Nissan Rogue Service Manual: Heating and cooling unit assembly

Exploded View

Steering Member

1. Heating and cooling unit assembly
2. Steering member
1.  Bolt
2. Nut

Automatic Air Conditioning

1. Wiring harness
2. Air mix door duct (LH)
3.  Air mix door duct (RH)
4.  Intake housing gasket
5.  Blower motor
6. Front foot duct (RH)
7. Mode door motor
8. Mode door motor link
9. Mode door motor link 2
10. Mode door motor main link
11.  Rear foot door lever
12.  Front foot door link
13.  Front foot door lever
14.  Air mix door motor (RH)
15. Air mix door motor link (RH)
16.  Air mix door motor link 2 (RH)
17. Air mix door lever (RH)
18.  In-cabin microfilter
19.  In-cabin microfilter cover
20.  Evaporator
21.  Evaporator grommet
22.  Expansion valve
23.  Expansion valve plug
24.  Heater core
25.  Heater core grommet
26. Heater core pipe cover
27. Aspirator
28.  Intake sensor
29. Inspection cover
30. Variable blower control
31.  Air mix door motor (LH)
32. Front foot duct (LH)
33.  Intake door motor
34.  Intake door motor link
35. Intake door lever
36.  Internal door linkage 1
37.  Internal door linkage 2
38. Side ventilator duct gasket (LH)
39.  Rear foot door
40.  Front foot door
41.  Center ventilator door
42.  Defroster door
43.  Side ventilator duct gasket (RH)
44.  Center ventilator duct gasket
45.  Defroster duct gasket
46.  Drain hose

Manual Air Conditioning

1. Wiring harness
2. Intake housing gasket
3. Blower motor
4. Front foot duct
5. Mode door motor
6. Mode door motor link
7. Mode door motor link 2
8. Mode door motor main link
9. Rear foot door lever
10.  Front foot door link
11.  Front foot door lever
12.  In-cabin microfilter
13.  In-cabin microfilter cover
14.  Evaporator
15. Evaporator grommet
16. Expansion valve
17. Expansion valve plug
18. Heater core grommet
19.  Heater core
20. Heater core pipe cover
21.  Aspirator
22.  Intake sensor
23. Inspection cover
24.  Variable blower control
25.  Air mix door motor
26. Intake door motor
27. Intake door motor link
28. Intake door lever
29. Front foot duct (LH)
30. Internal door linkage 1
31.  Internal door linkage 2
32. Side ventilator duct gasket (LH)
33.  Rear foot door
34.  Front foot door
35.  Center ventilator door
36. Defroster door
37.  Side ventilator duct gasket (RH)
38. Center ventilator duct gasket
39. Defroster duct gasket
40.  Drain hose

HEATING AND COOLING UNIT ASSEMBLY

HEATING AND COOLING UNIT ASSEMBLY : Removal and Installation

REMOVAL

CAUTION: Before servicing, turn the ignition switch off, disconnect both battery cables and wait at least three minutes.

NOTE: When removing components such as hoses, lines/tubes, etc., cap or plug openings to prevent fluid from leaking.

1. Disconnect the negative and positive battery terminals and wait at least three minutes. Refer to PG-75, "Removal and Installation (Battery)".
2. Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
3.  Drain the engine coolant. Refer to CO-8, "Draining".
4. Remove instrument panel assembly. Refer to IP-14, "INSTRUMENT PANEL ASSEMBLY : Removal and Installation".
5. Remove steering column. Refer to ST-12, "Removal and Installation".
6. Remove dash side finishers (LH/RH). Refer to INT-24, "DASH SIDE FINISHER : Removal and Installation".
7.  Remove front floor connecting ducts (LH/RH). Refer to VTL-10, "FRONT FLOOR DUCT : Removal and Installation - Front Floor Connecting Duct".
8. Remove the cowl top extension. Refer to EXT-25, "Removal and Installation".
9.  Remove the bolt (A) that retains the low-pressure pipe and highpressure pipe to the expansion valve (1).

CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

10. Disconnect the heater hoses from the heater core.
11.  Remove the nuts and bolts that retain the steering member to the vehicle body.
12.  Disconnect the drain hose from the heating and cooling unit assembly.
13.  Disconnect the harness connectors from the heating and cooling unit assembly and steering member.
14.  Remove the heating and cooling unit assembly and steering member from the vehicle as an assembly.

    CAUTION: Use care not to damage the seats when removing the steering member.

15. Remove the bolts that retain the heating and cooling unit assembly to the steering member.
16.  Separate the heating and cooling unit assembly from the steering member.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

•  Do not reuse O-rings.
•  Apply A/C oil to new O-rings for installation.
•  After charging refrigerant, check for leaks. Refer to HA-21, "Leak Test".

HEATER CORE

HEATER CORE : Exploded View

1. Heating and cooling unit assembly
2. Heater core
3. Heater core grommet
4. Heater core pipe cover

Front

HEATER CORE : Removal and Installation

REMOVAL

NOTE: When removing components such as hoses, lines/tubes, etc., cap or plug openings to prevent fluid from spilling.

1.  Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
2.  Drain the engine coolant. Refer to CO-8, "Draining".
3. Remove heating and cooling unit assembly. Refer to HA-42, "HEATING AND COOLING UNIT ASSEMBLY : Removal and Installation".
4. Remove front foot duct (LH). Refer to VTL-10, "FRONT FOOT DUCT : Removal and Installation".
5. Remove screws and heater core pipe cover. Refer to HA-39, "Exploded View".
6.  Remove heater core.

INSTALLATION

Installation is in the reverse order of removal.

EVAPORATOR

EVAPORATOR : Exploded View

1. Evaporator
2. Expansion valve
3. Heating and cooling unit assembly

EVAPORATOR : Removal and Installation

REMOVAL

1.  Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
2.  Remove front foot duct (LH). Refer to VTL-10, "FRONT FOOT DUCT : Removal and Installation".
3.  Remove heater core. Refer to HA-43, "HEATER CORE : Removal and Installation".
4.  Remove intake door motor. Refer to HAC-110, "INTAKE DOOR MOTOR : Removal and Installation" (AUTOMATIC AIR CONDITIONING) or HAC-185, "INTAKE DOOR MOTOR : Removal and Installation" (MANUAL AIR CONDITIONING).
5. Remove air mix door motor (LH) (AUTOMATIC AIR CONDITONING). Refer to HAC-110, "AIR MIX DOOR MOTOR : Removal and Installation".
6. Remove air mix door motor (MANUAL AIR CONDITIONING). Refer to HAC-185, "AIR MIX DOOR MOTOR : Removal and Installation".
7.  Separate the heating and cooling unit assembly and remove evaporator.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

•  Do not reuse O-rings.
•  Apply A/C oil to new O-rings for installation.
•  After charging the refrigerant, check for leaks. Refer to HA-21, "Leak Test"

EXPANSION VALVE

EXPANSION VALVE : Removal and Installation

REMOVAL

1.  Discharge the refrigerant. Refer to HA-23, "Recycle Refrigerant".
2.  Remove cowl top extension. Refer to EXT-25, "Removal and Installation".
3. Remove the bolt (A) that retains the low-pressure pipe and highpressure pipe to the expansion valve (1).

   CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

4. Remove bolts (A) and expansion valve (1).

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

•  Tighten bolts to specification. Refer to HA-32, "Exploded View".
•  Do not reuse O-rings.
•  Apply A/C oil to new O-rings for installation.
•  After charging refrigerant, check for leaks. Refer to HA-21, "Leak Test".