display NISSAN TEANA 2008 Service Manual

HEATER & COOLING UNIT ASSEMBLY
VTL-37
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Removal and InstallationINFOID:0000000003774678
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.
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VTL-38
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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.
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HEATER & COOLING UNIT ASSEMBLY
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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.
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VTL-40
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MODE DOOR MOTOR
MODE DOOR MOTOR
Exploded ViewINFOID:0000000003774681
Removal and InstallationINFOID:0000000003774682
REMOVAL
1. Remove BCM. Refer to BCS-78, "Exploded View".
2. Remove mounting screws (A), and then remove mode door
motor (1).
3. Disconnect mode door motor connector.
INSTALLATION
Installation is basically the reverse order of removal.
1. Heater & cooling unit assembly 2. Air mix door motor (passenger side) 3. Air mix door motor (driver side)
4. Mode door motor 5. Main link 6. Rod link
7. Mode door lever 8. Ventilator door link 9. Foot door link
10. Foot door lever 11. Max. cool door link 12. Max. cool door lever
13. Defroster door link 14. Defroster door lever
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AIR MIX DOOR MOTOR
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AIR MIX DOOR MOTOR
Exploded ViewINFOID:0000000003821360
Removal and InstallationINFOID:0000000003774684
REMOVAL
Driver Side
1. Disconnect the battery cable from the negative terminal after setting the temperature (driver side) to 18°C
(60°F).
2. Remove foot duct (driver side). Refer to VTL-59, "
FOOT DUCT : Exploded View".
3. Remove mounting screws (A), and then remove air mix door
motor (driver side) (1).
4. Disconnect air mix door motor connector (driver side).
Passenger Side
1. Disconnect the battery cable from the negative terminal after setting the temperature (passenger side) to
18°C (60°F).
1. Heater & cooling unit assembly 2. Air mix door motor (passenger side) 3. Air mix door motor (driver side)
4. Mode door motor 5. Main link 6. Rod link
7. Mode door lever 8. Ventilator door link 9. Foot door link
10. Foot door lever 11. Max. cool door link 12. Max. cool door lever
13. Defroster door link 14. Defroster door lever
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VTL-42
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AIR MIX DOOR MOTOR
2. Remove mounting screws (A), and then move foot duct (passen-
ger side) (1) to a position where it does not inhibit work.
3. Remove mounting screws (B), and then remove air mix door
motor (passenger side) (2).
4. Disconnect air mix door motor connector (passenger side).
INSTALLATION
Installation is basically the reverse order of removal.
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HEATER CORE
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HEATER CORE
Exploded ViewINFOID:0000000003821362
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
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VTL-44
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HEATER CORE
Removal and Installation
INFOID:0000000003774686
REMOVAL
1. Remove heater & cooling unit assembly. Refer to VTL-35, "Exploded View".
2. Remove mounting screws (A), and then remove foot duct (left)
(1).
3. Remove heater pipe grommet (1).
4. Remove mounting screw (A), and then remove heater pipe sup-
port (2).
5. Remove mounting screws (B), and then remove heater pipe
cover (3).
6. Slide heater core (1) to leftward (as shown in the figure).
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 refrigerant leakage when charging refrigerant.
NOTE:
 Refer to CO-9, "
Refilling" when filling radiator with engine coolant.
 Charge the refrigerant.
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
49. Defroster door 50. Air mix door (Slide door)
Refer to GI-4, "
Components" for symbols in the figure.
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DUCT AND GRILLE
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DUCT AND GRILLE
CENTER VENTILATOR GRILLE
CENTER VENTILATOR GRILLE : Exploded ViewINFOID:0000000003774687
CENTER VENTILATOR GRILLE : Removal and InstallationINFOID:0000000003774688
REMOVAL
1. Remove cluster lid D. Refer to IP-11, "Exploded View".
2. Disengage the pawls, and then remove center ventilator grilles
(left and right) (1).
INSTALLATION
Installation is basically the reverse order of removal.
SIDE VENTILATOR GRILLE
1. Side defroster nozzle (right) 2. Defroster nozzle 3. Side defroster nozzle (left)
4. Ventilator duct 5. Side defroster grille (left) 6. Instrument panel assembly
7. Side ventilator grille (left) 8. Center ventilator grille (left) 9. Cluster lid D
10. Center ventilator grille (right) 11. Side ventilator grille (right) 12. Side defroster grille (right)
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VTL-46
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DUCT AND GRILLE
SIDE VENTILATOR GRILLE : Exploded View
INFOID:0000000003774689
SIDE VENTILATOR GRILLE : Removal and InstallationINFOID:0000000003774690
REMOVAL
1. Remove ventilator duct. Refer to VTL-48, "VENTILATOR DUCT : Exploded View".
2. Disengage the pawls, and then remove side ventilator grilles
(left and right) (1).
INSTALLATION
Installation is basically the reverse order of removal.
SIDE DEFROSTER GRILLE
1. Side defroster nozzle (right) 2. Defroster nozzle 3. Side defroster nozzle (left)
4. Ventilator duct 5. Side defroster grille (left) 6. Instrument panel assembly
7. Side ventilator grille (left) 8. Center ventilator grille (left) 9. Cluster lid D
10. Center ventilator grille (right) 11. Side ventilator grille (right) 12. Side defroster grille (right)
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