Mitsubishi Eclipse. Manual - part 656

WATER PUMP

TSB Revision

COOLING SYSTEM

14-27

>>B<< WATER PUMP ASSEMBLY INSTALLATION

NO.

HARDNESS 
CATEGORY 
(HEAD MARK)

BOLT DIAMETER (D) 

× 

LENGTH (L) mm (in)

1

4T

8 

×14 (0.3 × 0.6)

2

8 

× 22 (0.3 × 0.9)

3

8 

× 25 (0.3 × 1.0)

4

7T

8 

× 14 (0.3 × 0.6)

5

8 

× 20 (0.3 × 0.8)

6

8 

× 25 (0.3 × 1.0)

7

8 

× 60 (0.3 × 2.4)

8

10 

× 38 (0.4 ×1.5)

AC000281

L

D

7

2

1

2

3

4

6

6

6

5

6

8

<3.0L ENGINE>

<2.4L ENGINE>

AB

WATER HOSE AND WATER PIPE

TSB Revision

COOLING SYSTEM

14-28

WATER HOSE AND WATER PIPE

REMOVAL AND INSTALLATION

M1141003300448

 <2.4L ENGINE>

Pre-removal and Post-installation Operation
• Engine Coolant Draining and Supplying [Refer to GROUP 00, Maintenance Service − Engine Coolant (Change) 

P.00-58

.]

• Thermostat Removal and Installation (Refer to 

P.14-23

.)

• Exhaust Manifold Removal and Installation (Refer to GROUP 15, Exhaust Manifold 

P.15-18

.)

AC000282

SEALANT:
MITSUBISHI GENUINE PART NO.
MD970389 OR EQUIVALENT

6

4

11

9

5

1

2

3

8

7

6

12

13

13

13 ± 2 N·m
109 ± 21 in-lb

13 ± 2 N·m
109 ± 21 in-lb

13 ± 2 N·m
109 ± 21 in-lb

10

23 ± 4 N·m
17 ± 3 ft-lb

AB

φ

3 mm

(0.12 in)

φ

3 mm

(0.12 in)

N

N

REMOVAL STEPS

<<A>> >>B<<

1.

RADIATOR LOWER HOSE 
CONNECTION

2.

WATER INLET FITTING

3.

ENGINE COOLANT 
TEMPERATURE GAUGE UNIT 
CONNECTOR

4.

WATER HOSE

5.

HEATER HOSE CONNECTION

>>A<<

6.

THERMOSTAT CASE 
ASSEMBLY

>>C<<

7.

O-RING

8.

HEATER HOSE CONNECTION

9.

WATER HOSE

10. WATER INLET PIPE ASSEMBLY

>>C<<

11. O-RING

<<A>> >>B<<

12. RADIATOR UPPER HOSE 

CONNECTION

>>A<<

13. WATER OUTLET FITTING

REMOVAL STEPS (Continued)

WATER HOSE AND WATER PIPE

TSB Revision

COOLING SYSTEM

14-29

 <3.0L ENGINE>

Pre-removal and Post-installation Operation
• Engine Coolant Draining and Supplying [Refer to GROUP 00, Maintenance Service − Engine Coolant (Change) 

P.00-58

.]

• Intake Manifold Removal and Installation (Refer to GROUP15, Intake Manifold 

P.15-15

.)

• Thermostat Removal and Installation (Refer to 

P.14-23

.)

• Distributor Removal and Installation (Refer to GROUP 16, Distributor 

P.16-52

.)

AC000283

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

13

15

19 ± 1 N·m
13 ± 1 ft-lb

19 ± 1 N·m
13 ± 1 ft-lb

14 ± 1 N·m
117 ± 13 in-lb

N

N

N

N

N

N

AB

REMOVAL STEPS

<<A>> >>B<<

1.

RADIATOR UPPER HOSE 
CONNECTION

<<A>> >>B<<

2.

RADIATOR LOWER HOSE 
CONNECTION

3.

WATER HOSE CONNECTION

4.

HEATER HOSE CONNECTION

5.

HEATER INLET PIPE A

>>C<<

6.

O-RING

7.

HEATER INLET PIPE B

>>C<<

8.

O-RING

9.

WATER HOSE

10. WATER OUTLET FITTING
11. WATER HOSE
12. THERMOSTAT HOUSING 

ASSEMBLY

13. GASKET
14. WATER INLET PIPE

>>C<<

15. O-RING

REMOVAL STEPS (Continued)

WATER HOSE AND WATER PIPE

TSB Revision

COOLING SYSTEM

14-30

REMOVAL SERVICE POINT

.

<<A>> RADIATOR UPPER/LOWER HOSE DISCONNEC-
TION
Make mating marks on the radiator hose and hose clamp. Dis-
connect the radiator hose.

INSTALLATION SERVICE POINTS

.

>>A<< WATER OUTLET FITTING <2.4L Engine>/THERMO-
STAT CASE ASSEMBLY <2.4L Engine> INSTALLATION
Apply a continuous bead of MITSUBISHI GENUINE Sealant 
Part number MD970389 or equivalent to the thermostat hous-
ing mating surface.

.

>>B<< RADIATOR UPPER/LOWER 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.

.

ACX01828

MATING MARKS

AB

AC000284 AB

WATER OUTLET
FITTING OR
THERMOSTAT
CASE ASSEMBLY

ACX01829AB

PROJECTION

WATER OUTLET
FITTING

MATING
MARKS