Mitsubishi Evolution X. Manual - part 1292

HEATER CONTROL UNIT

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-119

REPLACE THE CLEAN AIR FILTER

M1552020100289

1. Remove the glove box (Refer to GROUP 52A 

− glove box, 

P.52A-6

).

2. Loosen the two lugs as shown to replace the clean air filter.
3. Install the glove box.

HEATER CONTROL UNIT

REMOVAL AND INSTALLATION

M1554014700437

AC611715AB

Pre-removal and Post-installation Operation
• Side cover, Instrument panel garnish, Upper panel 

Removal and Installation (Refer to GROUP 52A, Instru-

ment Panel 

P.52A-2

).

• Floor console Removal and Installation (Refer to GROUP 

52A, Floor console 

P.52A-9

).

AC608191

1

2

AB

Removal steps 

1.

Instrument panel center lower 
(Refer to GROUP 52A, Instrument 
panel center panel 

P.52A-7

)

2.

Heater control

HEATER UNIT AND BLOWER ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-120

HEATER UNIT AND BLOWER ASSEMBLY

REMOVAL AND INSTALLATION

M1552020800459

WARNING

•

Before removing the steering wheel assembly and driver's air bag module/knee air bag 
module, always refer to GROUP 52B 

−

 Service Precautions 

P.52B-25

 and Air bag Module 

and Clock Spring 

P.52B-386

 or Knee Air bag Module 

P.52B-398

.)

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

Discharging 

P.55-114

).

• Engine coolant Draining and Refilling (Refer to GROUP 

00, Engine coolant 

P.00-73

).

• Steering Column Shaft Assembly Removal and Installa-

tion (Refer to GROUP 37, Steering Shaft 

P.37-26

).

• Instrument Panel Removal and Installation (Refer to 

GROUP 52A, Instrument Panel 

P.52A-2

).

• Floor console Removal and Installation (Refer to GROUP 

52A, Floor console 

P.52A-9

).

HEATER UNIT AND BLOWER ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-121

AC608202

3

3, 4

A/C compressor oil:
  SUN PAG 56

-Pipe coupling

5

4

5

7

8

4.9 ± 0.9 N·m
43 ± 8 in-lb

20 ± 5 N·m
15 ± 3 ft-lb

23 ± 6 N·m
17 ± 4 ft-lb

20 ± 5 N·m
15 ± 3 ft-lb

18 ± 7 N·m
13 ± 3 ft-lb

18 ± 7 N·m
13 ± 3 ft-lb

6

N

1

2

AD

7.0 ± 3.0 N·m
62 ± 27 in-lb

11 ± 4 N·m
98 ± 35 in-lb

11 ± 4 N·m
98 ± 35 in-lb

Removal steps 

1.

Dash panel heat protector

2.

Heater hose connection

<<

A

>>

3.

Flexible suction hose connection

<<

A

>>

4.

Liquid pipe B connection

5.

O-ring

6.

Front deck crossmember

7.

Drain hose

<<

B

>>

8.

Heater unit

Removal steps (Continued)

HEATER UNIT AND BLOWER ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55-122

REMOVAL SERVICE POINTS

.

<<A>> SUCTION PIPE AND LIQUID PIPE DISCON-
NECTION

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.

.

<<B>> HEATER UNIT AND DECK 
CROSSMEMBER ASSEMBLY REMOVAL

Disconnect the following connectors to gain access to the front 
deck crossmember.

Connector 
number

Connector name

C-23

Instrument panel wiring harness and floor 
wiring harness combination

C-24

Instrument panel wiring harness and floor 
wiring harness combination

C-33

Instrument panel wiring harness and console 
wiring harness combination

C-41

Instrument panel wiring harness and floor 
wiring harness combination

C-42

Instrument panel wiring harness and floor 
wiring harness combination

C-116

Instrument panel wiring harness and front door 
wiring harness (RH) combination

C-117

Instrument panel wiring harness and front door 
wiring harness (RH) combination

C-128

Instrument panel wiring harness and front door 
wiring harness (LH) combination

C-129

Instrument panel wiring harness and front door 
wiring harness (LH) combination

C-130

Instrument panel wiring harness and front 
wiring harness combination

C-131

Instrument panel wiring harness and front 
wiring harness combination

C-132

Instrument panel wiring harness and front 
wiring harness combination

C-133

Instrument panel wiring harness and roof wiring 
harness combination

AC708950

C-131

BM

C-130

C-42

C-41

C-129

C-128

C-132

C-133

AC708951

C-24

C-23

BZ

C-34

C-117

C-116