Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual - part 349

WATER HOSE AND WATER PIPE

TSB Revision

COOLING SYSTEM

14-27

 <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-

52

.]

•

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

P.15-12

.)

•

Thermostat Removal and Installation (Refer to 

P.14-21

.)

•

Distributor Removal and Installation (Refer to GROUP 16, 
Distributor 

P.16-50

.)

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

14-28

REMOVAL SERVICE POINT

<<A>> RADIATOR UPPER/LOWER HOSE 
DISCONNECTION
After making mating marks on the radiator hose and hose 
clamp, disconnect the radiator hose.

INSTALLATION SERVICE POINTS

>>A<< WATER OUTLET FITTING <2.4L Engine>/
THERMOSTAT CASE ASSEMBLY <2.4L Engine> 
INSTALLATION
Apply a continuous bead of MITSUBISHI GENUINE Sealant 
Part number MD970389 or equivalent to the thermostat 
housing 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

SPECIFICATIONS

TSB Revision

COOLING SYSTEM

14-29

>>C<< O-RING INSTALLATION

CAUTION

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

INSPECTION

M1141003400081

WATER PIPE AND HOSE CHECK

Check the water pipe and hose for cracks, damage and clogs. 
Replace them if necessary.

SPECIFIC ATIO NS

FASTENER TIGHTENING SPECIFICATIONS

M1141005000089

ACX00402

O-RING

WATER PIPE

AD

ITEM

SPECIFICATION

Radiator

A/T oil cooler hose connection bolt <A/T>

4.9 

±

 1.0 N

⋅

m (44 

±

 8 in-lb)

Radiator support bolt

12 

±

 2 N

⋅

m (100 

±

 22 in-lb)

Reserve tank bolt

12 

±

 2 N

⋅

m (100 

±

 22 in-lb)

Thermostat

Water inlet fitting bolt <2.4L ENGINE>

13 

±

 2 N

⋅

m (109 

±

 21 in-lb)

Water inlet fitting bolt <3.0L ENGINE>

19 

±

 1 N

⋅

m (13 

±

 1 ft-lb)

Water pump <2.4L ENGINE>

Generator bolt

23 

±

 2 N

⋅

m (16 

±

 2 ft-lb)

Generator brace bolt

23 

±

 3 N

⋅

m (17 

±

 3 ft-lb)

Water pump bolt

14 

±

 1 N

⋅

m (117 

±

 13 in-lb)

Water pump <3.0L ENGINE>

Water pump bolt

23 

±

 3 N

⋅

m (17 

±

 3 ft-lb)

Water pump bracket bolt

23 

±

 3 N

⋅

m (17 

±

 3 ft-lb)

Water pump gasket bolt

41 

±

 8 N

⋅

m (30 

±

 6 ft-lb)

Water hose and water pipe <2.4L ENGINE>

Thermostat case bolt

23 

±

 4 N

⋅

m (17 

±

 3 ft-lb)

Water inlet fitting bolt

13 

±

 2 N

⋅

m (109 

±

 21 in-lb)

Water inlet pipe assembly bolt

13 

±

 2 N

⋅

m (109 

±

 21 in-lb)

SPECIFICATIONS

TSB Revision

COOLING SYSTEM

14-30

SERVICE SPECIFICATIONS

M1141000300085

LUBRICANT

M1141000400060

SEALANT

M1141000500067

Water outlet fitting bolt

13 

±

 2 N

⋅

m (109 

±

 21 in-lb)

Water hose and water pipe <3.0L ENGINE>

Heater inlet pipe bolt

19 

±

 1 N

⋅

m (13 

±

 1 ft-lb)

Thermostat housing bolt

19 

±

 1 N

⋅

m (13 

±

 1 ft-lb)

Water inlet pipe assembly bolt

14 

±

 1 N

⋅

m (117 

±

 13 in-lb)

Water outlet fitting bolt

19 

±

 1 N

⋅

m (13 

±

 1 ft-lb)

ITEM

SPECIFICATION

ITEMS

STANDARD VALUE

LIMIT

High-pressure valve opening pressure of radiator cap kPa (psi)

73 

−

 103 (11 

−

 15)

64 (9.2)

Thermostat

Valve opening temperature of thermostat 

°

C (

°

F) 88 

±

 1.5 (190 

±

 3)

-

Full-opening temperature of thermostat 

°

C (

°

F)

100 (212)

-

Valve lift mm (in)

2.4L Engine

8.5 (0.33) or more

-

3.0L Engine

9.0 (0.35) or more

-

ITEMS

QUANTITY dm

3

 (qt)

Mitsubishi Genuine Coolant or equivalent

2.4L Engine

7.0 (7.4)

3.0L Engine

8.0 (8.5)

ITEMS

SPECIFIED SEALANT

REMARKS

Thermostat case <2.4L Engine>, 
Water outlet fitting <2.4L Engine>

MITSUBISHI GENUINE Part No. 
MD970389 or equivalent

Semi-drying sealant