mount INFINITI FX35 2008 Repair Manual

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
< SERVICE INFORMATION >
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-117
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2. Remove mounting clips, and then remove rear ventilator grilles.
Removal of Defroster Nozzle, Ducts and Ventilator Ducts
1. Remove instrument panel and pad. Refer to IP-10.
2. Remove mounting screws, and then remove side defroster ducts.
3. Remove mounting screws, and then remove defroster nozzle.
4. Remove mounting screws, and then remove side ventilator ducts (right and left).
5. Remove mounting screws, and then remove center ventilator duct.
Removal of Rear Ventilator Ducts
1. Remove center console. Refer to IP-10.
2. Slide rear ventilator duct 2 toward vehicle front, and then remove it.
3. Remove floor carpet. Refer to EI-41
.
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ATC-118
< SERVICE INFORMATION >
DUCTS AND GRILLES
4. Remove mounting clips, and then remove rear ventilator duct 3.
5. Remove instrument panel and pad. Refer to IP-10
.
6. Remove rear ventilator duct 1 with center floor duct attached.
7. Remove rear ventilator duct 1 from center floor duct.
Removal of Foot Ducts
1. Remove heater & cooling unit assembly. Refer to ATC-108.
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-41.
2. Remove mounting clips, and then remove side floor ducts.
3. Remove instrument panel and pad. Refer to IP-10
.
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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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ATC-124
< SERVICE INFORMATION >
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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REFRIGERANT LINESATC-125
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9. Disconnect compressor (ECV) connector.
10. Remove mounting bolts from compressor, using power tools.
11. Remove compressor downward of the vehicle.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
 Replace O-rings of low-pressure flexible hose and high-pressure flexible hose with new ones, and
then apply compressor oil to it when installing it.
 When recharging refrigerant, check for leaks.
Removal and Installation of Compressor ClutchINFOID:0000000001328220
REMOVAL
Overhaul
1. When removing center bolt, hold clutch disc with a clutch disc wrench (SST).
2. Remove clutch disc using a clutch disc puller (SST).
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ATC-128
< SERVICE INFORMATION >
REFRIGERANT LINES
5. Using holder to prevent clutch disc rotation.After tightening bolt, make sure pulley rotates smoothly.
6. Check clearance around entire periphery of clutch disc. If specified clearance is not obtained, replace adjusting spacer
and readjust.
Break-in Operation
When replacing compressor clutch assembly, always carry out break-in operation. This is done by engaging
and disengaging clutch about thirty-times. Break-in oper ation raises the level of transmitted torque.
Removal and Installation of Low-Pressure Flexible HoseINFOID:0000000001328221
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove the air cleaner case and air duct. Refer to EM-17
(VQ35DE) or EM-173 (VK45DE).
3. Remove low-pressure flexible hose bracket mounting bolt.
4. Disconnect one-touch joint between low-pressure flexible hose and low-pressure pipe 1.
a. Set a disconnector (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 flexible hose and low-
pressure pipe 1 with suitable material such as vinyl tape to
avoid the entry of air. : 14 N·m (1.4 kg-m, 10 ft-lb)
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Disc to pulley clear-
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: 0.25 - 0.6 mm (0.010 - 0.024 in)
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REFRIGERANT LINESATC-129
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5. Remove mounting nut from low-pressure flexible hose.
6. Remove mounting nut, and then remove low-pressure pipe (VK45DE).
CAUTION:
Cap or wrap the joint of co mpressor and low-pressure flexi-
ble hose with suitable material such as vinyl tape to avoid
the entry of air.
7. Remove low-pressure flexible hose. CAUTION:
Cap or wrap the joint of compressor and low-pressure pipe 1 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 flexible hose and low-pressure pipe (VK45DE) 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.
Removal and Installation of High-pressure Flexible HoseINFOID:0000000001328222
REMOVAL
1. Use a refrigerant collecting equipment (f or HFC-134a) to discharge the refrigerant.
2. Remove air cleaner case and air duct. Refer to EM-17
(VQ35DE) or EM-173 (VK45DE).
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Low-pressure flexible ho se bracket mounting bolt
: 5.5 N·m (0.56 kg-m, 49 in-lb)
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ATC-130
< SERVICE INFORMATION >
REFRIGERANT LINES
3. Remove high-pressure flexible hose bracket mounting bolt.
4. Disconnect one-touch joint between high-pressure flexible hoseand condenser.
a. Set a disconnector (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 cond enser and high-pressure flexi-
ble hose with suitable material such as vinyl tape to avoid
the entry of air.
5. Remove mounting nut from high-pressure flexible hose (com- pressor side), and then remove high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of co mpressor and high-pressure flex-
ible hose 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 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 comp leted, 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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