Mitsubishi Eclipse. Manual — part 657

SPECIFICATIONS

TSB Revision

COOLING SYSTEM

14-31

>>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

M1141003400166

Water Pipe and Hose Check

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

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

M1141005000164

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

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COOLING SYSTEM

14-32

SERVICE SPECIFICATIONS

M1141000300386

COOLANT

M1141000400350

SEALANT

M1141000500346

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

ITEM

STANDARD VALUE LIMIT

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

93

− 123 (14 − 18)

83 (12)

Thermostat Valve opening

temperature of
thermostat

°C (°F)

2.4L Engine

88

± 1.5 (190 ± 3)

-

3.0L Engine Vehicle without variable

induction system

88

± 1.5 (190 ± 3)

-

Vehicle with variable
induction system

82

± 1.5 (180 ± 3)

-

Full-opening
temperature of
thermostat

°C (°F)

2.4L Engine

100 (212)

-

3.0L Engine Vehicle without variable

induction system

100 (212)

-

Vehicle with variable
induction system

95 (203)

-

Valve lift mm (in)

2.4L Engine

8.5 (0.33) or more

-

3.0L Engine

9.0 (0.35) or more

-

ITEM

QUANTITY dm

3

(qt)

Mitsubishi Genuine Coolant or equivalent

2.4L Engine

7.0 (7.4)

3.0L Engine

8.0 (8.5)

ITEM

SPECIFIED SEALANT

REMARK

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

MITSUBISHI GENUINE Part No.
MD970389 or equivalent

Semi-drying sealant

15-1

GROUP 15

INTAKE AND

EXHAUST

CONTENTS

GENERAL DESCRIPTION. . . . . . . . .

15-2

INTAKE AND EXHAUST DIAGNOSIS

15-2

INTRODUCTION. . . . . . . . . . . . . . . . . . . . .

15-2

TROUBLESHOOTING STRATEGY . . . . . .

15-2

SYMPTOM CHART. . . . . . . . . . . . . . . . . . .

15-2

SYMPTOM PROCEDURES . . . . . . . . . . . .

15-2

SPECIAL TOOL . . . . . . . . . . . . . . . . .

15-3

ON-VEHICLE SERVICE. . . . . . . . . . .

15-4

INTAKE MANIFOLD TUNING SYSTEM CHECK
<3.0L ENGINE

− WITH INTAKE MANIFOLD

TUNING SYSTEM> . . . . . . . . . . . . . . . . . .

15-4

INTAKE MANIFOLD TUNING SOLENOID
CHECK <3.0L ENGINE

− WITH INTAKE

MANIFOLD TUNING SYSTEM>. . . . . . . . .

15-4

VACUUM TANK CHECK <3.0L ENGINE

−

WITH INTAKE MANIFOLD TUNING SYSTEM>

15-5

AIR CLEANER . . . . . . . . . . . . . . . . . .

15-6

REMOVAL AND INSTALLATION . . . . . . . .

15-6

INTAKE MANIFOLD PLENUM . . . . .

15-7

REMOVAL AND INSTALLATION . . . . . . . .

15-7

INTAKE MANIFOLD
<2.4L ENGINE> . . . . . . . . . . . . . . . . .

15-12

REMOVAL AND INSTALLATION . . . . . . . .

15-12

INSPECTION . . . . . . . . . . . . . . . . . . . . . . .

15-14

INTAKE MANIFOLD
<3.0L ENGINE> . . . . . . . . . . . . . . . . .

15-15

REMOVAL AND INSTALLATION . . . . . . . .

15-15

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .

15-17

EXHAUST MANIFOLD
<2.4L ENGINE> . . . . . . . . . . . . . . . . .

15-18

REMOVAL AND INSTALLATION . . . . . . . .

15-18

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .

15-19

EXHAUST MANIFOLD
<3.0L ENGINE> . . . . . . . . . . . . . . . . .

15-20

REMOVAL AND INSTALLATION . . . . . . . .

15-20

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .

15-21

EXHAUST PIPE, MAIN MUFFLER AND
CATALYTIC CONVERTER
<2.4L ENGINE> . . . . . . . . . . . . . . . . .

15-22

REMOVAL AND INSTALLATION . . . . . . . .

15-22

EXHAUST PIPE, MAIN MUFFLER AND
CATALYTIC CONVERTER
<3.0L ENGINE> . . . . . . . . . . . . . . . . .

15-24

REMOVAL AND INSTALLATION . . . . . . . .

15-24

SPECIFICATIONS . . . . . . . . . . . . . . .

15-25

FASTENER TIGHTENING
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . .

15-25

SERVICE SPECIFICATION . . . . . . . . . . . .

15-28

GENERAL DESCRIPTION

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INTAKE AND EXHAUST

15-2

GENERAL DESCRIPTION

M1151000100242

The exhaust pipe is divided into five <3.0L Engine>
or four <2.4L Engine> parts.

INTAKE AND EXHAUST DIAGNOSIS

INTRODUCTION

M1151006900202

The occurrence of exhaust leakage or abnormal
noise is caused by cracks or strain in the gasket, or
by when the exhaust pipe or muffler is damaged due
to impacts during travel. The exhaust leaks from
these sections and causes the exhaust noise to
increase. There may be cases when there is interfer-
ence with the body and vibration noise is generated.

TROUBLESHOOTING STRATEGY

M1151007000202

Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure that you
have exhausted most of the possible ways to find an
intake or exhaust fault.
1. Gather information from the customer.

2. Verify that the condition described by the

customer exists.

3. Find the malfunction by following the SYMPTOM

CHART.

4. Verify malfunction is eliminated.

SYMPTOM CHART

M1151007100191

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: Exhaust Leakage

DIAGNOSIS

STEP 1. Start the engine. Have an assistant stay
in the driver’s seat. Raise the vehicle on a hoist.
Have the assistant rev the engine while
searching for exhaust leaks.

Q: Is the exhaust leaking?

YES :

Go to Step 2.

NO :

This diagnosis is complete.

STEP 2. Check the gasket for cracks, damage.

Q: Is the gasket damaged?

YES :

Replace the gasket, then go Step 1.

NO :

Go to Step 3.

STEP 3. Check for loosening in each coupling
section.

Q: Is there any loosening in each section?

YES :

Tighten, then go to Step 1.

NO :

There is no action to be taken.

SYMPTOMS

INSPECTION PROCEDURE

REFERENCE PAGE

Exhaust Leakage

1

P.15-2

Abnormal Noise

2

P.15-3