Nissan Quest E52. Manual - part 714

A/C UNIT ASSEMBLY

HA-47

< REMOVAL AND INSTALLATION >

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A/C UNIT ASSEMBLY

Exploded View

INFOID:0000000009651592

REMOVAL

DISASSEMBLY

1.

Steering member

2.

Knee protector

3.

Instrument stay LH

4.

Instrument stay RH

5.

Drain hose

6.

Blower unit assembly

7.

Heater & cooling unit assembly

: N·m (kg-m, in-lb)

: N·m (kg-m, ft-lb)

JSIIA1814GB

HA-48

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

1.

Adapter duct rear

2.

Adapter duct center

3.

Adapter duct front

4.

Ventilator duct packing

5.

Defroster duct packing

6.

Foot duct RH

7.

Filter cover

8.

In-cabin microfilter

9.

Heater & cooling unit case cover

10. Case packing 2

11.

Heater & cooling unit case RH

12. Intake sensor

13. Insulator 1

14.

Evaporator

15. Insulator 3

16. Insulator 2

17.

O-ring

18. Evaporator pipe assembly

19. Cooler grommet

20.

Expansion valve

21. Heater pipe grommet

22. Heater pipe support

23.

Heater core

24. Heater pipe cover

25. Heater & cooling unit case LH

26.

Case packing 1

27. Air mix door (Slide door unit)*

1

28. Center case

29.

Foot duct LH

30. Aspirator

31. Aspirator duct

32.

Adapter case

33. Max. cool door

34. Foot door

35.

Distributor case lower

36. Defroster door

37. Ventilator door

38.

Distributor case upper

39. Defroster packing

40. Ventilator packing

41.

Air mix door (Slide door unit)*

2

: Pawl

JMIIA1840GB

A/C UNIT ASSEMBLY

HA-49

< REMOVAL AND INSTALLATION >

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*

1

: Automatic air conditioning

*

2

: Manual air conditioning

HEATER & COOLING UNIT ASSEMBLY

HEATER & COOLING UNIT ASSEMBLY : Removal and Installation

INFOID:0000000009651593

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-

22, "Perform Lubricant Return Operation"

.

REMOVAL

1.

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

HA-20, "Recy-

cle Refrigerant"

.

2.

Drain engine coolant from cooling system. Refer to 

CO-8, "Draining"

.

3.

Remove cowl top extension. Refer to 

EXT-22, "Removal and Installation"

.

4.

Remove electric throttle control actuator. Refer to 

EM-29, "Removal and Installation"

.

5.

Remove fixing clamps (A), and then disconnect heater hose
from heater & cooling unit assembly.

6.

Remove mounting bolt (A), and then disconnect front cooler
pipe assembly (2) from expansion valve (1).

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.

7.

Remove instrument panel assembly. Refer to 

IP-14, "Removal and Installation"

.

8.

Remove mounting bolts (A), and then remove knee protector. 

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

JMIIA1815ZZ

JMIIA1819ZZ

JMIIA1823ZZ

HA-50

< REMOVAL AND INSTALLATION >

A/C UNIT ASSEMBLY

9.

Remove mounting bolts and nuts, and then move steering column aside. Refer to 

ST-13, "Exploded

View"

.

10. Remove fixing screws (A), and then remove F/B.

11. Remove mounting bolt (A), and then remove circuit breakers

bracket (1).

12. Remove mounting bolt (B), and then remove circuit breaker and

relay  bracket (2).

13. Disconnect junction harness connectors. (Driver side)

14. Remove mounting bolt (A), and then remove automatic drive

positioner control unit.

JMIIA1824ZZ

JMIIA1825ZZ

JMIIA1826ZZ

JMIIA1827ZZ