NISSAN TEANA 2003 Service Manual

BLOWER UNIT
ATC-113
C
D
E
F
G
H
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K
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MA
B
AT C

BLOWER UNITPFP:27200
Removal and InstallationBJS000HB
REMOVAL
1. Remove instrument passenger lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove mounting nuts, and then remove ECM with bracket
attached.
3. Disconnect fan control amp. connector and blower fan motor
connector.
4. Remove harness clip from blower unit.
5. Remove blower unit mounting bolts and screw, and then discon-
nect intake door motor connector.
CAUTION:
Move blower unit rightward, and remove locating pin (1
part) and joint. Then remove blower unit downward.
6. Remove blower unit.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Make sure locating pin (1 part) and joint are securely inserted.
RJIA3292E
RJIA3293E

ATC-114
BLOWER UNIT

Disassembly and AssemblyBJS000HC
CAUTION:
If retaining tabs are damaged while disassembling blower unit,
use 7 screws (27111-2Y000) to assemble blower unit.
1. Intake adapter 2. Plate clip 3. Nut
4. Blower fan 5. Washer 6. Fan control amp.
7. Screw 8. Motor cover 9. Cooling hose
10. Intake lower case 11. Intake door 1 12. Intake door lever 1
13. Intake door link 14. Intake door lever 2 15. Intake door motor
16. Air conditioner filter 17. Filter cover 18. Intake door 2
19. Intake box 20. Intake upper case 21. Blower motor
RJIA3294E
RJIA3295E

BLOWER MOTOR
ATC-115
C
D
E
F
G
H
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K
L
MA
B
AT C

BLOWER MOTORPFP:27226
Removal and InstallationBJS000HD
REMOVAL
1. Remove instrument passenger lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Disconnect blower motor connector.
3. Remove mounting screws, and then remove blower motor and
motor cover.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA3296E

ATC-116
FAN CONTROL AMPLIFIER

FAN CONTROL AMPLIFIERPFP:27761
Removal and InstallationBJS000HE
REMOVAL
1. Remove instrument passenger lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove harness clip.
3. Disconnect fan control amp. connector.
4. Remove mounting screws, and then remove fan control amp.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA3297E

INTAKE DOOR MOTOR
ATC-117
C
D
E
F
G
H
I
K
L
MA
B
AT C

INTAKE DOOR MOTORPFP:27730
Removal and InstallationBJS000HF
REMOVAL
1. Remove blower unit. Refer to AT C - 11 3 , "BLOWER UNIT" .
2. Remove mounting screws, and then remove intake door motor.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA3298E

ATC-118
AIR CONDITIONER FILTER

AIR CONDITIONER FILTERPFP:27277
Removal and InstallationBJS000HG
FUNCTION
Air inside passenger compartment is kept clean at either recircula-
tion or fresh mode by installing air conditioner filter into blower unit.
REPLACEMENT TIMING
Replace air conditioner filter.
Refer to MA-9, "
CHASSIS AND BODY MAINTENANCE" .
When replacing filter, affix a caution label inside the glove box.
REPLACEMENT PROCEDURES
1. Remove instrument passenger lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove filter cover, and then remove air conditioner filter.
3. Take out air conditioner filter from blower unit.
4. Replace with new one and reinstall on blower unit.
5. Reinstall instrument passenger lower panel.
SJIA0573E
SJIA0994E

HEATER & COOLING UNIT ASSEMBLY
ATC-119
C
D
E
F
G
H
I
K
L
MA
B
AT C

HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationBJS000HH
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Drain coolant from cooling system. Refer to CO-10, "
Changing Engine Coolant" (QR engine) or CO-34,
"Changing Engine Coolant" (VQ engine).
3. Remove extension cowl top lower panel. Refer to EI-21, "
COWL TOP" .
4. Disconnect low-pressure pipe 1 and high-pressure pipe 1 from
evaporator.
a. Set a disconnector [high-pressure side (SST: 9253089908), low-
pressure side (SST: 9253089916)] on A/C piping.
b. Slide a disconnector toward vehicle front until it clicks.
c. Slide A/C piping toward vehicle front and disconnect it.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
5. Disconnect two heater hoses from heater core.
6. Remove instrument panel assembly. Refer to IP-10, "
INSTRUMENT PANEL ASSEMBLY" .
7. Remove blower unit. Refer to AT C - 11 3 , "
BLOWER UNIT" .
8. Remove drain hose.
9. Remove mounting nuts, and then remove instrument stays.
RJIA3300E
RJIA3301E
RJIA3302E

ATC-120
HEATER & COOLING UNIT ASSEMBLY

10. Remove mounting bolts from heater & cooling unit.
11. Remove steering column mounting nuts.
12. Remove steering member mounting bolts.
13. Remove steering member, and then remove heater & cooling unit.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace O-rings of A/C piping with new ones, and then apply compressor oil to it when installing
it.

Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.

Insert piping securely until a click is heard.

After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.

When recharging refrigerant, check for leaks.
NOTE:

When filling radiator with coolant, refer to CO-10, "Changing Engine Coolant" (QR engine) or CO-34,
"Changing Engine Coolant" (VQ engine).

Recharge the refrigerant.
RJIA3303E
RJIA3304E

HEATER & COOLING UNIT ASSEMBLY
ATC-121
C
D
E
F
G
H
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K
L
MA
B
AT C

Disassembly and AssemblyBJS000HI
1. Adaptor duct 2. Heater & cooling case (left) 3. Mode door motor bracket
4. Mode door motor 5. Instrument lower cover bracket 6. Aspirator
7. Aspirator duct 8. Sub harness 9. Heater core
10. Foot duct (right) 11. Heater core cover 12. Air mix door motor (passenger side)
13. Evaporator cover 14. Bolt 15. Low-pressure pipe 2
16. High-pressure pipe 2 17. Cooler pipe grommet 18. Heater & cooling case (right)
19. Insulator 20. Air mix door motor (driver side) 21. Defroster door lever
22. Max. cool door lever 23. Main link 24. Ventilator door lever
25. Ventilator door link 26. Foot duct (left) 27. Ventilator door
28. Heater pipe support 29. Intake sensor 30. Intake sensor bracket
31. Adaptor cover 32. O-ring 33. Expansion valve
34. Evaporator 35. Defroster door 36. Defroster door link
SJIA1657E

ATC-122
HEATER & COOLING UNIT ASSEMBLY

37. Max. cool door link 38. Max. cool door (left) 39. Center case
40. Heater pipe grommet 41. Air mix door 42. Max. cool door (right)
: N·m (kg-m, in-lb)
: Always replace after every disassembly