Mitsubishi Galant 9G. Manual - part 1388

CYLINDER HEAD GASKET

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11C-46

<<B>> CYLINDER HEAD ASSEMBLY REMOVAL

Use special tool MD998051 to loosen each bolt two or three 
steps in the order shown in the illustration.

INSTALLATION SERVICE POINTS

.

>>A<< CYLINDER HEAD GASKET INSTALLATION

1. Degrease the cylinder head and cylinder block gasket 

mounting surfaces.

2. Make sure that the gasket has the proper identification mark 

for the engine.

3. Lay the cylinder head gasket on the cylinder block with the 

identification mark at the front top.

.

AC205273

AC206708

MD998051

EXHAUST SIDE

EXHAUST SIDE

INTAKE SIDE

RIGHT BANK

LEFT BANK

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

AB

ACX00349AB

IDENTIFICATION MARK

CYLINDER HEAD GASKET

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11C-47

>>B<< CYLINDER HEAD ASSEMBLY 
INSTALLATION

CAUTION

Be careful that no foreign material gets into the cylinder, 
coolant passages or oil passages. Engine damage may 
result.
1. Use a scraper to clean the gasket surface of the cylinder 

head assembly.

CAUTION

Install the head bolt washers with the beveled side facing 
upwards as shown in the illustration.
2. Using special tool MD998051 and a torque wrench, tighten 

the bolts to the specified torque in the order shown in the 
illustration. (in two or three cycles)

Tightening torque: 108 

± 5 N⋅m (80 ± 3 ft-lb) → 0 N⋅m (0 

in-lb) 

→ 108 ± 5 N⋅m (80 ± 3 ft-lb)

.

>>C<< CAMSHAFT SPROCKET INSTALLATION

1. Use special tools MD998715 and MB990767 in the same 

way as during removal to install the camshaft sprocket.

2. Tighten the camshaft sprocket mounting bolt to the specified 

torque.

Tightening torque: 88 

± 10 N⋅m (65 ± 7 ft-lb)

AC206709

MD998051

CYLINDER
HEAD BOLT
WASHER

EXHAUST SIDE

EXHAUST SIDE

INTAKE SIDE

RIGHT BANK

LEFT BANK

1

2

3

4

5

6

7

8

1

2

3

4

5
6

7

8

AB

ACX00301AB

MB990767

MD998715

TIMING BELT

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11C-48

TIMING BELT

REMOVAL AND INSTALLATION

M1112004300775

Pre-removal and Post-installation Operation
• Engine Cover Removal and Installation (Refer to 

P.11C-16

.)

• Under Cover Removal and Installation (Refer to GROUP 

51, Under Cover 

P.51-11

.) 

• Side Under Cover Removal and Installation (Refer to 

GROUP 51, Under Cover 

P.51-11

.)

AC306787

45 ± 5 N·m
34 ± 3 ft-lb

48 ± 6 N·m
36 ± 4 ft-lb

44 ± 10 N·m
33 ± 7 ft-lb

23 ± 3 N·m
17 ± 2 ft-lb

41 ± 8 N·m
30 ± 6 ft-lb

14 ± 1 N·m
120 ± 13 in-lb

11 ± 1 N·m
98 ± 8 in-lb

185 N·m
136 ft-lb

14 ± 1 N·m
120 ± 13 in-lb

14 ± 1 N·m
120 ± 13 in-lb

11 ± 1 N·m
98 ± 8 in-lb

49 ± 9 N·m
36 ± 7 ft-lb

36 ± 6 N·m
27 ± 4 ft-lb

11 ± 1 N·m
98 ± 8 in-lb

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

AB

(ENGINE OIL)

REMOVAL STEPS

1.

GENERATOR DRIVE  BELT

2.

POWER STEERING OIL PUMP 
DRIVE BELT

<<A>> >>C<<

3.

CRANKSHAFT PULLEY

4.

CONTROL WIRING HARNESS 
AND INJECTOR WIRING 
HARNESS COMBINATION 
CONNECTOR

5.

KNOCK SENSOR CONNECTOR

6.

CRANKSHAFT POSITION 
SENSOR CONNECTOR

7.

CONNECTOR BRACKET

8.

ENGINE MOUNT STAY

9.

TIMING BELT FRONT UPPER 
COVER, RIGHT

10. TIMING BELT FRONT UPPER 

COVER, LEFT

11. TENSIONER PULLEY
12. TENSIONER BRACKET
13. CRANKSHAFT POSITION 

SENSOR HARNESS CLAMP

14. TIMING BELT LOWER COVER

REMOVAL STEPS (Continued)

TIMING BELT

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11C-49

Required Special Tools:

• MB991800: Pulley Holder

• MB991802: Pin B

• MD998767: Tension Pulley Socket Wrench

• MD998769: Crankshaft Pulley Spacer

REMOVAL SERVICE POINTS

.

<<A>> CRANKSHAFT PULLEY REMOVAL

CAUTION

Use only the specified special tools, or a damaged pulley 
damper could result.
Use special tools MB991800 and MB991802 to remove the 
crankshaft pulley from the crankshaft.

.

•

ENGINE FRONT MOUNTING 
BRACKET (REFER TO GROUP 
32, ENGINE MOUNTING 

P.32-4

.)

15. ENGINE SUPPORT BRACKET

<<B>> >>B<<

16. TIMING BELT

>>A<<

17. AUTO-TENSIONER
18. TENSIONER PULLEY
19. TENSIONER ARM
20. SHAFT

REMOVAL STEPS (Continued)

ACX01675AB

MB991800

MB991802