Mitsubishi Outlander GS45X. Manual - part 521

INTAKE MANIFOLD

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INTAKE AND EXHAUST

15-11

REMOVAL AND INSTALLATION <3.0L ENGINE>

M1151003004581

Pre-removal Operation
• Fuel Discharge Prevention [Refer to GROUP 13B, 

On-vehicle Service 

− Fuel Pump Connector Disconnec-

tion (How to Reduce Pressurized Fuel Lines) 

P.13B-886

].

• Intake Manifold Plenum Removal (Refer to 

P.15-6

).

Post-installation Operation
• Intake Manifold Plenum Installation (Refer to 

P.15-6

).

• Fuel Leakage Inspection

ACA02243

12 ± 1 N·m
106 ± 8 in-lb

12 ± 1 N·m
106 ± 8 in-lb

11 ± 1 N·m
98 ± 8 in-lb

22 ± 1 N·m
16 ± 1 ft-lb

1

1

2

3

4

5

6

7

7

N

N

AB

INTAKE MANIFOLD

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INTAKE AND EXHAUST

15-12

REMOVAL SERVICE POINTS

.

<<A>> FUEL HIGH-PRESSURE HOSE DISCON-
NECTION

CAUTION

Do not kink the fuel high-pressure hose as it is made of 
plastics.
1. Insert a flat-tipped screwdriver [width 6 mm (0.24 inch), 

thickness 1 mm (0.04 inch)] to the retainer.

2. Turn the flat-tipped screwdriver approximately 90

° to the 

arrowed direction, and lift the retainer to unlock and 
disconnect the fuel high-pressure hose. 

.

<<B>> FUEL RAIL AND INJECTOR ASSEMBLY 
REMOVAL

CAUTION

Do not drop the fuel injector.
Remove the fuel rail with the fuel injectors attached to it.

Removal steps 

1.

Injector connector connection

<<A>>

>>B<<

2.

Fuel high-pressure hose 
connection

<<B>>

3.

Left fuel rail and fuel injector 
assembly

<<B>>

4.

Right fuel rail and fuel injector 
assembly

5.

Harness bracket

>>A<<

6.

Intake manifold

7.

Intake manifold gasket

Removal steps (Continued)

AC703713

Fuel rail

Retainer

Fuel high-pressure
hose

Flat-tipped screw driver

AB

AC703714

Fuel rail

Retainer

Fuel high-pressure
hose

Flat-tipped screw driver

AB

INTAKE MANIFOLD

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INTAKE AND EXHAUST

15-13

INSTALLATION SERVICE POINTS

.

>>A<< INTAKE MANIFOLD INSTALLATION

1. Coat the intake manifold mounting studs with engine oil.
2. Tighten the intake manifold mounting nuts by the following 

procedure.

.

>>B<< FUEL HIGH-PRESURE HOSE 
CONNECTION

1. Pull up the lock of fuel high-pressure hose to unlock before 

installing.

2. Install the fuel high-pressure hose to the fuel rail securely 

and push the lock of fuel high-pressure hose downward and 
lock thoroughly.

3. After installing, slightly pull the fuel high-pressure hose and 

ensure that there is no disengaged fuel high-pressure hose. 
Also confirm that there is approximately 1 mm (0.04 inch) 
play at this time.

Order

Mounting nuts

Tightening torque 

1st

Left bank nuts

6.5 

± 1.5 N⋅m (58 ± 13 in-lb)

2nd

Right bank nuts

22 

± 1 N⋅m (16 ± 1 ft-lb)

3rd

Left bank nuts

22 

± 1 N⋅m (16 ± 1 ft-lb)

4th

Right bank nuts

22 

± 1 N⋅m (16 ± 1 ft-lb)

5th

Left bank nuts

22 

± 1 N⋅m (16 ± 1 ft-lb)

AC703715

Retainer

Fuel high-pressure
hose

AB

AC703716

Fuel rail

Retainer

Fuel high-pressure
hose

AB

INTAKE MANIFOLD

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INTAKE AND EXHAUST

15-14

INSPECTION

M1151003101493

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

.

INTAKE MANIFOLD CHECK <2.4L ENGINE>

1. Check for damage or cracking of any part.
2. Clogging of the negative pressure (vacuum) outlet port, or 

clogging of the exhaust gas recirculation passages.

.

INTAKE MANIFOLD CHECK <3.0L ENGINE>

1. Check for damage or cracking of any part.
2. Clogging of the negative pressure (vacuum) outlet port, or 

clogging of the exhaust gas recirculation passages.

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)