Infiniti FX35, FX50 (S51). Manual — part 1147

COOLER PIPE AND HOSE

HA-101

< REMOVAL AND INSTALLATION >

[VK50VE]

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

5.

Remove mounting nut (A), and then remove low-pressure pipe 3
(1).

CAUTION:

Cap or wrap the joint of the A/C piping and compressor 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 with new ones. Then apply compressor oil to them when installing.
• 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.

• Check for leakages when recharging refrigerant.

LOW-PRESSURE PIPE 1 AND HIGH-PRESSURE PIPE 2

LOW-PRESSURE PIPE 1 AND HIGH-PRESSURE PIPE 2 : Removal and Installation

INFOID:0000000005249969

REMOVAL

1.

Set the temperature at 18.0

°

C (60

°

F).

2.

Disconnect the battery cable from the negative terminal.

3.

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

4.

Remove cowl top cover. Refer to

EXT-22, "Exploded View"

.

5.

Disconnect one-touch joint between low-pressure pipe 1 (1) and
low-pressure pipe 2 (2) with disconnector (SST: 9253089916)
(A).

CAUTION:

Cap or wrap the joint of the A/C piping with suitable mate-
rial such as vinyl tape to avoid the entry of air.

6.

Disconnect one-touch joints between high-pressure pipe 1 (4)
and high-pressure pipe 2 (3) with disconnector (SST:
9253089908).

CAUTION:

Cap or wrap the joint of the A/C piping with suitable mate-
rial such as vinyl tape to avoid the entry of air.

7.

Remove blower unit. Refer to

HA-114, "Exploded View"

.

8.

Remove foot grille (right). Refer to

VTL-11, "Exploded View"

.

9.

Remove air mix door motor (passenger side). Refer to

HAC-187, "Exploded View"

.

10. Remove mode door motor. Refer to

HAC-187, "Exploded View"

.

JSIIA1267ZZ

JSIIA1269ZZ

HA-102

< REMOVAL AND INSTALLATION >

[VK50VE]

COOLER PIPE AND HOSE

11. Remove mounting screws (A), and then remove mode door

motor bracket (1).

12. Remove main link (2). Refer to

HAC-187, "Exploded View"

.

13. Remove mounting screw (A), and then remove max. cool door

link (1). Refer to

HAC-187, "Exploded View"

.

14. Remove mounting screws (A), and then remove evaporator

cover (1).

15. Remove connector (A) from evaporator cover (1) (as shown in

the figure).

16. Remove mounting bolt (A), and then remove low-pressure pipe

1 (1) and high-pressure pipe 2 (2).

CAUTION:

Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.

JPIIA0694ZZ

JPIIA0695ZZ

JPIIA0696ZZ

JSIIA1270ZZ

JPIIA0697ZZ

COOLER PIPE AND HOSE

HA-103

< REMOVAL AND INSTALLATION >

[VK50VE]

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• 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.

• Check for leakages when recharging refrigerant.

HA-104

< REMOVAL AND INSTALLATION >

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CONDENSER

CONDENSER

Exploded View

INFOID:0000000005249970

CONDENSER

CONDENSER : Removal and Installation

INFOID:0000000005249971

REMOVAL

1.

Remove condenser pipe assembly. Refer to

HA-104, "Exploded View"

.

2.

Remove ambient sensor. Refer to

HAC-180, "Exploded View"

.

3.

Remove gas sensor (WITH ACCS). Refer to

HAC-185, "Exploded View"

.

4.

Remove harness clips (A).

5.

Remove mounting bolts (B) and nut (C), and then remove hood
lock stay assembly (1).

1.

Condenser upper bracket (left)

2.

Condenser upper bracket (right)

3.

Refrigerant pressure sensor

4.

O-ring

5.

Liquid tank

6.

Liquid tank bracket

7.

Bracket

8.

Condenser

9.

Condenser lower bracket (right)

10. Condenser lower bracket (left)

11.

Condenser pipe assembly

Refer to

GI-4, "Components"

for symbols in the figure.

JSIIA1373GB

JSIIA1271ZZ