Nissan Juke (2012 year). Service Repair Manual - part 138

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.

Remove mounting bolt (A) of low-pressure flexible hose front side (1) and mounting nut (B) of low-pres-
sure flexible hose rear side (2).

Remove ground wire mounting bolt (A), and then move ground
wire (1) to secure work space.

Remove mounting bolt (A), and then disconnect low-pressure
flexible hose.

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.

Remove low-pressure flexible hose from the vehicle.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to

HIGH-PRESSURE PIPE

: Vehicle front

JMIIA0974ZZ

: Vehicle front

JMIIA0972ZZ

: Vehicle front

JMIIA0977ZZ

: Vehicle front

JMIIA0971ZZ

Revision: 2011 October

2012 JUKE

HA-34

< REMOVAL AND INSTALLATION >

COOLER PIPE AND HOSE

HIGH-PRESSURE PIPE : Removal and Installation

INFOID:0000000007580115

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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

HA-32, "LOW-PRESSURE FLEXIBLE HOSE : Removal and

Remove low-pressure flexible hose. Refer to

Remove mounting bolt (A), and then disconnect high-pressure
pipe (1).

CAUTION:

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

Remove high-pressure pipe (1) fixing clips (B), and then remove
high-pressure pipe from the vehicle.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to

: Vehicle front

JMIIA0975ZZ

: Vehicle front

JMIIA0976ZZ

Revision: 2011 October

2012 JUKE

CONDENSER

HA-35

< REMOVAL AND INSTALLATION >

CONDENSER

Exploded View

INFOID:0000000007580116

CONDENSER

CONDENSER : Removal and Installation

INFOID:0000000007580117

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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

EXT-12, "Removal and Installation"

Remove bumper fascia. Refer to

Remove air guide LH. Refer to

DLK-123, "Exploded View"

Disconnect refrigerant pressure sensor harness connector.

Condenser

Condenser lower bracket RH

Condenser lower bracket LH

O-ring

Liquid tank braket

Liquid tank

Braket

O-ring

Refrigerant pressure sensor

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

: N·m (kg-m, ft-lb)

: Indicates that the part is connected at points with same symbol in actual vehicle.

JMIIA0946GB

Revision: 2011 October

2012 JUKE

HA-36

< REMOVAL AND INSTALLATION >

CONDENSER

Remove mounting bolt (A), and then disconnect high-pressure
pipe (1).

CAUTION:

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

Remove mounting bolt (A), and then disconnect high-pressure
flexible hose.

CAUTION:

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

Remove mounting bolts, and then remove condenser from the vehicle.

CAUTION:

Be careful not to damage core surface of condenser.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Perform lubricant adjusting procedure before installing new condenser. Refer to

HA-21, "Lubricant

Adjusting Procedure for Compressor Replacement"

• Check for leakages when recharging refrigerant. Refer to

LIQUID TANK

LIQUID TANK : Removal and Installation

INFOID:0000000007580118

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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

EXT-12, "Removal and Installation"

Remove bumper fascia. Refer to

Remove air guide LH. Refer to

DLK-123, "Exploded View"

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

CAUTION:

Be sure to clean carefully.

Diconnect refrigerant pressure sensor harness connector.

Remove mounting bolts, and then remove liquid tank from condenser.

CAUTION:

• Be careful not to damage core surface of condenser and liquid tank.
• Cap or wrap the joint of the A/C piping and liquid tank with suitable material such as vinyl tape to

avoid the entry of air.

INSTALLATION

: Vehicle front

JMIIA0975ZZ

: Vehicle front

JMIIA0949ZZ

Revision: 2011 October

2012 JUKE

CONDENSER

HA-37

< REMOVAL AND INSTALLATION >

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings of the A/C piping with new ones. Then apply compressor oil to them when installing.
• Perform lubricant adjusting procedure before installing new liquid tank. Refer to

HA-21, "Lubricant

Adjusting Procedure for Compressor Replacement"

• Check for leakages when recharging refrigerant. Refer to

REFRIGERANT PRESSURE SENSOR

REFRIGERANT PRESSURE SENSOR : Removal and Installation

INFOID:0000000007580119

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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

EXT-12, "Removal and Installation"

Remove front bumper fascia. Refer to

Clean refrigerant pressure sensor and its surrounding area, and then remove dust and rust from refriger-
ant pressure sensor.

CAUTION:

Be sure to clean carefully.

Remove liquid tank. Refer to

HA-36, "LIQUID TANK : Removal and Installation"

CAUTION:

• Be careful not to damage liquid tank.
• Cap or wrap the joint of the condenser and liquid tank with suitable material such as vinyl tape to

avoid the entry of air.

Fix the liquid tank (1) using a vise (A).

Remove refrigerant pressure sensor (2) using a wrench (B).

CAUTION:

Be careful not to damage liquid tank.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-ring with new one. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to

JSIIA0075ZZ

Revision: 2011 October

2012 JUKE

HA-38

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

A/C UNIT ASSEMBLY

Exploded View (Automatic Air Conditioning)

INFOID:0000000007580120

REMOVAL

DISASSEMBLY

A/C unit assembly

Drain hose

Steering member

Instrument stay

: Clip

: N·m (kg-m, ft-lb)

JMIIA0943GB

Revision: 2011 October

2012 JUKE

A/C UNIT ASSEMBLY

HA-39

< REMOVAL AND INSTALLATION >

Ventilator seal

Defroster seal

Upper attachment case

Sub defroster door

Center ventilator and defroster door

Side ventilator seal LH

Lower attachment case

Side ventilator seal RH

Sub harness

10. Power transistor

11.

Upper intake case

12. Intake door

13. Lower intake case

14.

Blower case LH

15. Blower case RH

16. Blower motor

17.

Intake seal

18. A/C unit case RH

19. In-cabin microfilter

20.

Filter cover

21. Case packing

22. Intake sensor

23.

Evaporator

24. Plate

25. Expansion valve grommet

26.

O-ring

27. Expansion valve

28. Evaporator cover

29.

Heater hose

30. Clamp

31. Heater pipe grommet

32.

Heater pipe support

33. Heater core

34. A/C unit case LH

35.

Aspirator duct

36. Aspirator

37. Foot door

38.

Foot door rod

39. Side ventilator door

40. Air mix door guide

41.

Upper air mix door

42. Lower air mix door

To water outlet

JMIIA0982GB

Revision: 2011 October

2012 JUKE

HA-40

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

Exploded View (Manual Air Conditioning)

INFOID:0000000007580121

REMOVAL

DISASSEMBLY

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

A/C unit assembly

Drain hose

Steering member

Instrument stay

: Clip

: N·m (kg-m, ft-lb)

JMIIA0943GB

Revision: 2011 October

2012 JUKE

A/C UNIT ASSEMBLY

HA-41

< REMOVAL AND INSTALLATION >

Ventilator seal

Defroster seal

Upper attachment case

Center ventilator door

Defroster door

Side ventilator seal LH

Lower attachment case

Side ventilator seal RH

Sub harness

10. Blower fan resistor

11.

Upper Intake case

12. Intake door

13. Sub intake door

14.

Lower intake case

15. Blower case LH

16. Blower case RH

17.

Blower motor

18. Intake seal

19. A/C unit case RH

20.

In-cabin microfilter

21. Filter cover

22. Case packing

23.

Thermo control amp.

24. Evaporator

25. Plate

26.

Expansion valve grommet

27. O-ring

28. Expansion valve

29.

Evaporator cover

30. Heater hose

31. Clamp

32.

Heater pipe grommet

33. Heater pipe support

34. Heater core

35.

A/C unit case LH

36. Foot door

37. Foot door rod

38.

Side ventilator door

39. Air mix door guide

40. Upper air mix door

41.

Lower air mix door

To water outlet

JMIIA1212GB

Revision: 2011 October

2012 JUKE

HA-42

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

A/C UNIT ASSEMBLY

A/C UNIT ASSEMBLY : Removal and Installation

INFOID:0000000007580122

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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

EXT-20, "Removal and Installation"

Drain engine coolant from cooling system. Refer to

CO-8, "Draining"

Remove cowl top and cowl top extension. Refer to

Remove mounting nut, and then move lower dash insulator
aside.

Remove mounting bolt (A), and then disconnect low-pressure
flexible hose (1) and high-pressure pipe (2) from expansion
valve. Refer to

HA-45, "EXPANSION VALVE : Removal and

IP-12, "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.

Remove fixing clamps (1), and then disconnect heater hoses (2)

Remove instrument panel assembly. Refer to

Remove side ventirator duct LH and RH. Refer to

VTL-10, "SIDE VENTILATOR DUCT : Removal and

VTL-10, "REAR HEATER DUCT 1 : Removal and Instal-

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

: Nut

: Vehicle front

JMIIA0973ZZ

: Vehicle front

JMIIA0974ZZ

: Vehicle front

JMIIA0986ZZ

Revision: 2011 October

2012 JUKE

A/C UNIT ASSEMBLY

HA-43

< REMOVAL AND INSTALLATION >

Remove mounting bolts (A) of ground wire LH side and mounting bolt (B) of ground wire RH side.

10. Remove rear heater duct 1 LH and RH. Refer to

lation"

. (for Canada models only)

11. Disconnect drain hose (1) from A/C unit assembly.

12. Remove mounting nuts (A), and then remove instrument stay.

13. Remove fixing screws (A), and then remove junction box (J/B).

JMIIA0989ZZ

: Vehicle front

JMIIA0987ZZ

: Vehicle front

JMIIA0988ZZ

JMIIA0886ZZ

Revision: 2011 October

2012 JUKE

HA-44

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

14. Remove fixing screws (A), and then remove BCM.

15. Remove all of harness connectors and mounting nuts necessary to allow steering column assembly to be

moved. Refer to

ST-9, "Removal and Installation"

16. Move steering column assembly to secure work space.

17. Remove all of harness connectors and clips necessary to allow steering member to be removed. Move

main harness aside and secure work space so that steering member can be easily removed.

18. Remove mounting bolts (A) and (B), and then remove steering member (1) from the vehicle.

CAUTION:

When removing steering member, 2 workers are required to prevent it from dropping.

19. Remove A/C unit assembly from vehicle.

CAUTION:

When removing A/C unit assembly, 2 workers are required to prevent it from dropping.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to

HA-42, "A/C UNIT ASSEMBLY : Removal and Installation"

NOTE:
Refer to

CO-9, "Refilling"

when filling radiator with engine coolant.

EVAPORATOR

JMIIA0885ZZ

JMIIA0990ZZ

Revision: 2011 October

2012 JUKE

A/C UNIT ASSEMBLY

HA-45

< REMOVAL AND INSTALLATION >

EVAPORATOR : Removal and Installation

INFOID:0000000007580123

REMOVAL

Remove A/C unit assembly. Refer to

Disassemble A/C unit assembly, and then remove evaporator.

Remove intake sensor from evaporator. (Automatic air conditioning)

Remove thermo control amp. from evaporator. (Manual air conditioning)

Remove mounting bolts, and then remove expansion valve.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• When install the intake sensor (Automatic air conditioning) or the thermo control amp. (Manual air

conditioning), set the same position before replacement.

• Never rotate the bracket insertion part when removing and installing the intake sensor (automatic air

conditioning) or the thermo control amp. (manual air conditioning).

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

HA-20, "Lubricant

Adjusting Procedure for Components Replacement Except Compressor"

HEATER CORE

HEATER CORE : Removal and Installation

INFOID:0000000007580124

REMOVAL

Remove A/C unit assembly. Refer to

HA-42, "A/C UNIT ASSEMBLY : Removal and Installation"

Remove heater pipe grommet and heater pipe support from A/C unit assembly.

Remove foot duct LH. Refer to

VTL-12, "FOOT DUCT : Removal and Installation"

Slide heater core to leftward, and then remove heater core from A/C unit assembly.

INSTALLATION

Note the following item, and then install in the reverse order of removal.
NOTE:
Refer to

CO-9, "Refilling"

when filling radiator with engine coolant.

EXPANSION VALVE

EXPANSION VALVE : Removal and Installation

INFOID:0000000007580125

CAUTION:

Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to

REMOVAL

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