Mitsubishi L200. Manual - part 209

THERMOSTAT

ENGINE COOLING

14-8

INSPECTION

M1141002500676

THERMOSTAT CHECK

ACX00400AB

1. Immerse the thermostat in water, and heat the 

water while stirring. Check the thermostat valve 
opening temperature.

Standard value: 82 

± 2°C

ACX00401AC

Valve lift

2. Check that the amount of valve lift is at the 

standard value when the water is at the full-
opening temperature.
NOTE: Measure the valve height when the ther-
mostat is fully closed, and use this measurement 
to compare the valve height when the thermostat 
is fully open.

Standard value:

Full-opening temperature: 95

°C

Amount of valve lift: 10 mm or more

WATER PUMP

ENGINE COOLING

14-9

WATER PUMP

REMOVAL AND INSTALLATION

M1141002702342

Pre-removal Operation
• Engine Coolant Draining (Refer to 

P.14-4

).

• Timing Belt and Timing Belt B Removal (Refer to GROUP 

11A 

− Timing Belt ).

• Thermostat Removal (Refer to 

P.14-7

).

Post-installation Operation
• Thermostat Installation (Refer to 

P.14-7

).

• Timing Belt and Timing Belt B Installation (Refer to 

GROUP 11A 

− Timing Belt ).

• Engine Coolant Refilling (Refer to 

P.14-4

).

AC502983AB

1

3

10 ± 2 N·m

2

N

4

N

5

N

24 ± 3 N·m

Removal steps 

1.

Water pump inlet fitting plate

2.

Water pump inlet fitting gasket

•

Oil hose and oil pipe (Refer to 
GROUP 11A 

− Vacuum Pump ).

3.

Water pump

4.

Water pump gasket

>>

A

<<

5.

O-ring

INSTALLATION SERVICE POINT

>>A<< O-RING INSTALLATION

AC103005

Water pump

O-ring

Water pipe

AG

Fit the O-ring to the groove in the water pipe. Then 
lubricate the O-ring and the inside of the water pump 
with water, and then insert the water pipe to the 
water pump.

WATER HOSE AND WATER PIPE

ENGINE COOLING

14-10

WATER HOSE AND WATER PIPE

REMOVAL AND INSTALLATION

M1141003304138

Pre-removal and Post-installation Operation
• Engine Coolant Draining and Refilling (Refer to 

P.14-4

).

<Except Euro5>

AC502984 AB

1

7

3

N

12

9

2

54 ± 4 N·m

11

5

6

N

8

4

N

14

13

24 ± 3 N·m

53 ± 7 N·m

11 ± 1 N·m

11 ± 1 N·m

53 ± 7 N·m

39 ± 5 N·m

10

3.0 ± 0.5 N·m

24 ± 3 N·m

Removal steps 

•

Under skid plate and engine room 
under cover (Refer to GROUP 51 
− Under Cover ).

•

Air cleaner assembly (Refer to 
GROUP 15 

− Air Cleaner ).

1.

Engine cover

2.

Water pipe B

3.

Gasket

4.

Water hose

5.

Water pipe C

6.

Gasket

7.

Water hose

8.

Water hose

9.

Water hose

10. Water pipe D
11. Joint
12. Heater piping hose connection

>>

E

<< 13. Water pipe

>>

E

<< 14. O-ring

Removal steps (Continued)

AC502985AD

15

20

24 ± 3 N·m

21

N

22

16

19

18

17

24 ± 3 N·m

24 ± 3 N·m

50 ± 5 N·m

11 ± 1 N·m

24 ± 3 N·m

30 ± 9 N·m

Removal steps 

•

Inlet manifold (Refer to GROUP 
15 

− Inlet Manifold ).

15. Water pipe A
16. Water hose

>>

D

<< 17. Front upper case stiffener

>>

C

<< 18. Engine coolant temperature gauge 

unit

<<

A

>> >>

B

<< 19. Engine coolant temperature 

sensor

<<

B

>> >>

A

<< 20. Radiator upper hose connection

21. Cooling water outlet hose fitting
22. Cooling water outlet hose fitting 

gasket

WATER HOSE AND WATER PIPE

ENGINE COOLING

14-11

Removal steps (Continued)