Mitsubishi Outlander GS45X. Manual - part 523

EXHAUST MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-19

<RIGHT BANK>

Required Special Tools:

• MB991953: Oxygen Sensor Wrench

• MD998770: Oxygen Sensor Wrench

Pre-removal and Post-installation Operation
• Air Cleaner Cover and Air Intake Duct Removal and Installation (Refer to 

P.15-5

).

• Battery Removal and Installation

• Under Cover Removal and Installation (Refer to GROUP 51, Under Cover 

P.51-22

). 

• Front Exhaust Pipe, Center Exhaust Pipe and Front Floor Front Panel Heat Protector Removal and Installation 

(Refer to 

P.15-25

).

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

P.42A-12

).

AC901525

1

2

3

4

5

6

7

8

16 ± 4 N·m
12 ± 3 ft-lb

41 ± 10 N·m
30 ± 8 ft-lb

49 ± 5 N·m
36 ± 4 ft-lb

47 ± 11 N·m
35 ± 8 ft-lb

49 ± 5 N·m
36 ± 4 ft-lb

44 ± 5 N·m
33 ± 3 ft-lb

44 ± 5 N·m
33 ± 3 ft-lb

N

AB

Removal steps 

1.

Right exhaust manifold bracket 
<Vehicles without S-AWC>

2.

Right bank heated oxygen sensor 
(Front) connector connection

3.

Right bank heated oxygen sensor 
(Rear) connector connection

<<A>> >>B<<

4.

Right bank heated oxygen sensor 
(Front)

<<B>> >>A<<

5.

Right bank heated oxygen sensor 
(Rear)

6.

Heat protector

7.

Exhaust manifold

8.

Exhaust manifold gasket

Removal steps (Continued)

EXHAUST MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-20

REMOVAL SERVICE POINTS

.

<<A>> LEFT BANK HEATED OXYGEN SENSOR 
(FRONT)/RIGHT BANK HEATED OXYGEN SEN-
SOR (FRONT) REMOVAL

Use special tool MB991953 to remove the heated oxygen sen-
sor.

.

<<B>> LEFT BANK HEATED OXYGEN SENSOR 
(REAR)/RIGHT BANK HEATED OXYGEN SENSOR 
(REAR) REMOVAL

Use special tool MD998770 to remove the heated oxygen sen-
sor.

INSTALLATION SERVICE POINTS

.

>>A<< RIGHT BANK HEATED OXYGEN SENSOR 
(REAR)/LEFT BANK HEATED OXYGEN SENSOR 
(REAR) INSTALLATION

Use special tool MD998770 to install the heated oxygen sen-
sor.

.

AC703721

MB991953

Heated oxygen 
sensor

AB

AC703720

MD998770

AB

AC703720

MD998770

AB

EXHAUST MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-21

>>B<< RIGHT BANK HEATED OXYGEN SENSOR 
(FRONT)/LEFT BANK HEATED OXYGEN SENSOR 
(FRONT) INSTALLATION

Use special tool MB991953 to install the heated oxygen sensor.

INSPECTION

M1151003401546

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.

<2.4L ENGINE>

Limit: 0.70 mm (0.028 inch)

<3.0L ENGINE>

Standard value: 0.7 mm (0.028 inch) or less
Limit: 0.5 mm (0.020 inch)

AC703721

MB991953

Heated oxygen 
sensor

AB

EXHAUST PIPE AND MAIN MUFFLER

TSB Revision

INTAKE AND EXHAUST

15-22

EXHAUST PIPE AND MAIN MUFFLER

REMOVAL AND INSTALLATION <2.4L ENGINE>

M1151008703173

AC709728

15

19

21

9

13

8

14

2

5

7

11

10

1

11

16

11

18 

4

N

N

N

AD

17

20

3

6

N

N

44 ± 5 N·m
32 ± 3 ft-lb

23 ± 6 N·m
17 ± 4 ft-lb

41 ± 10 N·m
30 ± 8 ft-lb

41 ± 10 N·m
30 ± 8 ft-lb

7.0 ± 3.0 N·m
62 ± 27 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

44 ± 5 N·m
32 ± 3 ft-lb

59 ± 10 N·m
43 ± 7 ft-lb

12

9.5 ± 3.5 N·m
84 ± 30 in-lb

<FWD>

ACA01458

15

19

21

9

13

8

14

2

5

7

11

10

1

11

16

11

18 

4

N

N

N

AC

17

20

3

6

N

N

44 ± 5 N·m
32 ± 3 ft-lb

23 ± 6 N·m
17 ± 4 ft-lb

41 ± 10 N·m
30 ± 8 ft-lb

41 ± 10 N·m
30 ± 8 ft-lb

7.0 ± 3.0 N·m
62 ± 27 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

5.0 ± 2.0 N·m
45 ± 17 in-lb

44 ± 5 N·m
32 ± 3 ft-lb

59 ± 10 N·m
43 ± 7 ft-lb

12

9.5 ± 3.5 N·m
84 ± 30 in-lb

<AWD>