Mitsubishi Evolution X. Manual - part 891

MB991897

SPECIAL TOOL

TSB Revision

REAR AXLE

27-25

MB991897 or 
MB992011
Ball joint remover

MB991113-01, 
MB990635-01 or 
General service tool 

Self locking nut removal
NOTE: Steering linkage puller 
(MB990635 or MB991113)is also 
used to disconnect knuckle and tie 
rod end ball joint.

MB990850

MB990850
End yoke holder

−

Companion flange fixing

MB990925

A

B

C

MB990925

A: MB990926 

− 

MB990937

B: MB990938
C: MB990939

Bearing and oil seal 
installer set

A: Installer adapter
B: Bar
C: Brass bar

MB990925-01 or 
General service tool

Press-fitting of differential carrier oil 
seal
(Use together with MB991115)

Tool

Tool number and 
name

Supersession

Application

MB991159AB

A

B

SPECIAL TOOL

TSB Revision

REAR AXLE

27-26

MB991159
Bushing remover and 
installer

A: MB991162

Bolt

B: MB991218

Bearing

−

Removal of the rear suspension 
crossmember bushing
NOTE: When press-fitting the 
bushing, use the bearing included in 
MB992107.

MB990847

MB990847
Base

−

B992234

MB992234
Bearing

−

B992235

MB992235
Adapter

−

B992253

MB992253
Remover and 
installer

−

B992254

MB992254
Base

−

MB990326

MB990326
Preload socket

General service tool

Measurement of the wheel bearing 
rotation starting torque

MB990685
Torque wrench

General service tool

Tool

Tool number and 
name

Supersession

Application

ON-VEHICLE SERVICE

TSB Revision

REAR AXLE

27-27

MB990925 BEARING AND OIL SEAL INSTALLER SET

Tool

Type

Tool number

O D mm (in)

ACX02372 AE

A

B

C

Remover bar

Installer bar
 (Snap-in type)

Toolbox

Installer adapter

A

MB990926

39.0 (1.54)

MB990927

45.0 (1.77)

MB990928

49.5 (1.95)

MB990929

51.0 (2.00)

MB990930

54.0 (2.13)

MB990931

57.0 (2.24)

MB990932

61.0 (2.40)

MB990933

63.5 (2.50)

MB990934

67.5 (2.66)

MB990935

71.5 (2.81)

MB990936

75.5 (2.97)

MB990937

79.0 (3.11)

B

MB990938

−

C

MB990939

−

ON-VEHICLE SERVICE

REAR AXLE TOTAL BACKLASH CHECK

M1271001200456

1. Shift the shift lever to the Neutral position, pull the parking 

brake lever, and then raise the vehicle using a jack.

AC705969AB

Mating marks

2. Fully turn the propeller shaft clockwise, and place the mating 

marks on the companion flange dust cover and differential 
carrier.

AC705969AC

3. Fully turn the propeller shaft counterclockwise, and measure 

the travel distance of mating marks.

Limit: 6 mm(0.2 inch)

4. If the backlash exceeds the limit, replace the differential 

carrier assembly.

ON-VEHICLE SERVICE

TSB Revision

REAR AXLE

27-28

GEAR OIL LEVEL CHECK

M1271004900090

DIFFERENTIAL MECHANISM PART

AC705198AB

Filler plug

1. Remove the filler plug.

AC102739

6 mm
(0.2 in)

AJ

Upper 
limit

Lower 
limit

Gear oil

2. Check that the gear oil level is in between the upper limit 

(bottom of the oil filler plug hole) and the lower limit.

3. If the gear oil level is not in between the upper limit and the 

lower limit, fill the specified gear oil to the bottom of the filler 
plug hole.

Specified gear oil: MITSUBISHI Genuine DIA QUEEN 
LSD gear oil

4. Install the filler plug, and tighten it to the specified torque.

Tightening torque: 49 

± 10 N⋅ m (37 ± 7 ft-lb)

TORQUE TRANSFER MECHANISM PART

AC705199AB

Filler plug

1. Remove the filler plug.

AC102739

6 mm
(0.2 in)

AJ

Upper 
limit

Lower 
limit

Gear oil

2. Check that the gear oil level is in between the upper limit 

(bottom of the oil filler plug hole) and the lower limit.

3. If the gear oil level is not in between the upper limit and the 

lower limit, fill the specified gear oil to the bottom of the filler 
plug hole.

Specified gear oil: DIAMOND ATF-SP III

4. Install the filler plug, and tighten it to the specified torque.

Tightening torque: 49 

± 10 N⋅ m (37 ± 7 ft-lb)