Mitsubishi Outlander (2003+). Manual - part 542

HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND EVAPORATOR UNIT

HEATER, AIR CONDITIONER AND VENTILATION

55A-63

HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND 

EVAPORATOR UNIT

REMOVAL AND INSTALLATION

M1552011600338

WARNING

When removing and installing the heater unit, do not let it bump against the SRS-ECU or the 
components.

Pre-removal and Post-installation Operation

•

Refrigerant draining and Refilling (Refer to Charging 

P.55A-52

 and Discharging 

P.55A-55

).

•

Engine coolant Draining and Refilling (Refer to GROUP 14, On vehicles service 

P.14-17

).

•

Instrument Panel Removal and Installation (Refer to GROUP 52A, Instrument Panel <LHD>

P.52A-2

  or Instrument 

Panel <RHD>).

•

Air cleaner cover and air flow sensor assembly Removal and Installation (Refer to GROUP 15, Air cleaner 

P.15-3

 

<2000> or 

P.15-4

 <2400>).

AC200906

6, 7

O ring

-Pipe coupling

A/C compressor oil:
SUN PAG 56

N

8

5

9

7

6

10

2

3

1

4

AB

11

12 ± 2 N·m

Removal steps

1.

Intake duct

2.

Joint duct

3.

Blower assembly

4.

Foot duct <front passenger's side>

5.

Heater hose connection

<<A>>

6.

Liquid pipe B connection

<<A>>

7.

Flexible suction hose connection

8.

O ring

Removal steps (Continued)

HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND EVAPORATOR UNIT

HEATER, AIR CONDITIONER AND VENTILATION

55A-64

REMOVAL SERVICE POINT

<<A>> FLEXIBLE SUCTION HOSE AND LIQUID 
PIPE B DISCONNECTION

CAUTION

As the compressor oil and receiver are highly 
moisture absorbent, use a non-porous material 
to plug the hose and nipples.
To prevent the entry of dust or other foreign bodies, 
plug the dismantled hose and the nipples of the 
expansion valves.

HEATER UNIT

DISASSEMBLY AND REASSEMBLY

M1551005400194

9.

Centre duct

10. Foot duct <driver's side>
11. Heater unit

Removal steps (Continued)

AC106930

3, 4

O ring

-Pipe coupling

A/C compressor oil:
SUN PAG 56

N

6

9

2

8

1

3

7

5

4

AC

Disassembly steps

1.

Evaporator cover

2.

Heater core

3.

Expansion valve

4.

Joint

5.

O ring

6.

Evaporator

7.

Air thermo sensor clip

8.

Air thermo sensor

9.

Heater case

Disassembly steps (Continued)

HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND EVAPORATOR UNIT

HEATER, AIR CONDITIONER AND VENTILATION

55A-65

BLOWER ASSEMBLY

DISASSEMBLY AND REASSEMBLY

M1551005500168

AC301387AB

1

2

3

5

4

Disassembly steps

1.

Outside/inside air selection damper 
control motor

2.

Hose

3.

Blower motor

4.

Clean air filter

5.

Blower case

Disassembly steps (Continued)

BLOWERMOTOR, RESISTOR AND OUTSIDE/INSIDE AIR SELECTION DAMPER CONTROL MOTOR

HEATER, AIR CONDITIONER AND VENTILATION

55A-66

BLOWERMOTOR, RESISTOR AND OUTSIDE/INSIDE AIR 

SELECTION DAMPER CONTROL MOTOR

REMOVAL AND INSTALLATION

M1551002800353

AC200968AB

1

2

3

Blower motor removal step

1.

Blower motor
Resistor removal step

•

Glove box (Refer to GROUP 52A, 
Instrument Panel <LHD>

P.52A-2

  

or Instrument Panel 
<RHD>

P.52A-8

).

2.

Resistor

Outside/inside air selection 
damper control motor removal 
step

•

Glove box (Refer to GROUP 52A, 
Instrument Panel <LHD>

P.52A-2

  

or Instrument Panel 
<RHD>

P.52A-8

).

3.

Outside/inside air selection damper 
control motor