Nissan Frontier. Manual - part 1299

VTL-18

< REMOVAL AND INSTALLATION >

EXPANSION VALVE

EXPANSION VALVE

Removal and Installation

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For removal and installation of the expansion valve, refer to 

HA-37, "Removal and Installation"

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HEATER CORE

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< REMOVAL AND INSTALLATION >

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HEATER CORE

Component

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Heater and Cooling Unit Assembly

Removal and Installation

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REMOVAL

1. Remove the heater and cooling unit assembly. Refer to 

VTL-14, "Removal and Installation"

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2. Remove the three screws and the heater core cover.
3. Remove the heater core and evaporator pipe bracket.
4. Remove the heater core.

NOTE:

If the in-cabin microfilters are contaminated from coolant leaking from the heater core, replace the in-cabin

microfilters with new ones before installing the new heater core.

INSTALLATION

Installation is in the reverse order of removal.

AWIIA1534ZZ

1.

Heater core and evaporator pipe bracket 2.

Heater core

3.

Heater and cooling unit assembly

4.

Heater core cover

Front

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< REMOVAL AND INSTALLATION >

INTAKE DOOR MOTOR

INTAKE DOOR MOTOR

Removal and Installation

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Intake Door Motor

REMOVAL

1. Remove the heater and cooling unit assembly. Refer to 

VTL-14, "Removal and Installation"

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2. Disconnect the harness connectori from the intake door motor.
3. Remove the three screws and the intake door motor.

INSTALLATION

Installation is in the reverse order of removal.

LBIA0415E

1.

Heater and cooling unit assembly

2.

Intake door motor

3.

Air mix door motor (driver)

4.

Variable blower control

5.

Air mix door motor (passenger)

6.

Mode door motor

MODE DOOR MOTOR

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< REMOVAL AND INSTALLATION >

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MODE DOOR MOTOR

Removal and Installation

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Mode Door Motor

REMOVAL

1. Remove the BCM. Refer to 

BCS-49, "Removal and Installation"

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2. Disconnect the harness connector from the mode door motor.
3. Remove the three screws and the mode door motor.

INSTALLATION

Installation is in the reverse order of removal.

LBIA0415E

1.

Heater and cooling unit assembly

2.

Intake door motor

3.

Air mix door motor (driver)

4.

Variable blower control

5.

Air mix door motor (passenger)

6.

Mode door motor