INFINITI FX35 2005 Service Manual

ATC-144
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Revision: 2005 July 2005 FX
Removal and Installation of Compressor ClutchAJS001C8
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).
3. Remove snap ring using external snap ring pliers.
RHA136EB
RHA399F
SJIA1277E
RHA138E

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4. Position center pulley puller on the end of drive shaft, and
remove pulley assembly using any commercially available pul-
ley puller.
To prevent pulley groove from being deformed, puller claws
should be positioned into edge of the pulley assembly.
5. Remove field coil harness clip using a pair of pliers.
6. Remove snap ring using external snap ring pliers.
Inspection
Clutch disc
If the contact surface shows signs of damage due to excessive heat,
replace clutch disc and pulley.
Pulley
Check appearance of pulley assembly. If contact surface of pulley
shows signs of excessive grooving, replace clutch disc and pulley.
Contact surfaces of pulley assembly should be cleaned with a suit-
able solvent before reinstallation.
Coil
Check coil for loose connection or cracked insulation.
RHA139E
RHA125F
RHA145E
RHA126F

ATC-146
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Revision: 2005 July 2005 FX
INSTALLATION
1. Install field coil.
Be sure to align coil’s pin with hole in compressor’s front head.
2. Install field coil harness clip using a screwdriver.
3. Install pulley assembly using pulley installer (SST) and a hand press, and then install snap ring using snap ring pliers.
4. Install clutch disc on drive shaft, together with original shim(s). Press clutch disc down by hand.
5. Using holder to prevent clutch disc rotation. After tightening bolt, make sure pulley rotates smoothly.
RHA142E
RHA143EA
RHA127F
Tightening torque : 14 N·m (1.4 kg-m, 10 ft-lb)
RHA086E

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Revision: 2005 July 2005 FX
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 the clutch about thirty-times. Break-in operation raises the level of transmitted torque. Disc to pulley clear-
ance : 0.25 - 0.6 mm (0.010 - 0.024 in)
RJIA0965E

ATC-148
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Revision: 2005 July 2005 FX
Removal and Installation of Low-Pressure Flexible HoseAJS001BG
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, "
AIR CLEANER AND AIR DUCT" (VQ35DE)
or EM-176, "
AIR CLEANER AND AIR DUCT" (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 the pipe with suitable material such
as vinyl tape to avoid the entry of air.
5. Remove mounting nut from low-pressure flexible hose.
6. Remove low-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.
7. Remove mounting nut, and then remove low-pressure pipe (VK45DE).
RJIA2062E
RJIA2069E
RJIA2064E
RJIA2063E

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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.

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.
Removal and Installation of High-Pressure Flexible HoseAJS0015U
REMOVAL
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-176, "
AIR CLEANER AND AIR DUCT" (VK45DE).
3. Remove mounting bolt from high-pressure flexible hose bracket.
4. Disconnect one-touch joint between high-pressure flexible hose and 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 the pipe 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 the pipe with suitable material such
as vinyl tape to avoid the entry of air. Low-pressure flexible hose bracket mounting bolt
Tightening torque : 5.5 N·m (0.56 kg-m, 49 in-lb)
RJIA2065E
RJIA2066E
SJIA0943E

ATC-150
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Revision: 2005 July 2005 FX
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.

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.
Removal and Installation of Low-Pressure Pipe 1 (Engine Compartment)AJS0015V
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove cowl top cover. Refer to EI-23, "
COWL TOP" .
3. Remove mounting bolt from low-pressure pipe 1 bracket and low-pressure flexible hose bracket.
4. Disconnect one-touch joints.
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.
RJIA2067E
High-pressure flexible hose bracket mounting bolt
Tightening torque : 5.5 N·m (0.56 kg-m, 49 in-lb)
RJIA2068E
RJIA2069E

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5. Remove low-pressure pipe 1.
CAUTION:
Cap or wrap the joint of the pipe 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 pipe 1 with new ones, and 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.
Removal and Installation of High-Pressure Pipe 1 and 2 (Engine Compartment)AJS001BH
REMOVAL
1. Remove low-pressure pipe 1. Refer to ATC-150, "Removal and Installation of Low-Pressure Pipe 1
(Engine Compartment)" .
2. Remove high-pressure flexible hose and low-pressure flexible hose. Refer to ATC-149, "
Removal and
Installation of High-Pressure Flexible Hose" and ATC-148, "Removal and Installation of Low-Pressure
Flexible Hose" .
3. Remove high-pressure pipe 1 and 2 from clips.
4. Disconnect one-touch joint between condenser and high-pres- sure pipe 1.
a. Set a disconnector (SST: 9253089908) 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.
RJIA2037E
Low-pressure pipe 1 bracket and low-pressure flexible hose bracket mounting bolts
Tightening torque : 5.5 N·m (0.56 kg-m, 49 in-lb)
RJIA2070E
RJIA2071E

ATC-152
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Revision: 2005 July 2005 FX
5. Disconnect one-touch joint between high-pressure pipe 1 and 2.
a. Set a disconnector (SST: 9253089908) on A/C piping.
b. Slide a disconnector toward vehicle rear until it clicks.
c. Slide A/C piping toward vehicle rear 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.
6. Remove high-pressure pipe 1.
7. Disconnect one-touch joint between high-pressure pipe 2 and 3.
a. Set a disconnector (SST: 9253089908) 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.
8. Remove high-pressure pipe 2. CAUTION:
Cap or wrap the joint of the pipe 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 pipe with new ones, and 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.
Removal and Installation of Low-Pressure Pipe 2 and High-Pressure Pipe 3AJS001BI
REMOVAL
1. Set the temperature (passenger side) at 18 °C (60 °F), and then disconnect the battery cable from the neg-
ative terminal.
2. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
3. Remove cowl top cover. Refer to EI-23, "
COWL TOP" .
4. Remove mounting bolts from low-pressure pipe 1 bracket and low-pressure flexible hose bracket.
RJIA2072E
RJIA2073E
RJIA2068E

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5. Remove high-pressure pipe 1 from vehicle clips.
6. Disconnect one-touch joints.
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 the pipe with suitable material such
as vinyl tape to avoid the entry of air.
7. Remove blower unit. Refer to ATC-121, "
BLOWER UNIT" .
8. Remove air mix door motor (passenger side), mode door motor and evaporator cover.
9. Remove mounting bolt, and then remove low-pressure pipe 2 and high-pressure pipe 3.
CAUTION:
Cap or wrap the joint of the pipe 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 A/C piping with new ones, and 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.
RJIA2070E
RJIA2037E
RJIA0940E
RJIA2038E