Mitsubishi Montero (2002-2004). Manual - part 69

REAR A/C CONTROL UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-139

REAR A/C CONTROL UNIT

REMOVAL AND INSTALLATION

M1554010000038

ACX01453

AE

1, 2, 3

REMOVAL STEPS

1.

REAR HEATER CONTROL UNIT

2.

REAR COOLER CONTROL UNIT

3.

REAR A/C CONTROL UNIT

REMOVAL STEPS (Continued)

REAR HEATER UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-140

REAR HEATER UNIT

REMOVAL AND INSTALLATION

M1554010200021

AC001676 AC

6

5

1

N

2

3

4

14 ± 0.5 N·m
124 ± 4 in-lb

33 ± 1 N·m
24 ± 1 ft-lb

PIPE CONNECTIONS

O-RING

2, 3

A/C COMPRESSOR OIL:
DENSO OIL 8

7

REAR HEATER UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-141

REMOVAL SERVICE POINT

.

<<A>> SUCTION PIPE C/LIQUID PIPE D REMOVAL

CAUTION

Seal the hoses 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 rear heater unit nipple to pre-
vent foreign matter from getting into them.

REAR HEATER UNIT REMOVAL 
STEPS

•

REFRIGERANT DISCHARGE AND 
REFILLING <VEHICLES WITH 
REAR COOLER OR REAR A/C> 
(REFER TO 

P.55A-119

.)

•

ENGINE COOLANT DRAINING 
AND REFILLING <VEHICLES 
WITH REAR HEATER OR REAR 
A/C> (REFER TO GROUP 00, 
MAINTENANCE SERVICE - 
ENGINE COOLANT 

P.00-44

.)

•

REAR MUD GUARD (REFER TO 
GROUP 51, MUD GUARD 

P.51-

16

.)

1.

HEATER UNDER COVER

<<A>>

2.

SUCTION PIPE C <VEHICLES 
WITH REAR COOLER OR REAR 
A/C>

<<A>>

3.

LIQUID PIPE D <VEHICLES WITH 
REAR COOLER OR REAR A/C>

4.

O-RING <VEHICLES WITH REAR 
COOLER OR REAR A/C>

5.

HEATER HOSES <VEHICLES 
WITH REAR HEATER OR REAR 
A/C>

6.

REAR HEATER UNIT
REAR BLOWER ASSEMBLY 
REMOVAL STEPS

•

UPPER QUARTER TRIM (RH) 
AND LOWER QUARTER TRIM 
(RH) (REFER TO GROUP 52A, 
TRIMS 

P.52A-8

.)

•

REAR QUARTER DUCT, REAR 
FLOOR DUCT A MOUNTING 
BOLT AND PILLAR DUCT 
MOUNTING BOLT (REFER TO 

P.55A-156

.)

7.

REAR BLOWER ASSEMBLY

REAR HEATER UNIT REMOVAL 
STEPS (Continued)

REAR HEATER UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-142

REAR HEATER UNIT DISASSEMBLY AND ASSEMBLY

M1554010300028

AC001677AB

9

10

9

8

7

5

4

3

2

1

N

N

N

6

DISASSEMBLY STEPS

1.

TUBE ACCESSORY ASSEMBLY 
<VEHICLES WITH REAR COOLER 
OR REAR A/C>

2.

HEATER COVER

3.

HARNESS ASSEMBLY

4.

AIR MIX DAMPER MOTOR 
<VEHICLES WITH REAR HEATER 
OR REAR A/C>

5.

AIR THERMO SENSOR 
<VEHICLES WITH REAR COOLER 
OR REAR A/C>

6.

HEATER CORE <VEHICLES WITH 
REAR HEATER OR REAR A/C>

7.

JOINT <VEHICLES WITH REAR 
COOLER OR REAR A/C>

8.

EXPANSION VALVE <VEHICLES 
WITH REAR COOLER OR REAR A/
C>

9.

HEATER CASE

10. EVAPORATOR <VEHICLES WITH 

REAR COOLER OR REAR A/C>

DISASSEMBLY STEPS