Nissan Altima HL32 Hybrid. Manual - part 494

HA-38

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REFRIGERANT PRESSURE SENSOR

REFRIGERANT PRESSURE SENSOR

Removal and Installation for Refrigerant Pressure Sensor

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-28, "HFC-134a (R-134a) Service Procedure"

.

2. Remove the front grille. Refer to 

EXT-16, "Removal and Installation"

.

3. Disconnect the refrigerant pressure sensor connector and

remove the refrigerant pressure sensor (1) from the liquid tank

on the radiator, condenser and liquid tank assembly.

CAUTION:

Do not damage the radiator, condenser and liquid tank

assembly fins.

INSTALLATION

Installation is in the reverse order of removal.

Refer to 

HA-27, "Component"

.

CAUTION:

Replace the O-ring of the refrigerant pressure sensor with a new one, then apply electric compressor

oil to it when installing it.

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EXPANSION VALVE

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EXPANSION VALVE

Removal and Installation for Expansion Valve

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The expansion valve is part of the evaporator assembly. Refer to 

VTL-21, "Removal and Installation"

.

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HEATER PUMP

HEATER PUMP

Removal and Installation

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COMPONENTS

CAUTION:

• When removing and installing the heater hoses on the heater pump, grip the heater pump directly,

do NOT grip the bracket, to avoid breaking the heater pump housing.

• Never run the heater pump without coolant in the engine cooling system.

REMOVAL

1. Remove the engine cover.
2. Remove the air cleaner ducts and assembly. Refer to 

EM-24, "Removal and Installation"

.

3. Partially drain the engine coolant system. Refer to 

CO-11, "Changing Engine Coolant"

.

4. Disconnect the heater hoses from the heater pump.
5. Disconnect the heater pump connector.
6. Remove the heater pump.

INSTALLATION

Installation is in the reverse order of removal.

• Refill the engine cooling system. Refer to 

CO-11, "Changing Engine Coolant"

.

1.

Heater hose clamp

2.

Heater hose

3.

Heater pump

4.

Heater pump bracket

5.

Heater and cooling unit assembly

⇐

Front

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SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Service Data and Specification (SDS)

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ELECTRIC COMPRESSOR

OIL

REFRIGERANT

Model

DENSO

Type

ES-27C

Displacement

27 cm

3

 (1.65 in

3

) / revolution

Electric compressor type

Scroll type

Operational high voltage range

DC 198 - 420 V

Motor type

DC brushless motor

Name

Electric Compressor Oil ND-OIL 11

Capacity

Total in system

120 m  (4.1 US fl oz, 4.2 lmp fl oz)

Electric compressor (service part) charging 
amount

Refer to 

HA-18, "Maintenance of Electric Compressor Oil 

Quantity in Electric Compressor"

.

Type

HFC-134a (R-134a)

Capacity

0.50 

± 0.025 kg (1.10 ± 0.055 lb)