Nissan Teana J32. Manual - part 1227

VTL-94

< ON-VEHICLE REPAIR >

[WITH 7 INCH DISPLAY]

HEATER & COOLING UNIT ASSEMBLY

1.

Ventilator seal

2.

Defroster seal

3.

Distributor upper case

4.

Center case

5.

Heater & cooling unit case cover

6.

Foot duct 1 (right)

7.

Foot duct 2 (right)

8.

Air mix door motor (passenger side)

9.

Evaporator pipe assembly

10. Expansion valve

11.

O-ring

12.

Evaporator

13. Filter cover

14.

Air conditioner filter

15.

Case packing

16. Heater & cooling unit case (right)

17.

Cooler pipe grommet

18.

Grommet

19. Heater pipe grommet

20.

Heater pipe support

21.

Drain hose

22. Heater & cooling unit case (left)

23.

Air mix door motor (driver side)

24.

Heater core 

25. Heater pipe cover

26.

Foot duct 2 (left)

27.

Foot duct 1 (left)

28. Aspirator hose

29.

Aspirator

30.

Mode door motor

31. Main link

32.

Rod link

33.

Ventilator door link

34. Mode door lever

35.

Ventilator door lever

36.

Max. cool door link

37. Defroster door link

38.

Foot door link

39.

Max. cool door lever

40. Foot door lever

41.

Defroster door lever

42.

Adapter case

43. Distributor lower case

44.

Ventilator door

45.

Intake sensor

46. Intake sensor bracket

47.

Foot door

48.

Max. cool door

JPIIA0906GB

HEATER & COOLING UNIT ASSEMBLY

VTL-95

< ON-VEHICLE REPAIR >

[WITH 7 INCH DISPLAY]

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Removal and Installation

INFOID:0000000003940515

REMOVAL

1.

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

2.

Drain engine coolant from cooling system. Refer to 

CO-8, "Draining"

. 

3.

Remove mounting bolt (A), and then disconnect 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 air cleaner case and air duct. Refer to 

EM-26, "Exploded View"

5.

Remove clamps (A), and then disconnect 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. 

6.

Remove instrument panel assembly. Refer to 

IP-11, "Exploded View"

. 

7.

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

49.

Defroster door

50.

Air mix door (Slide door)

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPIIA0915ZZ

JPIIA0916ZZ

JPIIA0909ZZ

VTL-96

< ON-VEHICLE REPAIR >

[WITH 7 INCH DISPLAY]

HEATER & COOLING UNIT ASSEMBLY

8.

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

9.

Remove steering column mounting nuts (B). Refer to 

ST-13, "Exploded View"

. 

10. Remove ground bolts (C) from steering member (1). 
11. Disconnect each harness connectors, and remove harness clips from steering member.

12. Remove mounting bolts (A), and then remove steering member (1). 

13. Disconnect the intake door motor and blower motor connectors. 
14. Remove mounting screws (A), and then remove blower unit (1). 

15. Disconnect drain hose (1) from heater & cooling unit assembly. 

JPIIA0917ZZ

JPIIA0918ZZ

JPIIA0919ZZ

JPIIA0920ZZ

HEATER & COOLING UNIT ASSEMBLY

VTL-97

< ON-VEHICLE REPAIR >

[WITH 7 INCH DISPLAY]

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16. Remove floor duct 1 (left and right) (1) and rear ventilator duct 1

(2), and then remove heater & cooling unit assembly (3). 

INSTALLATION

Installation is basically 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.
NOTE:
• Refer to 

CO-9, "Refilling"

 when filling radiator with engine coolant. 

• Charge the refrigerant. 

JPIIA0921ZZ