Mitsubishi Lancer Evolution X. Manual - part 617

TRANSAXLE CASE OIL SEAL

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-425

CAUTION

When installing bolt, use magnetic tools to prevent them 
from falling out.
4. Tighten the bolts to the specified torque.

Tightening torque: 6.0 ± 1.0 N⋅ m (53 ± 8 in-lb)

5. Install the connector.

TRANSAXLE CASE OIL SEAL

REMOVAL AND INSTALLATION

M1225029000206

Required Special Tools:

• MB992310: Oil seal installer
• MB992311: Oil seal guide
• MB992312: Oil seal installer

• MB992313: Oil seal guide
• MB992314: V ring guide

AK900330

Pre-removal Operation
• Transmission Fluid Draining (Refer to 

P.22C-399

.)

Post-installation Operation
• Transmission Fluid Refilling (Refer to 

P.22C-399

.)

• Transmission Fluid Level Check (Refer to 

P.22C-398

.)

AC901630

Grease: Molykote BR2-Plus

Transfer 
assembly

AC

N

1

2

N

3

N

Transaxle 
assembly

Transaxle case oil seal (LH) 
removal steps 

• Front driveshaft assembly 

(LH) (Refer to GROUP 26 − 
Driveshaft assembly 

P.26-15

.)

<<

A

>>

>>

C

<<

1. Transaxle case oil seal (LH)

Transaxle case oil seal (RH) 
removal steps 

• Transfer assembly (Refer to 

P.22C-410

.)

>>

B

<<

2. V ring

<<

A

>>

>>

A

<<

3. Transaxle case oil seal (RH)

TRANSAXLE CASE OIL SEAL

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-426

REMOVAL SERVICE POINTS

.

<<A>> TRANSAXLE CASE OIL SEAL (LH)/TRAN-
SAXLE CASE OIL SEAL (RH) REMOVAL

1. Insert the tapping screw (φ 3 mm [0.1 inch]) to one of four 

hollows (round shape) on the oil seal by turning it 2 or 3 
times.

2. Tap the opposite side of the inserted tapping screw using a 

knock pin punch to press in the oil seal approximately 1 mm 
(0.04 inch).

3. Hold the inserted tapping screw with pliers or similar tools, 

and remove the oil seal.
NOTE: If the transaxle case oil seal (RH) is replaced, the 
V-ring must also be replaced.

AK802283AC

Oil seal Back side

<Reference>

AK802289

AK802290

AK802291

TRANSAXLE CASE OIL SEAL

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-427

INSTALLATION SERVICE POINTS

.

>>A<< TRANSAXLE CASE OIL SEAL (RH) 
INSTALLATION

1. Apply the transaxle oil to the oil seal guide (special tool: 

MB992313). Insert the oil seal to oil seal guide (special tool: 
MB992313).

2. Use special tool oil seal installer (special tool: MB992312) to 

install the oil seal to the transaxle case.

.

>>B<< V RING INSTALLATION

1. Clean the spline with a brush or the like.

2. Apply the transaxle oil to the V ring guide (special tool: 

MB992314). Insert the V ring to V ring guide (special tool: 
MB992314), and install the V ring to the transaxle case.

3. Check that the V ring is installed securely.

.

AK802299

MB992313

AC

AK802300

MB992312

AC

AK802292

AK802441

MB992314

AC

TRANSAXLE CASE OIL SEAL

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-428

>>C<< TRANSAXLE CASE OIL SEAL (LH) 
INSTALLATION

1. Apply the transaxle oil to the oil seal guide (special tool: 

MB992311). Insert the oil seal to oil seal guide (special tool: 
MB992311).

2. Use special tool oil seal installer (special tool: MB992310) to 

install the oil seal to the transaxle case.

AK802287

AC

MB992311

AK802288

MB992310

AC