Mitsubishi Montero Sport (2004+). Manual - part 604

BLOWER ASSEMBLY AND RESISTOR

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-43

INSPECTION

M1556001100099

BLOWER FAN AND MOTOR CHECK

When battery voltage is applied between the terminals, check 
that the motor operates. Also, check that there is no abnormal 
noise.

RESISTOR CHECK

Use an ohmmeter to measure the resistance between the ter-
minals. Check that the measured value is at the standard 
value.

INSIDE/OUTSIDE AIR CHANGEOVER DAMPER 
MOTOR CHECK

CAUTION

Cut off the battery voltage when the damper is in the 
inside/outside air position.

AC002855 AB

MEASUREMENT TERMINAL

STANDARD VALUE 

Ω

Between terminals 3 and 2 (LO) 2.0

Between terminals 3 and 4 (ML) 1.1

Between terminals 3 and 1 (MH) 0.37

AC002856AB

BATTERY CONNECTION

LEVER POSITION

• Connect terminal 1 to the 

positive battery terminal

• Connect terminal 2 to the 

negative battery terminal

Moves to the outside air 
position

• Connect terminal 1 to the 

positive battery terminal

• Connect terminal 4 to the 

negative battery terminal

Moves to the inside air 
position

AC002857

OUTSIDE

AIR

POSTION

INSIDE AIR POSITION

AB

EVAPORATOR ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-44

EVAPORATOR ASSEMBLY

REMOVAL AND INSTALLATION

M1552003600269

REMOVAL SERVICE POINT

.

<<A>> SUCTION PIPE OR HOSE, DISCHARGE PIPE DIS-
CONNECTION

CAUTION

Seal the hose completely, otherwise the compressor oil 
and receiver will absorb water vapor easily, possibly dam-
aging the compressor and deteriorating performance.
Plug the disconnected hose and the evaporator nipple to pre-
vent foreign material from getting into them.

INSTALLATION SERVICE POINT

.

>>A<< EVAPORATOR INSTALLATION
When replacing the evaporator, refill with a specified amount of 
compressor oil and install it (to the vehicle).

Compressor oil: SUN PAG56

Quantity: 50cm

3

(17 floz)

Pre-removal and Post-installation Operation
• Refrigerant Disconnecting and Charging (Refer to 

P.55-35

.)

• Under Cover, Glove Box Assembly Removal and Installa-

tion (Refer to GROUP 52A, Instrument Panel 

P.52A-37

.)

AC002858 AB

COMRESSOR OIL: 

SUN PAG56

PIPING

CONNECTION

3

1

2

3

4

5

6

7

N

REMOVAL STEPS

<<A>>

1.

SUCTION PIPE OR HOSE 
CONNECTION

<<A>>

2.

DISCHARGE PIPE CONNECTION

3.

O-RING

4.

DRAIN HOSE

5.

GLOVE BOX FRAME

6.

COVER

>>A<< 

7.

EVAPORATOR

REMOVAL STEPS (Continued)

EVAPORATOR ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-45

DISASSEMBLY AND ASSEMBLY

M1552003800069

AC002859

1

2

3

4

5

6

7

8

9

11

9

10

10

COMPRESSOR OIL:
SUN PAG56

10

N

N

AB

10

DISASSEMBLY STEPS

1.

AUTOMATIC COMPRESSOR 
CONTROLLER

2.

COVER

3.

CLIP

4.

EVAPORATOR COVER (UPPER)

5.

LINING, UPPER

6.

THERMOSTAT

7.

EVAPORATOR COVER (LOWER)

8.

LINING, LOWER

9.

EXPANSION VALVE

10. O-RING
11. EVAPORATOR

DISASSEMBLY STEPS (Continued)

REAR HEATER UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-46

REAR HEATER UNIT

REMOVAL AND INSTALLATION

M1551004700062

AC002860 AB

1

2

3

4

5

6

7

REAR HEATER SWITCH REMOVAL 
STEPS

1.

KNOB

2.

REAR HEATER CONTROL PANEL 
ASSEMBLY

3.

REAR HEATER SWITCH

FAN MOTOR ASSEMBLY REMOVAL 
STEPS

•

REAR FLOOR CONSOLE (REFER TO 
GROUP 52A, FLOOR CONSOLE 

P.52A-40

.)

4.

RESISTOR

•

DRAINING AND SUPPLYING OF 
COOLANT (REFER TO GROUP 14. 
ON-VEHICLE SERVICE 

P.14-2

.)

5.

REAR HEATER HOSE CONNECTION

6.

REAR HEATER CORE ASSEMBLY

7.

REAR BLOWER MOTOR ASSEMBLY