Mitsubishi Outlander (2003+). Manual - part 129

WATER HOSE AND WATER PIPE

ENGINE COOLING

14-27

REMOVAL AND INSTALLATION <4G69>

M1141003300567

REMOVAL SERVICE POINT

<<A>> RADIATOR UPPER HOSE 
DISCONNECTION

After making mating marks on the radiator hose and 
hose clamp, disconnect the radiator hose.

Pre-removal and Post-installation Operation

•

Engine Coolant Draining and Supplying (Refer to 

P.14-17

).

•

Air Cleaner Removal and Installation (Refer to GROUP 

15, Air Cleaner 

P.15-4

).

•

Thermostat Removal and Installation (Refer to 

P.14-20

).

AC309470 AB

13 ± 2 N·m

11 ± 1 N·m

5.0 ± 1.0 N·m

24 ± 4 N·m

24 ± 4 N·m

13 ± 2 N·m

1

2

3

4

5

6

7

8

9

10

11

12

13

14

N

N

14

Removal steps

<<A>> >>C<<

1.

Radiator upper hose connection

2.

Radiator hose clamp

3.

Control wiring harness connection 
bracket

>>B<<

4.

Water outlet fitting

5.

Heater hose connection

6.

Water return hose

7.

Engine coolant temperature gauge 
unit

>>B<<

8.

Thermostat case assembly

9.

Heater hose connection

10. Harness clamp
11. Water feed hose
12. Transfer water return hose 

connection

13. Water inlet pipe assembly

>>A<<

14. O-ring

AC200641AC

Mating marks

WATER HOSE AND WATER PIPE

ENGINE COOLING

14-28

INSTALLATION SERVICE POINTS

>>A<< O-RING INSTALLATION

CAUTION

Do not allow engine oil or other grease to adhere 
to the O-ring
Insert the O-ring to the water pipe, and coat the outer 
portion of the O-ring with water or engine coolant.

>>B<< THERMOSTAT CASE ASSEMBLY/WATER 
OUTLET FITTING INSTALLATION
1. Use a gasket scraper or wire brush to completely 

eliminate all gasket material on the gasket 
mounting surface.

2. Apply a bead of the sealant to the cylinder head 

mating surface of the thermostat case as shown.

Specified Sealant: Mitsubishi Genuine Part 
No.MD970389 or equivalent

3. Apply sealant to the thread of the thermostat case 

assembly bolts as shown.

Specified Sealant: 3M Stud Locking 4170 or 
equivalent

4. With the sealant still wet (within 15 minutes after 

the sealant is applied), install the thermostat case. 
Do not apply the sealant in an area more than the 
required.

>>C<< RADIATOR UPPER HOSE CONNECTION

1. Insert each hose as far as the projection of the 

water outlet fitting.

2. Align the mating marks on the radiator hose and 

hose clamp, and then connect the radiator hose.

INSPECTION

M1141003400274

WATER PIPE AND HOSE CHECK
Check the water pipe and hose for cracks, damage 
and clogs. Replace them if necessary.

AC200644 AC

O-ring

Water inlet pipe

Water pump or thermostat case

AC305204

Thermostat case
assembly

Water outlet
fitting

Ø3 mm

AF

AC303724AE

Thermostat case assembly

AC200642

Mating marks

Projection

Water inlet pipe,
water outlet fitting
or radiator

AC

RADIATOR

ENGINE COOLING

14-29

RADIATOR

REMOVAL AND INSTALLATION

M1141001500565

<4G63>

Pre-removal Operation

•

Engine Coolant Draining (Refer to 

P.14-17

).

•

Air Cleaner Removal (Refer to GROUP 15, Air Cleaner 

P.15-3

<4G63>, 

P.15-4

<4G69>).

Post-installation Operation

•

Air Cleaner Installation (Refer to GROUP 15, Air Cleaner 

P.15-3

<4G63>, 

P.15-4

<4G69>).

•

Engine Coolant Refilling and Level Check (Refer to 

P.14-17

).

AC309199

12 ± 2 N·m

12 ± 2 N·m

9

9

3

10

7

5

4

1

2

11

11

8

14

15

16

13

6

12

N

AB

Radiator removal steps

1.

Drain plug

2.

O-ring

3.

Radiator cap

4.

Rubber hose

5.

Reserve tank assembly

6.

Fan controller connector

<<A>>

>>A<<

7.

Radiator upper hose

<<A>>

>>A<<

8.

Radiator lower hose

9.

Upper insulator

10. Radiator assembly
11. Lower insulator

12. Fan controller
13. Cooling fan assembly

Radiator fan motor removal 
steps

4.

Rubber hose

6.

Fan controller connector

<<A>>

>>A<<

7.

Radiator upper hose

13. Cooling fan assembly
14. Radiator fan
15. Radiator fan motor
16. Shroud assembly

Radiator removal steps 

RADIATOR

ENGINE COOLING

14-30

<4G69>

REMOVAL SERVICE POINT

<<A>> RADIATOR UPPER HOSE/RADIATOR 
LOWER HOSE DISCONNECTION

Make mating marks on the radiator hose and the 
hose clamp. Disconnect the radiator hose.

AC309197

13

19

8

9

14

18

10

1

2

N

3

11

11

12

7

4

5

12 ± 2 N·m

12 ± 2 N·m

6

16

20

22

21

17

15

AB

5.0 ± 1.0 N·m

5.0 ± 1.0 N·m

5.0 ± 1.0 N·m

5.0 ± 1.0 N·m

Radiator removal steps

1.

Drain plug

2.

O-ring

3.

Radiator cap

4.

Rubber hose

5.

Reserve tank assembly

6.

Fan controller connector

<<A>>

>>A<<

7.

Radiator upper hose

<<A>>

>>A<<

8.

Radiator lower hose

9.

Radiator hose clamp

10. Transmission fluid cooler hose 

connection

11. Upper insulator
12. Radiator assembly
13. Lower insulator
14. Transmission fluid cooler hose
15. Condenser fan assembly
16. Fan controller
17. Radiator fan assembly
18. Oil cooler hose
19. Oil cooler tube assembly

Radiator fan motor removal 
steps

4.

Rubber hose

6.

Fan controller connector

<<A>>

>>A<<

7.

Radiator upper hose

15. Condenser fan assembly

16. Fan controller
17. Radiator fan assembly
20. Radiator fan
21. Radiator fan motor
22. Shroud assembly

Radiator fan motor removal 
steps (Continued)

AC200641AC

Mating marks