Nissan Murano Z51. Manual - part 1482

HEATER & COOLING UNIT ASSEMBLY

VTL-99

< REMOVAL AND INSTALLATION >

[WITH 7 INCH DISPLAY]

C

D

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1.

Ventilator seal

2.

Upper ventilator seal

3.

Defroster seal

4.

Adapter case

5.

Center case

6.

Intake sensor bracket

7.

Intake sensor

8.

Upper ventilator door motor

9.

Upper ventilator door rod

10.

Upper ventilator door lever

11.

Filter cover

12. In-cabin microfilter/Air conditioner fil-

ter*

13.

Foot duct 1 (right)

14.

Foot duct 2 (right)

15. Air mix door motor (passenger side)

16.

Heater & cooling unit case cover

17.

Evaporator pipe assembly

18. O-ring

19.

Evaporator

20.

Expansion valve

21. Case packing

22.

Grommet

23.

Cooler pipe grommet

24. Drain hose

25.

Heater & cooling unit case (right)

26.

Air mix door (Slide door)

27. Heater pipe support

28.

Heater pipe grommet

29.

Heater & cooling unit case (left)

30. Heater core 

31.

Heater pipe cover

32.

Foot duct 2 (left)

33. Foot duct 1 (left)

34.

Heater duct

35.

Aspirator

36. Aspirator hose

37.

Mode door motor

38.

Main link

39. Rod link

40.

Max. cool door link

41.

Ventilator door link

42. Foot door link

43.

Mode door lever

44.

Defroster door link

45. Ventilator door lever

46.

Foot door lever

47.

Defroster door lever

48. Max. cool door lever

49.

Air mix door motor (driver side)

50.

Distributor upper case

51. Distributor lower case

52.

Ventilator door

53.

Foot door

54. Max. cool door

55.

Defroster door

56.

Upper ventilator door

JPIIA0454GB

VTL-100

< REMOVAL AND INSTALLATION >

[WITH 7 INCH DISPLAY]

HEATER & COOLING UNIT ASSEMBLY

Removal and Installation

INFOID:0000000005517207

REMOVAL

1.

Collect the refrigerant with refrigerant collecting equipment (for HFC134a).

2.

Drain engine coolant. Refer to 

CO-11, "Draining"

. 

3.

Remove the mounting bolt (A), and then disconnect the low-
pressure pipe (1) and high-pressure pipe (2) from the 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.

4.

Remove the clamps (A), and then disconnect the heater hoses
(1). 

CAUTION:

• Some coolant may spill when heater hoses are discon-

nected. Wipe them off with wastes. 

• Close the coolant inlet/outlet on the heater core and

heater hoses with wastes. 

5.

Remove the instrument panel assembly. Refer to 

IP-12, "Exploded View"

. 

6.

Remove the mounting nuts (A), and then remove the instrument
stay (1). 

*

: Models for Mexico.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPIIA0561ZZ

JPIIA0571ZZ

JPIIA0565ZZ

HEATER & COOLING UNIT ASSEMBLY

VTL-101

< REMOVAL AND INSTALLATION >

[WITH 7 INCH DISPLAY]

C

D

E

F

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VTL

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7.

Remove the heater & cooling unit assembly and blower unit mounting bolts (A). 

Refer to 

GI-4, "Components"

 for symbols shown in the figure. 

8.

Remove the steering column mounting nuts (B). Refer to 

ST-18, "WITHOUT ELECTRIC MOTOR :

Exploded View"

 (without electric motor) or 

ST-21, "WITH ELECTRIC MOTOR : Exploded View"

 (with elec-

tric motor). 

9.

Remove the ground bolts (C) from the steering member (1). 

10. Remove the harness clip from the steering member. 

11. Disconnect the intake door motor and blower motor connectors. 

12. Remove the steering member mounting bolts (D), and then remove the steering member. 
13. Remove the mounting screw (A), and then remove the blower

unit (1). 

14. Disconnect the drain hose (1) from heater & cooling unit assem-

bly. 

JPIIA1241ZZ

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VTL-102

< REMOVAL AND INSTALLATION >

[WITH 7 INCH DISPLAY]

HEATER & COOLING UNIT ASSEMBLY

15. Remove the rear foot duct 1 (left/right) (A) and rear ventilator

duct 1 (B), and then remove the heater & cooling unit assembly
(1). 

INSTALLATION

Install in the reverse order of removal.

CAUTION:

• Replace the O-ring with a new one. Apply a coat of compressor oil to the O-ring prior to installation. 
• Check for refrigerant leakage when charging refrigerant.
NOTE:
• Refer to 

CO-12, "Refilling"

 when filling the radiator with engine coolant. 

• Charge the refrigerant again. 

JPIIA0573ZZ