Mitsubishi Galant 9G. Manual — part 349
EXHAUST MANIFOLD
TSB Revision
INTAKE AND EXHAUST
15-16
REMOVAL AND INSTALLATION <3.8L ENGINE>
M1151003301055
<LEFT BANK>
Pre-removal and Post-installation Operation
• Under Cover Removal and Installation (Refer to GROUP
51, Under Cover
• Air Duct Removal and Installation (Refer to
).
AC306910
19 ± 3 N·m
14 ± 2 ft-lb
44 ± 8 N·m
33 ± 5 ft-lb
44 ± 8 N·m
33 ± 5 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
49 ± 9 N·m
37 ± 6 ft-lb
14 ± 1 N·m
120 ± 13 in-lb
1
1
2
3
4
5
6
7
8
9
10
N
N
AC
44 ± 5 N·m
33 ± 3 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
REMOVAL STEPS
1.
LEFT HEATED OXYGEN SENSOR
CONNECTOR
2.
LEFT BANK HEATED OXYGEN
SENSOR (FRONT)
3.
LEFT BANK HEATED OXYGEN
SENSOR (REAR)
4.
HEAT PROTECTOR
5.
FRONT EXHAUST PIPE
CONNECTING BOLTS
6.
FRONT EXHAUST PIPE GASKET
7.
EXHAUST MANIFOLD STAY, LEFT
B
8.
EXHAUST MANIFOLD
9.
EXHAUST MANIFOLD GASKET
10. EXHAUST MANIFOLD STAY, LEFT
A
REMOVAL STEPS (Continued)
EXHAUST MANIFOLD
TSB Revision
INTAKE AND EXHAUST
15-17
<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
• Battery Removal and Installation
• Under Cover Removal and Installation (Refer to GROUP
51, Under Cover
• Front Exhaust Pipe, Center Exhaust Pipe Removal and
Installation (Refer to
• Strut Tower Bar Removal and Installation (Refer to
GROUP 42, Strut Tower Bar
• Engine Coolant Draining and Refilling (Refer to GROUP
14, On-vehicle Service
− Engine Coolant Replacement
).
AC308063AB
44 ± 5 N·m
33 ± 3 ft-lb
1
N
2
3
4
5
6
7
8
9
10
11
12
19 ± 3 N·m
14 ± 2 ft-lb
14 ± 1 N·m
120 ± 13 in-lb
13
N
44 ± 5 N·m
33 ± 3 ft-lb
14 ± 1 N·m
120 ± 13 in-lb
44 ± 8 N·m
33 ± 5 ft-lb
19 ± 3 N·m
14 ± 2 ft-lb
59 ± 10 N·m
44 ± 7 ft-lb
REMOVAL STEPS
1.
CENTER UNDER FLOOR HEAT
PROTECTOR
•
STEERING GEAR AND LINKAGE
PROTECTOR (REFER TO GROUP 37,
POWERSTEERING GEAR BOX AND
LINKAGE
)
2.
FRONT UNDER FLOOR HEAT
PROTECTOR
3.
EXHAUST MANIFOLD STAY, RIGHT B
4.
RIGHT BANK HEATED OXYGEN
SENSOR (FRONT) CONNECTOR
5.
RIGHT BANK HEATED OXYGEN
SENSOR (REAR) CONNECTOR
<<A>>
>>A<<
6.
RIGHT BANK HEATED OXYGEN
SENSOR (FRONT)
<<A>>
>>A<<
7.
RIGHT BANK HEATED OXYGEN
SENSOR (REAR)
8.
EGR PIPE
9.
EGR PIPE GASKET
10.
UPPER HEAT PROTECTOR
11.
LOWER HEAT PROTECTOR
12.
EXHAUST MANIFOLD
13.
EXHAUST MANIFOLD GASKET
REMOVAL STEPS (Continued)
EXHAUST MANIFOLD
TSB Revision
INTAKE AND EXHAUST
15-18
REMOVAL SERVICE POINTS
.
<<A>> LEFT BANK HEATED OXYGEN SENSOR
(FRONT)/RIGHT BANK HEATED OXYGEN SEN-
SOR (FRONT)/RIGHT BANK HEATED OXYGEN
SENSOR (REAR) REMOVAL
Use special tool MD998770 to remove the heated oxygen sen-
sor.
.
<<B>> LEFT BANK HEATED OXYGEN SENSOR
(REAR) REMOVAL
Use special tool MB991953 to remove the heated oxygen sen-
sor.
INSTALLATION SERVICE POINTS
.
>>A<< RIGHT BANK HEATED OXYGEN SENSOR
(REAR)/RIGHT BANK HEATED OXYGEN SENSOR
(FRONT)/LEFT BANK HEATED OXYGEN SENSOR
(FRONT) INSTALLATION
Use special tool MD998770 to install the heated oxygen sen-
sor.
.
ACX02426 AB
MD998770
AC301966
AC
HEATED OXYGEN
SENSOR
MB991953
ACX02426 AB
MD998770
EXHAUST MANIFOLD
TSB Revision
INTAKE AND EXHAUST
15-19
>>B<< LEFT BANK HEATED OXYGEN SENSOR
(REAR) INSTALLATION
Use special tool MB991953 to install the heated oxygen sensor.
INSPECTION
M1151003400587
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)
AC301966
AC
HEATED OXYGEN
SENSOR
MB991953
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