10. Remove blower unit. Refer to ATC-103
.
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HEATER & COOLING UNIT ASSEMBLYATC-109
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11. Remove mounting nuts and bolts, and then remove instrument stays (left and right side).
12. Remove mounting bolts from heater & cooling unit assembly.
13. Disconnect drain hose.
14. Remove center and side ventilator ducts, defroster nozzle and side defroster ducts. Refer to ATC-116,
"Removal and Installation".
15. Remove steering column mounting bolts and nut.
16. Remove steering member mounting bolts, nut and harness clips.
17. Remove steering member, and then remove heater & cooling unit assembly.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
 Replace O-rings of low-pressure pipe 1 and high- pressure pipe 2 with new ones, and then apply
compressor oil to it when installing it.
 Female-side piping c onnection 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 comple ted, pull male-side piping by hand to make sure that connection
does not come loose.
 When recharging refrigerant, check for leaks.
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MODE DOOR MOTORATC-113
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MODE DOOR MOTOR
Removal and InstallationINFOID:0000000001328213
REMOVAL
1. Remove blower unit. Refer to ATC-103.
2. Remove mounting screws, and then remove mode door motor.
3. Disconnect mode door motor connector.
INSTALLATION
Installation is basically the reverse order of removal.
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ATC-114
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AIR MIX DOOR MOTOR
AIR MIX DOOR MOTOR
Removal and InstallationINFOID:0000000001328214
REMOVAL
Driver Side
1. Set the temperature control switch (driver side) at 18°C (60 °F), and then disconnect the battery cable from
the negative terminal.
2. Remove instrument driver lower panel. Refer to IP-10
.
3. Remove mounting screws, and then remove air mix door motor.
4. Disconnect air mix door motor connector.
Passenger Side
1. Set the temperature control switch (passenger side) at 18 °C (60 °F), and then disconnect the battery cable
from the negative terminal.
2. Remove blower unit. Refer to ATC-103
.
3. Remove mounting screws, and then remove air mix door motor.
4. Disconnect air mix door motor connector.
INSTALLATION
Installation is basically the reverse order of removal.
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HEATER COREATC-115
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HEATER CORE
Removal and InstallationINFOID:0000000001328215
REMOVAL
1. Remove heater & cooling unit assembly. Refer to ATC-108.
2. Remove foot duct (left). Refer to ATC-116, "
Removal and Installation".
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.
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ATC-116
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DUCTS AND GRILLES
DUCTS AND GRILLES
Removal and InstallationINFOID:0000000001328216
COMPONENT LAYOUT
REMOVAL
Removal of Center Ventilator Grilles
1. Remove cluster lid C. Refer to IP-10.
2. Remove mounting screws, and then remove center ventilator grilles.
Removal of Side Ventilation
Remove side ventilation. Refer to IP-10.
Removal of Rear Ventilator Grilles
1. Remove center pillar lower garnish. Refer to IP-10.
1. Defroster nozzle 2. Side defroster duct (left) 3. Side ventilator duct (left)
4. Instrument panel 5. Side ventilation (left) 6. Center ventilator grille (left)
7. Center ventilator grille (right) 8. Side ventilation (right) 9. Center ventilator duct (right)
10. Side ventilator duct (right) 11. Side defroster duct (right) 12. Center ventilator duct
13. Center ventilator duct (left)
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DUCTS AND GRILLESATC-119
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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.
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REFRIGERANT LINESATC-123
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VK45DE
Removal and Installation of CompressorINFOID:0000000001328219
REMOVAL
VQ35DE
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ATC-124
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REFRIGERANT LINES
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
(VQ35DE) or EM-173 (VK45DE).
3. Remove front engine undercover, using power tools.
4. Remove cooling fan shroud (lower). Refer to CO-40
(VK45DE).
5. Remove mounting nuts from low-pressure flexible hose and high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of co mpressor, low-pressure flexible
hose and high-pressure flexibl e hose with suitable material
such as vinyl tape to avoid the entry of air.
6. Remove high-pressure flexible hose. Refer to ATC-129,
"Removal and Installation of High-pressure Flexible Hose"
(VK45DE).
7. Disconnect compressor connector.
8. Remove A/C compressor belt. Refer to EM-15, "
Removal and Installation" (VQ35DE) or EM-170,
"Removal and Installation" (VK45DE).
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