Mitsubishi Eclipse. Manual - part 662

EXHAUST MANIFOLD <2.4L ENGINE>

TSB Revision

INTAKE AND EXHAUST

15-19

REMOVAL SERVICE POINT

.

<<A>> HEATED OXYGEN SENSOR (FRONT) REMOVAL
Use special tool MD998770 to remove the oxygen sensor.

INSTALLATION SERVICE POINT

.

>>A<< HEATED OXYGEN SENSOR (FRONT) INSTALLA-
TION
Use special tool MD998770 to installation the oxygen sensor.

INSPECTION

M1151003400521

Check the following points; replace the part if a problem is 
found.

Exhaust Manifold Check

1. Check for damage or cracking of any part.
2. Using a straight edge and a feeler gauge, check for 

distortion of the cylinder head installation surface.

Standard value: 0.15 mm (0.006 inch) or less 
Limit: 0.20 mm (0.008 inch)

ACX02426 AB

MD998770

ACX02426 AB

MD998770

EXHAUST MANIFOLD <3.0L ENGINE>

TSB Revision

INTAKE AND EXHAUST

15-20

EXHAUST MANIFOLD <3.0L ENGINE>

REMOVAL AND INSTALLATION

M1151003300557

Pre-removal and Post-installation Operation
• Front Exhaust Pipe Removal and Installation (Refer to 

P.15-24

.)

• Strut Tower Bar Removal and Installation (Refer to GROUP 42, Strut Tower Bar 

P.42-11

.)

• Air Cleaner Removal and Installation (Refer to 

P.15-6

.)

• Engine Oil Dipstick Guide, Transmission Fluid Dipstick Guide Removal and Installation

• Battery and Battery Tray Removal and Installation (Refer to GROUP 54A, Battery 

P.54A-8

.)

AC106420

< Vehicle without
   Intake Manifold 
Tuning (IMT) System >

AC

14 ± 1 N·m
120 ± 13 in-lb

14 ± 1 N·m
120 ± 13 in-lb

14 ± 1 N·m
120 ± 13 in-lb

N

18 ± 2 N·m
13 ± 2 ft-lb

59 ± 10 N·m
44 ± 7 ft-lb

59 ± 10 N·m
44 ± 7 ft-lb

8

N

7

14 ± 1 N·m
120 ± 13 in-lb

10

7

12

44 ± 5 N·m
33 ± 3 ft-lb

9

11

14 ± 1 N·m
120 ± 13 in-lb

13

N

14 ± 1 N·m
120 ± 13 in-lb

1

3

4

5

N

6

14 ± 1 N·m
120 ± 13 in-lb

44 ± 5 N·m
33 ± 3 ft-lb

2

44 ± 5 N·m
33 ± 3 ft-lb

< Vehicle with
 Intake Manifold 
Tuning (IMT) System >

18 ± 2 N·m
13 ± 2 ft-lb

REMOVAL STEPS

1. HEAT UPPER PROTECTOR <LEFT 

BANK>

<<A>> >>A<<

2. LEFT BANK HEATED OXYGEN 

SENSOR (FRONT)

3. HEAT PROTECTOR <LEFT BANK>
4. HEAT LOWER PROTECTOR <LEFT 

BANK>

5. EXHAUST MANIFOLD <LEFT 

BANK>

6. EXHAUST MANIFOLD GASKET 

<LEFT BANK>

• INTAKE MANIFOLD PLENUM 

<VEHICLE WITH INTAKE 
MANIFOLD TUNING (IMT) 
SYSTEM> (REFER TO 

P.15-7

.)

7. EGR PIPE
8. HEAT UPPER PROTECTOR 

<RIGHT BANK>

REMOVAL STEPS (Continued)

EXHAUST MANIFOLD <3.0L ENGINE>

TSB Revision

INTAKE AND EXHAUST

15-21

Required Special Tools:

• MB998770: Oxygen Sensor Wrench

REMOVAL SERVICE POINT

.

<<A>> LEFT BANK HEATED OXYGEN SENSOR (FRONT) 
REMOVAL
Use special tool MD998770 to remove the oxygen sensor.

INSTALLATION SERVICE POINT

.

>>A<< LEFT BANK HEATED OXYGEN SENSOR (FRONT) 
INSTALLATION
Use special tool MD998770 to installation the oxygen sensor.

INSPECTION

M1151003400532

Check the following points; replace the part if a problem is 
found.

EXhaust Manifold Check

1. Check for damage or cracking of any part.

9. HEAT PROTECTOR <RIGHT 

BANK>

10. HEAT FRONT PROTECTOR 

<RIGHT BANK>

11. HEAT LOWER PROTECTOR 

<RIGHT BANK>

REMOVAL STEPS (Continued)

12. EXHAUST MANIFOLD <RIGHT 

BANK>

13. EXHAUST MANIFOLD GASKET 

<RIGHT BANK>

REMOVAL STEPS (Continued)

ACX02426 AB

MD998770

ACX02426 AB

MD998770

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

TSB Revision

INTAKE AND EXHAUST

15-22

2. Using a straight edge and a feeler gauge, check for 

distortion of the cylinder head installation surface.

Standard value: 0.15 mm (0.006 inch) or less 
Limit: 0.20 mm (0.008 inch)

EXHAUST PIPE, MAIN MUFFLER AND CATALYTIC 

CONVERTER <2.4L ENGINE>

REMOVAL AND INSTALLATION

M1151005400282

Required Special Tools:

• MB998770: Oxygen Sensor Wrench

AC001753

1

2

3

4

5

6

7

8

9

10

10

N

N

N

49 ± 10 N·m
37 ± 7 ft-lb

12 ± 2 N·m
107 ± 17 in-lb

59 ± 10 N·m
44 ± 7 ft-lb

12 ± 2 N·m
107 ± 17 in-lb

12 ± 2 N·m
107 ± 17 in-lb

12 ± 2 N·m
107 ± 17 in-lb

12 ± 2 N·m
107 ± 17 in-lb

12 ± 2 N·m
107 ± 17 in-lb

35 ± 4 N·m
26 ± 3 ft-lb

44 ± 5 N·m
33 ± 3 ft-lb

AB

MAIN MUFFLER REMOVAL 
STEPS

1.

MAIN MUFFLER

2.

HANGER

3.

HANGER
CENTER EXHAUST PIPE 
REMOVAL STEPS

4.

CENTER EXHAUST PIPE

5.

HANGER

6.

HANGER

7.

PROTECTOR

FRONT EXHAUST PIPE 
REMOVAL STEPS

<<A>>

>>A<<

8.

HEATED OXYGEN SENSOR 
(REAR)

9.

FRONT EXHAUST PIPE 
(CATALYTIC CONVERTER 
INCORPORATED)

10 HANGER