Infiniti M35/M45 Y50. Manual - part 153

 

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Infiniti M35/M45 Y50. Manual - part 153

 

 

REFRIGERANT LINES

ATC-163

C

D

E

F

G

H

I

K

L

M

A

B

ATC

Removal and Installation of Liquid Tank

NJS000HT

DISASSEMBLY AND ASSEMBLY

REMOVAL

1.

Remove condenser. Refer to 

ATC-164, "Removal and Installation of Condenser"

 .

2.

Clean liquid tank and its surrounding area, and remove dust and rust from liquid tank.

CAUTION:

Be sure to clean carefully.

3.

Remove mounting bolts from liquid tank.

4.

Lift liquid tank bracket upward. Remove liquid tank bracket from
protruding part of condenser.

5.

Slide liquid tank upward, and then remove liquid tank.

1.

Condenser

2.

Liquid tank bracket

3.

Refrigerant pressure sensor

4.

Liquid tank

5.

Bracket (liquid tank side)

6.

Bracket (condenser side)

7.

O-ring

8.

Inside pipe

9.

Outside pipe

: N·m (kg-m, in-lb)

: Always replace after every disassembly.

PJIA0164E

SJIA1792E

RJIA1440E

ATC-164

REFRIGERANT LINES

INSTALLATION

 Install liquid tank, and then install liquid tank bracket on condenser. 

CAUTION:

Make sure liquid tank bracket is securely installed at protru-
sion of condenser. (Make sure liquid tank bracket does not
move to a position below center of liquid tank.)

Replace O-rings of liquid tank pipe (inside pipe and outside
pipe) with new ones, and then apply compressor oil to it
when installing it.

When recharging refrigerant, check for leaks.

Removal and Installation of Condenser

NJS000HU

REMOVAL

1.

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

2.

Remove engine cover. Refer to 

EM-15, "ENGINE ROOM COVER"

    (VQ35DE)  or 

EM-173, "ENGINE

ROOM COVER"

  (VK45DE).

3.

Remove air cleaner case, air hose and air duct. Refer to 

EM-19, "AIR CLEANER AND AIR DUCT"

(VQ35DE) or 

EM-177, "AIR CLEANER AND AIR DUCT"

  (VK45DE).

4.

Remove front grille. Refer to 

EI-16, "FRONT GRILLE"

 .

5.

Remove radiator fan shroud with cooling fan (VK45DE). Refer to 

CO-51, "COOLING FAN"

 .

6.

Remove mounting clips and bolts, and then remove bracket.

7.

Remove radiator upper mount, move radiator and condenser to
the engine side.

8.

Remove mounting bolt from high-pressure flexible hose bracket.

9.

Remove high-pressure pipe1 from vehicle clip.

10. Disconnect high-pressure flexible hose from condenser.

a.

Set a disconnector (SST: 9253089912) on A/C piping.

b.

Slide a disconnector backward until it clicks.

c.

Slide A/C piping backward and disconnect it.

CAUTION:

Cap or wrap the joint of condenser and high-pressure flexi-
ble hose with suitable material such as vinyl tape to avoid
the entry of air.

RJIA1441E

RJIA4173E

RJIA4174E

RJIA4164E

REFRIGERANT LINES

ATC-165

C

D

E

F

G

H

I

K

L

M

A

B

ATC

11. Disconnect high-pressure pipe 1 from condenser.

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 condenser and high-pressure pipe
1 with suitable material such as vinyl tape to avoid the entry
of air.

12. Disconnect refrigerant pressure sensor connector.

13. Disconnect hood rock switch connector.

14. Remove radiator reservoir tank. Refer to 

CO-14, "RADIATOR"

(VQ35DE) or 

CO-43, "RADIATOR"

  (VK45DE).

15. Remove mounting screws from condenser.

16. Pull condenser forward at an angle. Remove condenser from

radiator.

CAUTION:

Be careful not to damage the core surface of condenser and
radiator.

RJIA4175E

RJIA4176E

RJIA4177E

RJIA4178E

RJIA4179E

ATC-166

REFRIGERANT LINES

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

Replace O-rings of high-pressure pipe 1 and 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 completed, 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 Refrigerant Pressure Sensor

NJS000HV

REMOVAL

1.

Remove liquid tank. Refer to 

ATC-163, "Removal and Installation of Liquid Tank"

 .

2.

Using a vice, secure liquid tank, and remove refrigerant pres-
sure sensor.

CAUTION:

Be careful not to damage liquid tank.

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

Apply compressor oil to O-ring of refrigerant pressure sensor when installing it.

When recharging refrigerant, check for leaks.

RJIA2148E

 

 

 

 

 

 

 

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