Infiniti FX35 / FX45. Manual - part 132

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 compressor, low-pressure flexible
hose and high-pressure flexible 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).

RJIA2244E

RJIA2059E

RJIA2058E

REFRIGERANT LINES

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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 Clutch

INFOID: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).

RJIA2061E

RJIA2060E

RHA136EB

RHA399F

ATC-126

< SERVICE INFORMATION >

REFRIGERANT LINES

3.

Remove snap ring using external snap ring pliers.

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 the edge of pulley assembly.

5.

Remove field coil harness clip using a pair of pliers.

6.

Remove snap ring using external snap ring pliers.

SJIA1277E

RHA138E

RHA139E

RHA125F

RHA145E

REFRIGERANT LINES

ATC-127

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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.

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.

RHA126F

RHA142E

RHA143EA

RHA127F