Nissan Qashqai J11. Manual - part 1090

HA-186

< REMOVAL AND INSTALLATION >

[TYPE 4]

A/C UNIT ASSEMBLY

17. Remove steering member mounting bolts (A) and A/C unit mounting bolts (B), and then remove steering

member from the vehicle.

CAUTION:

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

18. Remove A/C unit assembly.

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-64, "Leak Test"

.

NOTE:
• When installing drain hose (1), match the rib porsion (B) of A/C unit

(2) and mark (A) of drain hose.

• Refer to 

CO-94, "Refilling"

 (K9K engine models) or 

CO-119, "Refilling"

 (R9M engine models) when filling

radiator with engine coolant.

EVAPORATOR

JMIIA3362ZZ

JMIIA3408ZZ

A/C UNIT ASSEMBLY

HA-187

< REMOVAL AND INSTALLATION >

[TYPE 4]

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EVAPORATOR : Removal and Installation

INFOID:0000000010707904

REMOVAL

1.

Remove A/C unit assembly. Refer to 

HA-184, "A/C UNIT ASSEMBLY : Removal and Installation"

.

2.

Remove fixing screws (A) and disengage fixing pawls.

3.

Remove main case rear.

4.

Remove fixing screws (A), and then remove intake box assem-
bly.

5.

Remove fixing screws (A) and disengage fixing pawls.

6.

Separate heater & cooling unit case assembly.

7.

Remove evaporator assembly from A/C unit case.

8.

Remove mounting bolts, and then remove expansion valve from evaporator.

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 after installing new evaporator. Refer to 

HA-67, "Lubricant

Adjusting Procedure for Components Replacement Except Compressor"

.

HEATER CORE

HEATER CORE : Removal and Installation

INFOID:0000000010707905

REMOVAL

1.

Remove A/C unit assembly. Refer to 

HA-184, "A/C UNIT ASSEMBLY : Removal and Installation"

.

2.

Remove foot duct LH. Refer to 

VTL-14, "FOOT DUCT : Removal and Installation"

.

: Pawl

JMIIA3382ZZ

JMIIA3383ZZ

: Pawl

JMIIA3384ZZ

HA-188

< REMOVAL AND INSTALLATION >

[TYPE 4]

A/C UNIT ASSEMBLY

3.

Remove fixing screws (A), and then remove heater pipe cover.

4.

Remove heater pipe packing.

5.

Disengage fixing pawl, and then remove heater pipe clamp.

6.

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-94, "Refilling"

 (K9K engine models) or 

CO-119, "Refilling"

 (R9M engine models) when filling radi-

ator with engine coolant.

EXPANSION VALVE

EXPANSION VALVE : Removal and Installation

INFOID:0000000010707906

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 

HA-

67, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-65, "Recy-

cle Refrigerant"

.

2.

Remove mounting bolt, and then disconnect low-pressure pipe and high-pressure pipe 3 from expansion
valve.

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.

3.

Remove mounting bolts, and then remove expansion valve.

JMIIA3386ZZ

: Pawl

JMIIA3387ZZ

JMIIA3388ZZ

A/C UNIT ASSEMBLY

HA-189

< REMOVAL AND INSTALLATION >

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CAUTION:

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

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-64, "Leak Test"

.