Mitsubishi 380. Manual — part 242
INTAKE MANIFOLD
INTAKE AND EXHAUST
15-8
REMOVAL SERVICE POINT
.
<<A>> FUEL RAIL AND INJECTOR REMOVAL
CAUTION
Care must be taken when removing the fuel rail not to drop
the injector.
Remove the fuel rail with the injectors attached to it.
INSTALLATION SERVICE POINTS
.
>>A<< INTAKE MANIFOLD GASKET INSTALLA-
TION
Install the gasket with the protrusions in the position illustrated.
.
>>B<< INTAKE MANIFOLD INSTALLATION
1. Coat the intake manifold mounting studs with engine oil.
2. Tighten the intake manifold mounting nuts by the following
procedure.
.
ACX02434AC
PROTRUSION
PROTRUSION
FRONT OF VEHICLE
ORDER MOUNTING NUTS TIGHTENING TORQUE
1st
Right-bank nuts
6.5
± 1.5 N⋅m (58 ± 13 in-lb)
2nd
Left-bank nuts
22
± 1 N⋅m (16 ± 1 ft-lb)
3rd
Right-bank nuts
22
± 1 N⋅m (16 ± 1 ft-lb)
4th
Left-bank nuts
22
± 1 N⋅m (16 ± 1 ft-lb)
5th
Right-bank nuts
22
± 1 N⋅m (16 ± 1 ft-lb)
AC001433
RIGHT BANK
LEFT BANK
AB
INTAKE MANIFOLD
INTAKE AND EXHAUST
15-9
>>C<< FUEL HIGH-PRESSURE HOSE
INSTALLATION
CAUTION
• Be careful not to allow any engine oil to enter the fuel
rail.
• Be careful not to bend the fuel high-pressure hose as it
is made of plastics.
1. When connecting the fuel high-pressure hose to the fuel rail,
apply a small amount of new engine oil to the O-ring and
then insert the fuel high-pressure hose, being careful not to
damage the O-ring.
2. While turning the fuel high-pressure hose to the left and
right, install it to the fuel rail.
3. Check that the injector turns smoothly. If it does not turn
smoothly, the O-ring may be trapped. Remove the fuel
high-pressure hose and then re-insert it into the fuel rail and
check again.
INSPECTION
M1151003100672
Check the following points; replace the part if a problem is
found.
.
Intake Manifold Check
1. Check for damage or cracking of any part.
2. Clogging of the negative pressure (vacuum) outlet port.
3. Using a straight edge and 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)
AC209221
CONNECTOR
MAIN PIPE NOZZLE OR
FUEL MAIN PIPE
AB
EXHAUST MANIFOLD
INTAKE AND EXHAUST
15-10
EXHAUST MANIFOLD
REMOVAL AND INSTALLATION
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
).
05DB028A
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
44 ± 5 N·m
33 ± 3 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
REMOVAL STEPS
1.
LEFT HEATED OXYGEN SENSOR
CONNECTOR
<<A>>
>>A<<
2.
LEFT BANK HEATED OXYGEN
SENSOR (FRONT)
<<B>>
>>B<<
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
INTAKE AND EXHAUST
15-11
<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
05DB029A
44 ± 5 N·m
33 ± 3 ft-lb
1
2
3
4
5
6
7
10
12
14 ± 1 N·m
120 ± 13 in-lb
13
N
44 ± 5 N·m
33 ± 3 ft-lb
75 ± 10 N·m
55 ± 7 ft-lb
11
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 A
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)
10.
UPPER HEAT PROTECTOR
11.
EXHAUST MANIFOLD STAY, RIGHT B
12.
EXHAUST MANIFOLD
13.
EXHAUST MANIFOLD GASKET
REMOVAL STEPS (Continued)
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