Infiniti Q45. Manual - part 138

REFRIGERANT LINES

ATC-147

C

D

E

F

G

H

I

K

L

M

A

B

ATC

*1

ATC-23, "LUBRICANT RETURN 
OPERATION"

*2

ATC-161, "Checking for Refrigerant 
Leaks"

*3

ATC-163, "CHECKING PROCE-
DURE"

*4

ATC-95, "PERFORMANCE TEST 
DIAGNOSIS"

*5

ATC-6, "CONTAMINATED REFRIG-
ERANT"

SJIA1275E

ATC-148

REFRIGERANT LINES

Components

NJS0009I

Refer to 

ATC-6, "Precautions for Refrigerant Connection"

 .

SJIA1358E

REFRIGERANT LINES

ATC-149

C

D

E

F

G

H

I

K

L

M

A

B

ATC

Removal and Installation of Compressor

NJS0009J

REMOVAL

1.

Remove engine cover and air cleaner cover, using power tools. Refer to 

EM-13, "ENGINE ROOM

COVER"

 .

2.

Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. 

3.

Remove engine under cover, using power tools.

4.

Remove air cleaner assembly, air duct and air inlet pipe. Refer
to 

EM-17, "AIR CLEANER AND AIR DUCT"

 .

5.

Remove compressor-alternator belt. Refer to 

EM-14, "DRIVE

BELTS"

 .

6.

Remove mounting nuts from both high-pressure flexible hose
and low-pressure flexible hose.

CAUTION:

Cap or wrap the joint of the pipe with a suitable material
such as vinyl tape to avoid the entry of air.

7.

Disconnect compressor connectors (magnet clutch and ECV).

8.

Remove mounting bolt from radiator pipe bracket.

9.

Remove low-pressure flexible hose and low-pressure pipe.
Refer to 

ATC-153, "Removal and Installation of Low-Pressure

Flexible Hose and Pipe"

 .

10. Remove high-pressure flexible hose. Refer to 

ATC-154,

"Removal and Installation of High-Pressure Flexible Hose"

 .

CAUTION:

Cap or wrap the joint of the pipe with a suitable material such as vinyl tape to avoid the entry of air.

11. Remove high-pressure pipe mounting clips.

12. Remove mounting bolts from compressor, using power tools.

13. Move radiator hose rightward of the vehicle.
14. Remove compressor upward of the vehicle.

RJIA3088E

RJIA0327E

RJIA0133E

ATC-150

REFRIGERANT LINES

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

NJS0009K

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).

RHA136EB

RHA399F

SJIA1277E