Mitsubishi Lancer Evolution VI. Manual - part 19

ENGINE  – 

Front Case, Counterbalance Shaft and Oil Pan

11-51

FRONT CASE, COUNTERBALANCE SHAFT AND OIL PAN

REMOVAL AND INSTALLATION

16 Nm

10 Nm

39 Nm

22 Nm

Apply engine oil to all
moving parts before
installation.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

36 Nm

24 Nm

24 Nm

19 Nm

44 Nm

18 Nm

24 Nm

54 Nm

10 Nm

19 Nm

7 Nm

31

Removal steps

1. Drain plug

"

N

A

2. Drain plug gasket

"

M

A

3. Oil filter

A

A

" "

L

A

4. Oil pan
5. Oil screen
6. Oil screen gasket
7. Buffle plate

"

I

A

8. Oil pressure switch
9. Oil cooler by-pass valve

10. Relief plug

11. Relief plug gasket

12. Relief spring
13. Relief plunger
14. Oil filter bracket
15. Oil filter bracket gasket

A

B

" "

K

A

16. Plug
17. O-ring

A

C

" "

J

A

18. Flange bolt

"

H

A

19. Front case
20. Front case gasket
21. Oil pump cover

"

G

A

22. Oil pump driven gear

"

G

A

23. Oil pump drive gear

"

F

A

24. Crankshaft oil seal

"

E

A

25. Oil pump oil seal

"

D

A

26. Counterbalance shaft oil seal
27. Counterbalance shaft left
28. Counterbalance shaft right

A

D

" "

C

A

29. Counterbalance shaft front bearing

A

E

" "

B

A

30. Counterbalance shaft rear bearing

left

A

E

" "

A

A

31. Counterbalance shaft rear bearing

right

ENGINE  – 

Front Case, Counterbalance Shaft and Oil Pan

11-52

REMOVAL SERVICE POINTS

A

A

"

OIL PAN REMOVAL

(1) Remove all oil pan bolts.
(2) Drive in the special tool between the cylinder block and

oil pan.

NOTE
Never use a screwdriver or chisel, instead of the service
tool, as a deformed oil pan flange will result in oil leakage.

A

B

"

PLUG REMOVAL

(1) Fit special tool MD998162 on the plug, and then hold

it in position with special tool MD998783.

(2) Loosen the plug.
(3) Remove the special tools MD998783 and MD998162 and

then the plug.

A

C

"

FLANGE BOLT REMOVAL

(1) Remove the plug on the side of cylinder block.
(2) Insert a Phillips screwdriver (shank diameter 8 mm) into

the plug hole to lock the counterbalance shaft.

(3) Loosen the flange bolt.

A

D

"

COUNTERBALANCE SHAFT FRONT BEARING
REMOVAL

Using the special tool, remove the counterbalance shaft front
bearing from the cylinder block.

NOTE
Be sure to remove the front bearing first. 
If it has not been removed, the Rear Bearing Puller cannot
be used.

6EN0698

MD998727

MD998162

MD998783

6EN1026

Plug

Screwdriver

6EN0565

ENGINE  – 

Front Case, Counterbalance Shaft and Oil Pan

11-53

A

E

"

COUNTERBALANCE SHAFT REAR BEARING
REMOVAL

Using the special tool, remove the left counterbalance shaft
rear bearing from the cylinder block.

NOTE
When removing the left counterbalance shaft rear bearing,
install the special tool (MB991603) in front of the cylinder
block.

INSTALLATION SERVICE POINTS

"

A

A

RIGHT COUNTERBALANCE SHAFT REAR
BEARING INSTALLATION

(1) Apply engine oil to the outer surface of bearing.
(2) Using special tools, install right rear bearing. Make sure

that oil hole of bearing is aligned with oil hole of cylinder
block.

"

B

A

LEFT COUNTERBALANCE SHAFT REAR
BEARING INSTALLATION

(1) Install the special tool (Guide Plate) to the cylinder block.
(2) Apply engine oil to the rear bearing outer circumference

and bearing hole in the cylinder block.

(3) Using the special tool, install the rear bearing.

NOTE
The left rear bearing has no oil holes.

MB991603

6EN1034

MD998705

MB991603

6EN0557

MB991603

Rear bearing

MD998705

ENGINE  – 

Front Case, Counterbalance Shaft and Oil Pan

11-54

"

C

A

COUNTERBALANCE SHAFT FRONT BEARING
INSTALLATION

Using special tools, install front bearing.

"

D

A

COUNTERBALANCE SHAFT OIL SEAL
INSTALLATION

Using a suitable socket wrench, install the counterbalance
shaft oil seal into the front case.

"

E

A

OIL PUMP OIL SEAL INSTALLATION

Using a suitable socket wrench, install the oil pump oil seal
into the front case.

"

F

A

CRANKSHAFT FRONT OIL SEAL INSTALLATION

Using the special tool, install the crankshaft front oil seal
into the front case.

6EN1035

MD998705

MD998705

Bearing

Cylinder block