Mitsubishi Lancer Evolution X. Manual - part 634

TRANSAXLE CASE

TSB Revision

MANUAL TRANSAXLE OVERHAUL

22B-49

DISASSEMBLY SERVICE POINTS

.

<<A>> OIL GUIDE REMOVAL

Using special tool, MB991946, remove the oil guides from the 
transaxle case.

ASSEMBLY SERVICE POINTS

.

>>A<< AIR BREATHER INSTALLATION

1. Apply specified sealant to the periphery of the air breather 

insertion part.

Specified sealant: Three bond 1501 or equivalent

2. Install the air breather to the transaxle case in accordance 

with the illustrated identification mark.

.

>>B<< STEEL BALL INSTALLATION

1. Apply specified sealant to the periphery of the transaxle 

case where the steel ball is installed, then install the steel 
ball onto the transaxle case.

Specified sealant: 3M™STUD Locking No.4710 or 

equivalent

2. Using special tool, MB990883, install the steel ball.

.

AK703404AC

MB991946

AK703373

AC

Identification mark

Clutch housing
side

AK703371AC

Steel ball

AK703372

AC

MB990883

TRANSAXLE CASE

TSB Revision

MANUAL TRANSAXLE OVERHAUL

22B-50

>>C<< OIL SEAL INSTALLATION

1. Using the special tools, MB991115 and MB990938, 

indicated below, install the oil seal to the transaxle case.

2. Apply specified transaxle oil to the oil seal lip area.

Specified transaxle oil: Mitsubishi Genuine DiaQueen 
New Multi Gear Oil SAE 75W-80 (GL-3)

.

>>D<< SLIDE BALL BEARING (FOR CONTROL 
SHAFT) INSTALLATION

CAUTION

• Normally, it is not necessary to disassemble the slide 

ball bearing. Install it only when the transaxle case is 
replaced with a new one.

• Install the bearing with the stamped mark facing 

upward.

Using special tool, MB990883, install the slide ball bearing (for 
control shaft) to the new transaxle case.

.

AK703406AC

MB991115

MB990938

AK703405 AC

AK703370

AC

MB990883

TRANSAXLE CASE

TSB Revision

MANUAL TRANSAXLE OVERHAUL

22B-51

>>E<< SLIDE BALL BEARING (FOR SHIFT RAIL) 
INSTALLATION

CAUTION

• Normally, it is not necessary to disassemble the slide 

ball bearing. Install it only when the transaxle case is 
replaced with a new one.

• Install the bearing with the stamped mark facing 

upward.

Using special tool, MB990883, install the slide ball bearing (for 
shift rail) to the new transaxle case.

.

>>F<< OIL GUIDE A INSTALLATION

CAUTION

Normally, it is not necessary to disassemble the oil guide 
A. Install the oil guide only when the transaxle case is 
replaced with a new one.
Install the oil guide A to the new transaxle case. Stake at the 
illustrated point to secure the oil guide in position.

.

>>G<< OIL TANK COVER INSTALLATION

CAUTION

Normally, it is not necessary to disassemble the oil tank 
cover. Install the cover only when the transaxle case is 
replaced with a new one.
Install the oil tank cover onto the new transaxle case. Stake at 
the illustrated six points to secure the cover in position.

AK703338

AC

MB990883

AK703339

AK703340

CENTER DIFFERENTIAL

TSB Revision

MANUAL TRANSAXLE OVERHAUL

22B-52

.

>>H<< OIL GUIDE INSTALLATION

CAUTION

Install the oil guide squarely.
Using special tool, MD999547, drive the oil guide all the way 
into place to the end face of the transaxle case.

CENTER DIFFERENTIAL

DISASSEMBLY AND ASSEMBLY

M1222010600104

AK703368

AC

MD999547

<Input shaft side>

AK703369

AC

MD999547

<Output shaft side>

AK703150

AC

3

4

1

2

133 ± 4 N·m
98 ± 2 ft-lb

Removal steps 

>>C<<

1. Center differential drive gear

<<A>>

>>B<<

2. Taper roller bearing

<<B>>

>>A<<

3. Taper roller bearing
4. Center differential assembly

Removal steps (Continued)