Mitsubishi 380. Manual - part 759

CRANKSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11A-38

CRANKSHAFT OIL SEAL

REMOVAL AND INSTALLATION <FRONT OIL SEAL>

M1112003400478

Required Special Tool:

MD998717: Crankshaft Front Oil Seal Installer

Pre-removal and Post-installation Operation
Timing Belt Removal and Installation (Refer to 

P.11A-46

.)

AC205520

6

ENGINE OIL

1

2

3

4

5

6

N

8.5 ± 0.5 N·m
76 ± 4 in-lb

AB

REMOVAL STEPS

1.

CRANKSHAFT POSITION 
SENSOR

>>B<<

2.

CRANKSHAFT SPROCKET

>>B<<

3.

CRANKSHAFT SENSING BLADE

>>B<<

4.

CRANKSHAFT SPACER

5.

KEY

>>A<<

6.

CRANKSHAFT FRONT OIL SEAL

REMOVAL STEPS (Continued)

CRANKSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11A-39

INSTALLATION SERVICE POINTS

.

>>A<< CRANKSHAFT FRONT OIL SEAL INSTAL-
LATION

1. Apply a small amount of engine oil to the oil seal lip and then 

insert.

2. Using special tool MD998717, tap the oil seal into the front 

case.

.

>>B<< CRANKSHAFT SPACER / CRANKSHAFT 
SENSING BLADE / CRANKSHAFT SPROCKET 
INSTALLATION

To prevent the crankshaft pulley mounting bolt from loosening, 
degrease or clean the crankshaft, the crankshaft spacer, the 
crankshaft sensing blade and the crankshaft at the shown posi-
tions.

ACX00363AB

OIL SEAL

MD998717

CRANKSHAFT

MD998717

ACX01536AB

CRANKSHAFT

CRANKSHAFT

SPACER

CRANKSHAFT

SENSING BLADE

CRANKSHAFT

SPROCKET

SHADED PART : DEGREASE

CLEANING

CRANKSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11A-40

REMOVAL AND INSTALLATION <REAR OIL SEAL>

M1112003700446

Required Special Tools:

• MD998718: Crankshaft Rear Oil Seal Installer

• MD998781: Flywheel Stopper

Pre-removal and Post-installation Operation
Transaxle Assembly Removal and Installation (Refer to 
GROUP 23A, Transaxle <F4A4B>

P.23A-304

 , 

<F4A5A>

P.23A-304

 .)

6

5

2

132 ± 5 N·m

 3

AC306784

ENGINE OIL

1

3

4

74 ± 1 N·m

55 ± 1 ft-lb

N

AB

7

7

<A/T>

<M/T>

N

7

REMOVAL STEPS

<<A>>

>>B<<

1.

DRIVE PLATE BOLTS

2.

FLYWHEEL BOLTS 

3.

ADAPTOR PLATE

4.

DRIVE PLATE

5.

FLYWHEEL ASSEMBLY

6.

ADAPTOR PLATE (M/T)

>>A<<

7.

CRANKSHAFT REAR OIL SEAL

REMOVAL STEPS (Continued)

CRANKSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL <3.8L ENGINE>

11A-41

REMOVAL SERVICE POINT

.

<<A>> DRIVE PLATE BOLTS REMOVAL

Use special tool MD998781 to secure the drive plate and 
remove the drive plate bolts.

INSTALLATION SERVICE POINTS

.

>>A<< CRANKSHAFT REAR OIL SEAL INSTAL-
LATION

1. Apply a small amount of engine oil to the entire 

circumference of the oil seal lip.

2. Use special tool MD998718 to tap in the oil seal as shown in 

the illustration.

.

>>B<< DRIVE PLATE BOLTS INSTALLATION

Use special tool MD998781 in the same way as during removal 
to install the drive plate bolts.

AC306686

MD998781

AB

ACX00356AB

MD998718

AC306686

MD998781

AB