Nissan Frontier D40. Instruction — part 1124
VTL-10
< ON-VEHICLE REPAIR >
VARIABLE BLOWER CONTROL
VARIABLE BLOWER CONTROL
Removal and Installation
INFOID:0000000005275971
Variable Blower Control
REMOVAL
1.
Disconnect the variable blower control electrical connector.
2.
Remove the two screws and remove the variable blower control.
INSTALLATION
Installation is in the reverse order of removal.
WJIA1480E
1.
Heater and cooling unit assembly
2.
Intake door motor
3.
Air mix door motor
4.
Variable blower control
5.
Mode door motor
FRONT BLOWER MOTOR RESISTOR
VTL-11
< ON-VEHICLE REPAIR >
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FRONT BLOWER MOTOR RESISTOR
Removal and Installation
INFOID:0000000005275972
Blower Motor Resistor
REMOVAL
1.
Disconnect the blower motor resistor electrical connector.
2.
Remove the two screws and remove the blower motor resistor.
INSTALLATION
Installation is in the reverse order of removal.
WJIA1480E
1.
Heater and cooling unit assembly
2.
Intake door motor
3.
Air mix door motor
4.
Blower motor resistor
5.
Mode door motor
VTL-12
< ON-VEHICLE REPAIR >
HEATER & COOLING UNIT ASSEMBLY
HEATER & COOLING UNIT ASSEMBLY
Component
INFOID:0000000005275973
Heater and Cooling Unit Assembly
Removal and Installation
INFOID:0000000005275974
REMOVAL
1.
Move the two front seats to the rear most position on the seat track.
2.
Discharge the refrigerant from the A/C system. Refer to
HA-26, "HFC-134a (R-134a) Service Procedure"
3.
Drain the coolant from the engine cooling system. Refer to
CO-12, "Changing Engine Coolant"
CO-39, "Changing Engine Coolant"
(VQ40DE).
4.
Disconnect the battery negative and positive terminals.
WJIA1291E
1.
High-pressure A/C pipe
2.
Low-pressure A/C pipe
3.
Expansion valve
4.
Heater core and evaporator pipes
grommet
5.
A/C drain hose grommet
6.
A/C drain hose
7.
Heater core pipe mounts
8.
Heater core pipes
9.
Heater and cooling unit assembly
HEATER & COOLING UNIT ASSEMBLY
VTL-13
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5.
For vehicles equipped with the VQ40DE engine, remove the RH
heater core pipes nut.
6.
Disconnect the heater core hoses from the heater core.
7.
Disconnect the high- and low-pressure A/C pipes from the
expansion valve.
8.
Remove the instrument panel and center console. Refer to
9.
Remove the two front floor ducts.
10. Remove the steering column. Refer to
.
11. Disconnect the instrument panel wire harness at the RH and LH
in-line connector brackets, and the fuse block (SMJ) electrical connectors. Refer to
.
12. Remove the covers then remove the three steering member bolts from each side to disconnect the steer-
ing member from the vehicle body. Refer to
.
13. Remove the heater and cooling unit assembly with it attached to the steering member, from the vehicle.
CAUTION:
• Use care not to damage the seats and interior trim panels when removing the heater and cooling
unit assembly with it attached to the steering member.
• Use suitable plugs on the heater core pipes to prevent coolant leakage.
14. Remove the heater and cooling unit assembly from the steering member.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace the O-ring of the low-pressure A/C pipe and high-pressure A/C pipe with a new one, and
apply compressor oil to the O-ring for installation.
• After charging the refrigerant, check for leaks. Refer to
HA-20, "Checking of Refrigerant Leaks"
NOTE:
• Fill the engine cooling system with the specified coolant mixture. Refer to
(QR25DE),
CO-39, "Changing Engine Coolant"
• Recharge the A/C system. Refer to
HA-26, "HFC-134a (R-134a) Service Procedure"
.
WJIA1292E
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