Nissan Versa Note. Manual - part 490

HA-30

< REMOVAL AND INSTALLATION >

CONDENSER

• Apply compressor oil to new O-rings of the high-pressure flexible hose and high-pressure pipe for

installation.

• Perform oil adjusting procedure before installing new condenser. Refer to 

HA-21, "Oil Adjusting Pro-

cedure for Components Replacement Except Compressor"

.

• After charging refrigerant, check for leaks. Refer to 

HA-17, "Leak Test"

.

LIQUID TANK
LIQUID TANK : Removal and Installation of Liquid Tank

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The liquid tank is only serviced as part of the condenser. Refer to 

HA-29, "CONDENSER : Removal and Instal-

lation"

.

REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-19, "Recycle Refrigerant"

.

2. Remove front grille. Refer to 

EXT-29, "Removal and Installation"

.

3. Remove upper air guide and air guide (LH). Refer to 

DLK-139, "Exploded View"

.

4. Clean refrigerant pressure sensor and surrounding area.

CAUTION:

Make sure to clean carefully.

5. Disconnect the harness connector from the refrigerant pressure

sensor.

6. Support liquid tank, then remove refrigerant pressure sensor (1).

CAUTION:

• Be careful not to damage liquid tank.

• Be careful not to damage core surface of condenser.

• Cap or wrap the joint of the condenser and liquid tank

with suitable material such as vinyl tape to avoid the entry

of air.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply compressor oil to new O-ring of the refrigerant pressure sensor for installation.

• After charging refrigerant, check for leaks. Refer to 

HA-17, "Leak Test"

.

ALIIA0004ZZ

HEATING AND COOLING UNIT ASSEMBLY

HA-31

< REMOVAL AND INSTALLATION >

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HEATING AND COOLING UNIT ASSEMBLY

Exploded View

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1.

Heating and cooling unit assembly

2.

Steering member

3.

Cap

4.

Bracket

Pawl

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HA-32

< REMOVAL AND INSTALLATION >

HEATING AND COOLING UNIT ASSEMBLY

HEATING AND COOLING UNIT ASSEMBLY
HEATING AND COOLING UNIT ASSEMBLY : Removal and Installation

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REMOVAL

1. Discharge the refrigerant (if equipped). Refer to 

HA-19, "Recycle Refrigerant"

.

2. Drain engine coolant. Refer to 

CO-8, "Draining Engine Coolant"

.

3. Disconnect low-pressure flexible hose from expansion valve (if equipped). Refer to 

HA-27, "LOW-PRES-

SURE FLEXIBLE HOSE : Removal and Installation"

.

CAUTION:

Cap or wrap the joint of the A/C hose and expansion valve with suitable material such as vinyl tape

to avoid the entry of air.

4. Disconnect high-pressure pipe from expansion valve (if equipped). Refer to 

HA-28, "HIGH-PRESSURE

PIPE : Removal and Installation"

.

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.

5. Disconnect heater hoses from heater core.
6. Remove instrument panel assembly. Refer to 

IP-15, "Removal and Installation"

.

7. Disconnect evaporator drain hose (if equipped) from heating and cooling unit assembly.

1.

Intake case

2.

Thermo control amp.

3.

Evaporator

4.

O-ring

5.

Expansion valve

6.

O-ring

7.

Grommet

8.

Heater pipe flange

9.

Heater core

10. Front blower motor

11. Heating and cooling unit assembly

12. Seal

13. Seal

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HEATING AND COOLING UNIT ASSEMBLY

HA-33

< REMOVAL AND INSTALLATION >

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8. Disconnect harness connectors, grounds, retainers, etc., and remove bolts required to remove steering

member.

9. Remove steering member and heating and cooling unit assembly.
10. Remove heating and cooling unit assembly from steering member. Refer to 

HA-31, "Exploded View"

.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply compressor oil to new O-rings of the low-pressure flexible hose and high-pressure pipe for

installation.

• After charging refrigerant, check for leaks. Refer to 

HA-17, "Leak Test"

.

NOTE:

When refilling engine coolant, refer to 

CO-9, "Refilling"

.

HEATER CORE
HEATER CORE : Removal and Installation

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REMOVAL

1. Remove the heating and cooling unit assembly. Refer to 

HA-32, "HEATING AND COOLING UNIT

ASSEMBLY : Removal and Installation"

.

2. Remove foot duct (LH). Refer to 

VTL-7, "FOOT DUCT : Removal and Installation"

.

3. Remove heater packing.
4. Remove heater pipe flange.
5. Remove heater core.

INSTALLATION

Installation is in the reverse order of removal.

NOTE:

When refilling engine coolant, refer to 

CO-9, "Refilling"

.

EVAPORATOR
EVAPORATOR : Removal and Installation

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REMOVAL

1. Remove heating and cooling unit assembly. Refer to 

HA-32, "HEATING AND COOLING UNIT ASSEM-

BLY : Removal and Installation"

.

2. Remove foot duct (RH). Refer to 

VTL-7, "FOOT DUCT : Removal and Installation"

.

3. Remove intake case. Refer to 

HA-31, "Exploded View"

. 

4. Remove expansion valve. Refer to 

HA-33, "EXPANSION VALVE : Removal and Installation"

.

5. Remove evaporator cover and evaporator assembly.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply compressor oil to new O-rings for installation.

• Perform oil adjusting procedure after installing new evaporator. Refer to 

HA-21, "Oil Adjusting Pro-

cedure for Components Replacement Except Compressor"

.

• After charging refrigerant, check for leaks. Refer to 

HA-17, "Leak Test"

.

EXPANSION VALVE
EXPANSION VALVE : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-19, "Recycle Refrigerant"

.