Nissan Murano Z50 (2006 year). Manual — part 10
HEATER & COOLING UNIT ASSEMBLY
ATC-121
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Revision: 2006 August
2006 Murano
19. Heater & cooling unit case (right)
20. Insulator
21. Air mix door motor (driver side)
22. Defroster door lever
23. Max. cool door lever
24. Main link
25. Ventilator door lever
26. Ventilator door link
27. Foot duct (left)
28. Ventilator door
29. Heater pipe support
30. Intake sensor
31. Intake sensor bracket
32. Adaptor cover
33. O-ring
34. Expansion valve
35. Evaporator
36. Defroster door
37. Defroster door link
38. Max. cool door link
39. Max. cool door (left)
40. Center case
41. Heater pipe grommet
42. Air mix door (Slide door)
43. Max. cool door (right)
: N·m (kg-m, in-lb)
: Always replace after every disassembly
ATC-122
MODE DOOR MOTOR
Revision: 2006 August
2006 Murano
MODE DOOR MOTOR
PFP:27731
Removal and Installation
NJS000BT
REMOVAL
1.
Remove front heater duct (left). Refer to
ATC-129, "Removal of Foot Ducts"
.
2.
Remove BCM. Refer to
BCS-14, "Removal and Installation of BCM"
3.
Remove mode door motor mounting screws.
4.
Disconnect connector, and then remove mode door motor.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA3978E
AIR MIX DOOR MOTOR
ATC-123
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AIR MIX DOOR MOTOR
PFP:27732
Removal and Installation
NJS000BU
REMOVAL
Driver Side
1.
Set the temperature control dial (driver side) at 18
°
C (60
°
F), and then disconnect the battery cable from
the negative terminal.
2.
Remove front heater duct (left). Refer to
ATC-129, "Removal of Foot Ducts"
.
3.
Remove BCM. Refer to
BCS-14, "Removal and Installation of BCM"
.
4.
Remove mounting screws, and then remove air mix door motor.
5.
Disconnect air mix door motor connector.
Passenger Side
1.
Set the temperature control dial (passenger side) at 18
°
C (60
°
F), and then disconnect the battery cable
from the negative terminal.
2.
Remove blower unit. Refer to
3.
Remove mounting screws, and then remove air mix door motor.
4.
Disconnect air mix door motor connector.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA3979E
RJIA3980E
ATC-124
HEATER CORE
Revision: 2006 August
2006 Murano
HEATER CORE
PFP:27140
Removal and Installation
NJS000BV
REMOVAL
1.
Remove heater & cooling unit assembly. Refer to
ATC-118, "HEATER & COOLING UNIT ASSEMBLY"
2.
Remove air mix door motor (passenger side). Refer to
3.
Remove foot duct (right). Refer to
ATC-129, "Removal of Foot Ducts"
.
4.
Remove mounting screw, and then remove heater core cover.
5.
Remove mounting screw, and then remove heater pipe support and heater pipe grommet.
6.
Slide heater core (shown in the figure) to passenger side.
INSTALLATION
Installation is basically the reverse order of removal.
SJIA1189E
DUCTS AND GRILLES
ATC-125
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Revision: 2006 August
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DUCTS AND GRILLES
PFP:27860
Removal and Installation
NJS000BW
COMPONENT LAYOUT
REMOVAL
Removal of Center Ventilator Grilles
1.
Remove center ventilator. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
.
2.
Remove mounting clips, and then remove center ventilator
grilles.
Removal of Side Ventilator Grilles
1.
Remove side ventilator assembly. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
.
2.
Remove mounting screw and clips, and then remove side venti-
lator grilles.
1.
Defroster nozzle
2.
Side defroster duct (left)
3.
Ventilator duct
4.
Side defroster grille (left)
5.
Side ventilator grille (left)
6.
Center ventilator grille (left)
7.
Center ventilator grille (right)
8.
Side ventilator grille (right)
9.
Instrument panel
10. Side defroster grille (right)
11. Side defroster duct (right)
RJIA3981E
RJIA1834E
RJIA1835E
ATC-126
DUCTS AND GRILLES
Revision: 2006 August
2006 Murano
Removal of Rear Ventilator Grilles
1.
Remove center pillar lower garnish. Refer to
EI-32, "CENTER PILLAR LOWER GARNISH"
2.
Remove mounting clips, and then remove rear ventilator grilles.
Removal of Defroster Nozzle, Ducts and Ventilator Ducts
1.
Remove instrument panel. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
.
2.
Remove mounting screws, and then remove side defroster ducts, using power tools.
3.
Remove mounting screws, and then remove defroster nozzle, using power tools.
4.
Remove mounting screws, and then remove ventilator duct, using power tools.
RJIA1836E
RJIA3982E
RJIA3983E
DUCTS AND GRILLES
ATC-127
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Revision: 2006 August
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Removal of Side Defroster Grilles
1.
Remove instrument side finisher. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
2.
Remove mounting clip, and then remove side defroster grilles.
RJIA1838E
ATC-128
DUCTS AND GRILLES
Revision: 2006 August
2006 Murano
Removal of Rear Ventilator Ducts
1.
Remove center console assembly. Refer to
IP-17, "CENTER CONSOLE ASSEMBLY"
2.
Slide rear ventilator duct 2 toward vehicle rear, and then remove it.
3.
Remove mounting clips, and then remove rear ventilator duct 1.
4.
Remove floor carpet. Refer to
.
5.
Remove mounting screws, and then remove rear ventilator duct 3.
RJIA1839E
RJIA1840E
DUCTS AND GRILLES
ATC-129
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Revision: 2006 August
2006 Murano
Removal of Front Heater Ducts
1.
Remove mounting screw, and then remove front heater duct
(left).
2.
Remove mounting clips, and then remove front heater duct
(right).
Removal of Foot Ducts
1.
Remove instrument driver lower panel. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
2.
Remove mounting screws, and then remove foot duct (driver
side).
3.
Remove blower unit. Refer to
4.
Remove mounting screws, and then remove foot duct (passen-
ger side).
RJIA3984E
RJIA3985E
RJIA3986E
RJIA3987E
ATC-130
DUCTS AND GRILLES
Revision: 2006 August
2006 Murano
Removal of Floor Ducts
1.
Remove front seats and center console assembly. Refer to
and
2.
Slide front floor duct downward, and then remove it.
3.
Peel back floor carpet to a point where rear floor duct is visible.
4.
Remove mounting clip and harness clip, and then remove rear
floor ducts.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA1843E
RJIA1844E
REFRIGERANT LINES
ATC-131
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Revision: 2006 August
2006 Murano
REFRIGERANT LINES
PFP:92600
HFC-134a (R-134a) Service Procedure
NJS000BX
SETTING OF SERVICE TOOLS AND EQUIPMENT
Discharging Refrigerant
WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and
throat. Remove HFC-134a (R-134a) from A/C system using certified service equipment meeting
requirements of SAE J-2210 [HFC-134a (R-134a) recycling equipment] or J-2209 [HFC-134a (R-134a)
recovery equipment]. If accidental system discharge occurs, ventilate work area before resuming ser-
vice. Additional health and safety information may be obtained from refrigerant and lubricant manu-
facturers.
Evacuating System and Charging Refrigerant
WJIA0614E
WJIA0615E
ATC-132
REFRIGERANT LINES
Revision: 2006 August
2006 Murano
*1
ATC-22, "LUBRICANT RETURN
OPERATION"
*2
ATC-144, "Checking for Refrigerant
Leaks"
*3
ATC-146, "CHECKING PROCE-
DURE"
*4
ATC-85, "PERFORMANCE TEST
DIAGNOSIS"
*5
ATC-6, "CONTAMINATED REFRIG-
ERANT"
SJIA1275E
REFRIGERANT LINES
ATC-133
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Revision: 2006 August
2006 Murano
Components
NJS000BY
Refer to
ATC-8, "Precautions for Refrigerant Connection"
PJIA0097E
ATC-134
REFRIGERANT LINES
Revision: 2006 August
2006 Murano
Removal and Installation of Compressor
NJS000D4
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove air duct (inlet). Refer to
EM-16, "AIR CLEANER AND AIR DUCT"
3.
Remove engine undercover, using power tools.
4.
Remove mounting bolts from low-pressure flexible hose and
high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of compressor, low-pressure flexible
hose and high-pressure flexible hose with suitable material
such as vinyl tape to avoid the entry of air.
5.
Disconnect compressor connector.
6.
Remove A/C compressor belt. Refer to
.
7.
Remove idler pulley bracket.
8.
Remove engine oil cooler hose bracket mounting bolts from compressor, using power tools.
9.
Remove mounting bolts and nut from compressor, using power tools.
10. Remove compressor from passenger side of the vehicle.
INSTALLATION
Installation is basically the reverse order of removal.
PJIA0123E
RJIA2983E
SJIA1166E
REFRIGERANT LINES
ATC-135
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Revision: 2006 August
2006 Murano
CAUTION:
●
Replace O-rings of low-pressure flexible hose and high-pressure flexible hose with new ones, and
then apply compressor oil to it when installing it.
●
When recharging refrigerant, check for leaks.
Check Disc to Pulley Clearance
NJS000ID
Check clearance around entire periphery of clutch disc.
If specified clearance is not obtained, replace compressor.
Removal and Installation of Low-pressure Flexible Hose
NJS000C1
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove cowl top cover. Refer to
3.
Remove air duct (inlet). Refer to
EM-16, "AIR CLEANER AND AIR DUCT"
4.
Remove mounting bolt from low-pressure flexible hose. (Com-
pressor side)
CAUTION:
Cap or wrap the joint of low-pressure flexible hose and
compressor with suitable material such as vinyl tape to
avoid the entry of air.
5.
Remove mounting bolt from low-pressure flexible hose.
6.
Remove low-pressure flexible hose.
CAUTION:
Cap or wrap the joint of low-pressure flexible hose and low-
pressure pipe 1 with suitable material such as vinyl tape to
avoid the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of low-pressure flexible hose with new ones, and then apply compressor oil to it
when installing it.
●
When recharging refrigerant, check for leaks.
Idler pulley bracket mounting bolts
: 28 N·m (2.9 kg-m, 21 ft-lb)
Disc to pulley
clearance
: 0.3 - 0.60 mm (0.012 - 0.024 in)
SJIA1167E
RJIA2986E
RJIA1851E
ATC-136
REFRIGERANT LINES
Revision: 2006 August
2006 Murano
Removal and Installation of High-pressure Flexible Hose
NJS000C2
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove air duct (inlet). Refer to
EM-16, "AIR CLEANER AND AIR DUCT"
3.
Remove mounting bolt from high-pressure flexible hose (Com-
pressor side), and then remove high-pressure flexible hose
mounting clip.
CAUTION:
Cap or wrap the joint of high-pressure flexible hose and
compressor with suitable material such as vinyl tape to
avoid the entry of air.
4.
Remove mounting bolt from high-pressure flexible hose (Con-
denser side), and then remove high-pressure flexible hose.
CAUTION:
Cap or wrap the joint of high-pressure flexible hose and
condenser with suitable material such as vinyl tape to avoid
the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Replace O-rings of high-pressure flexible hose with new ones, and then apply compressor oil to it
when installing it.
●
When recharging refrigerant, check for leaks.
RJIA2988E
RJIA1853E
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