Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual - part 348

WATER PUMP

TSB Revision

COOLING SYSTEM

14-23

WATER  PU M P

REMOVAL AND INSTALLATION 

M1141002700108

<2.4L ENGINE>

Pre-removal and Post-installation Operation

•

Engine Coolant Draining and Supplying [Refer to GROUP 
00, Maintenance Service - Engine Coolant (Change) 

P.00-52

.]

•

Timing Belt Tensioner Pulley Removal and Installation 
(Refer to GROUP 11A, Timing Belt 

P.11A-31

.)

AC001549

23 ± 2 N·m
16 ± 2 ft-lb

23 ± 3 N·m
17 ± 3 ft-lb 14 ± 1 N·m

117 ± 13 in-lb

1

2

3

4

N

N

AB

REMOVAL STEPS

1.

GENERATOR BRACE

>>B<<

2.

WATER PUMP ASSEMBLY

3.

WATER PUMP GASKET

>>A<<

4.

O-RING

REMOVAL STEPS (Continued)

WATER PUMP

TSB Revision

COOLING SYSTEM

14-24

 <3.0L ENGINE>

INSTALLATION SERVICE POINTS

>>A<< O-RING INSTALLATION

CAUTION

•

Care must be taken not to permit engine oil or other 
grease to adhere to the O-ring.

•

When inserting the pipe, check to be sure that there is 
no sand, dirt, etc. on its inner surface.

Rinse the mounting location of O-ring and water pipe with 
water, and install the O-ring and water pipe.

Pre-removal and Post-installation Operation

•

Engine Coolant Draining and Supplying [Refer to GROUP 
00, Maintenance Service - Engine Coolant (Change) 

P.00-52

.]

•

Timing Belt Removal and Installation (Refer to GROUP 
11C, Timing Belt 

P.11C-32

.)

AC000280

1

2

3

23 ± 3 N·m
17 ± 3 ft-lb

23 ± 3 N·m
17 ± 3 ft-lb

41 ± 8 N·m
30 ± 6 ft-lb

AB

N

N

4

REMOVAL STEPS

•

THERMOSTAT (REFER TO 

P.14-

21

.)

1.

BRACKET

>>B<<

2.

WATER PUMP ASSEMBLY

3.

WATER PUMP GASKET

>>A<<

4.

O-RING

REMOVAL STEPS (Continued)

ACX00402

O-RING

WATER PIPE

AD

WATER PUMP

TSB Revision

COOLING SYSTEM

14-25

>>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)

68 

×

 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

14-26

WATER HO SE A N D  WATER PIPE

REMOVAL AND INSTALLATION

M1141003300084

 <2.4L ENGINE>

Pre-removal and Post-installation Operation

•

Engine Coolant Draining and Supplying [Refer to GROUP 
00, Maintenance Service - Engine Coolant (Change) 

P.00-52

.]

•

Thermostat Removal and Installation (Refer to 

P.14-21

.)

•

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

P.15-15

.)

AC000282

SEALANT:
MITSUBISI 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)