Mitsubishi Galant 9G. Manual - part 347

INTAKE MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-8

INTAKE MANIFOLD

REMOVAL AND INSTALLATION <2.4L ENGINE>

M1151003000813

Pre-removal Operation
• Fuel Line Pressure Reduction [Refer to GROUP 13A, 

On-vehicle Service 

− Fuel Pump Connector Disconnec-

tion (How to Reduce Pressurized Fuel Lines) 

P.13A-1127

].

• Engine Coolant Draining (Refer to GROUP 14, On-vehicle 

Service 

− Engine Coolant Replacement 

P.14-7

).

• Air Cleaner Cover and Air Intake Hose Removal (Refer to 

P.15-4

).

• Throttle Body Removal (Refer to GROUP 13A, Throttle 

Body 

P.13A-1138

).

• Delivery Pipe and Injector Assembly Removal (Refer to 

GROUP 13A, Injector 

P.13A-1136

).

Post-installation Operation
• Delivery Pipe and Injector Assembly Installation (Refer to 

GROUP 13A, Injector 

P.13A-1136

).

• Throttle Body Installation (Refer to GROUP 13A, Throttle 

Body 

P.13A-1138

).

• Air Cleaner Cover and Air Intake Hose Installation (Refer 

to 

P.15-4

).

• Engine Coolant Refilling (Refer to GROUP 14, On-vehicle 

Service 

− Engine Coolant Replacement 

P.14-7

).

AC306677

11 ± 1 N·m
98 ± 8 in-lb

11 ± 1 N·m
98 ± 8 in-lb

11 ± 1 N·m
98 ± 8 in-lb

12 ± 2 N·m
102 ± 22 in-lb

5.0 ± 1.0 N·m
44 ± 9 in-lb

11 ± 1 N·m
98 ± 8 in-lb

11 ± 1 N·m
98 ± 8 in-lb

13 ± 1 N·m
115 ± 9 in-lb

24 ± 3 N·m
18 ± 2 ft-lb

20 ± 2 N·m
15 ± 1 ft-lb

31 ± 3 N·m
23 ± 2 ft-lb

24 ± 4 N·m
18 ± 3 ft-lb

24 ± 3 N·m
18 ± 2 ft-lb

31 ± 3 N·m
23 ± 2 ft-lb

1

19

18

17

16

15

14

13

12

10

9

8

7

6

5

11

4

3

2

20

21

N

N

3

(ENGINE OIL)

N

N

N

AB

INTAKE MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-9

REMOVAL SERVICE POINT

.

<<A>> RADIATOR LOWER HOSE DISCONNEC-
TION

Make mating marks on the radiator hose and the hose clamp. 
Disconnect the radiator hose.

INSTALLATION SERVICE POINTS

.

>>A<< THERMOSTAT CASE ASSEMBLY INSTAL-
LATION

1. Use a gasket scraper or wire brush to completely eliminate 

all gasket material on the gasket mounting surface.

2. Apply a bead of the sealant to the cylinder head mating 

surface of the thermostat case assembly as shown.

Specified Sealant: 3M

 AAD Part No.8672, 3M AAD 

part No.8679/8678 or equivalent

REMOVAL STEPS

1. EXHAUST GAS RECIRCULATION 

VALVE

>>D<<

2. EXHAUST GAS RECIRCULATION 

VALVE GASKET

>>C<<

3. BRAKE BOOSTER VACUUM HOSE
4. BRAKE BOOSTER VACUUM PIPE
5. PRESSURE HOSE CLAMP
6. EVAPORATIVE EMISSION VACUUM 

HOSE CONNECTION

7. MANIFOLD ABSOLUTE  PRESSURE 

SENSOR CONNECTOR

8. HARNESS CRAMP
9. KNOCK SENSOR CONNECTOR 

BRACKET

10. ENGINE OIL DIPSTICK AND 

DIPSTICK GUIDE

11. O-RING

<<A>> >>B<<

12. RADIATOR LOWER HOSE 

CONNECTION

13. HEATER WATER HOSE 

CONNECTION

>>A<<

14. THERMOSTAT CASE ASSEMBLY
15. O-RING
16. MANIFOLD ABSOLUTE PRESSURE 

SENSOR

17. O-RING
18. INTAKE MANIFOLD STAY
19. INTAKE MANIFOLD
20. INTAKE MANIFOLD GASKET
21. EVAPORATIVE EMISSION PURGE 

SOLENOID VALVE, EVAPORATIVE 
EMISSION VACUUM HOSE AND 
PIPE ASSEMBLY

REMOVAL STEPS (Continued)

AC200641AB

MATING MARKS

AC305212

φ 

3 mm

(0.12 in)

AC

THERMOSTAT CASE
ASSEMBLY

INTAKE MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-10

3. Apply sealant to the thread of the thermostat case assembly 

bolts as shown.

Specified Sealant: 3M

 AAD Part No.8730, 8731 or 

equivalent

4. With the sealant still wet (within 15 minutes after the sealant 

is applied), install the thermostat case assembly. Do not 
apply the sealant in an area more than the required.

.

>>B<< RADIATOR LOWER HOSE CONNECTION

1. Insert each hose as far as the projection of the water inlet 

fitting.

2. Align the mating marks on the radiator hose and hose 

clamp, and then connect the radiator hose.

.

>>C<< BRAKE BOOSTER VACUUM HOSE 
CONNECTION

Insert vacuum hose with its paint mark facing upward.

.

>>D<< EXHAUST GAS RECIRCULATION VALVE 
GASKET INSTALLATION

Install the exhaust gas recirculation valve gasket as shown in 
the illustration.

AC303724AC

THERMOSTAT CASE ASSEMBLY

AC200642

MATING
MARKS

PROJECTION

WATER INLET 
FITTING 

AE

AC305104

AC

PAINT MARK

PAINT MARK

AC302358AC

GASKET

NOTCHED
PART

NOTCHED
PART

INTAKE MANIFOLD

TSB Revision

INTAKE AND EXHAUST

15-11

REMOVAL AND INSTALLATION <3.8L ENGINE>

M1151003000802

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

On-vehicle Service 

− Fuel Pump Relay Disconnection 

(How to Reduce Pressurized Fuel Lines) 

P.13B-1181

.]

• Intake Manifold Plenum Removal (Refer to 

P.15-6

.)

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

P.15-6

.)

• Fuel Leakage Inspection

AC306908

5.0 ± 1.0 N·m
44 ± 9 in-lb

11 ± 1 N·m
98 ± 8 in-lb

11 ± 1 N·m
98 ± 8 in-lb

14 ± 1 N·m
120 ± 13 in-lb

12 ± 1 N·m
102 ± 13 in-lb

36 ± 6 N·m
27 ± 4 ft-lb

24 ± 3 N·m
18 ± 2 ft-lb

1

1

2

12

10

3

4

22 ± 1 N·m
16 ± 1 ft-lb

6

13

11

12

7

5

8

9

N

N

N

AB

3

4

6

INTAKE
MANIFOLD
MOUNTING
STAD

CYLINDER
HEAD

ENGINE OIL

14 ± 1 N·m
120 ± 13 in-lb

REMOVAL STEPS

1.

INJECTOR CONNECTOR

2.

ENGINE MOUNTING STAY

>>C<<

3.

FUEL HIGH-PRESSURE HOSE 
CONNECTION

4.

O-RING

5.

BLOW-BY HOSE

<<A>>

6.

FUEL RAIL AND INJECTOR

7.

PCV HOSE CONNECTION

8.

TIMING BELT FRONT UPPER 
COVER, RIGHT

9.

TIMING BELT FRONT UPPER 
COVER, LEFT

10. WATER PUMP BRACKET

>>B<<

11. INTAKE MANIFOLD

>>A<<

12. INTAKE MANIFOLD GASKET
13. CONTROL HARNESS CLAMP

REMOVAL STEPS (Continued)