Lexus NX: Cooler Expansion Valve

Components

COMPONENTS

ILLUSTRATION

*1

AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY

*2

COOLER EXPANSION VALVE

*3

O-RING

-

-

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

Compressor oil ND-OIL 11 or equivalent

-

-

Removal

REMOVAL

PROCEDURE

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

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2. DISCONNECT AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY

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3. REMOVE COOLER EXPANSION VALVE

(a) Using a 4 mm hexagon wrench, remove the 2 hexagon bolts.

(b) Temporarily install the 6 mm bolt halfway to the cooler expansion valve.

*a

6 mm Bolt

(c) Hold the bolt and pull it to remove the cooler expansion valve as shown in the illustration.

(d) Remove the 2 O-rings.

Installation

INSTALLATION

PROCEDURE

1. INSTALL COOLER EXPANSION VALVE

(a) Apply sufficient compressor oil to 2 new O-rings and the fitting surfaces of the cooler expansion valve.

Compressor Oil:

ND-OIL 11 or equivalent

(b) Install 2 new O-rings.

NOTICE:

Keep the O-rings and O-ring fitting surfaces free of foreign matter.

(c) Temporarily install the cooler expansion valve.

(d) Using a 4 mm hexagon wrench, install the cooler expansion valve with the 2 hexagon bolts.

Torque:

3.5 N·m {36 kgf·cm, 31 in·lbf}

2. CONNECT AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY

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3. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT

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4. WARM UP COMPRESSOR

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5. INSPECT FOR REFRIGERANT LEAK

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