Mitsubishi Colt Ralliart. Manual - part 650

CAMSHAFT AND VALVE STEM SEAL

ENGINE MECHANICAL <4G1>

11C-20

CAMSHAFT AND VALVE STEM SEAL

REMOVAL AND INSTALLATION

M1112006601269

CAUTION

* Remove and assemble the marked parts in each cylinder unit.

Pre-removal Operation
• Air Cleaner Intake Duct, Air Cleaner Assembly and Air 

Cleaner Duct Removal (Refer to GROUP 15, Air Cleaner 

P.15-6

).

• Valve Timing Belt Removal (Refer to 

P.11C-37

).

Post-installation Operation
• Valve Timing Belt Installation (Refer to 

P.11C-37

).

• Air Cleaner Intake Duct, Air Cleaner Assembly and Air 

Cleaner Duct Installation (Refer to GROUP 15, Air 

Cleaner 

P.15-6

).

• Drive Belt Tension Check and Adjustment (Refer to 

P.11C-8

).

AC402279AE

2

11 ± 1 N·m

3

4

5

7

8

12

9

9.0 ± 2.0 N·m

14 ± 1 N·m

10

13

22 ± 4 N·m

14

15

16

55 ± 5 N·m

88 ± 10 N·m

21 ± 3 N·m

17

18

22

25 ± 1 N·m

20

11 ± 1 N·m

23

21

19

25 ± 1 N·m

25

26

24

27

31

33

34

32

28

30

35

36

37

38*

N

39*

40*

41*

38*

39*

40*

N

42*

N

N

N

N

N

11

5.0 ± 1.0 N·m to 7.0 ± 1.0 N·m

6

5

1

29

When the camshaft 
is installed, apply 
engine oil on the 
sliding parts.

Main

Index

Group

TOC

Removal steps 

1.

Engine cover

>>

N

<<

2.

Oil control valve

•

Ignition coil (Refer to GROUP 16, 
Ignition System 

− Ignition Coil 

P.16-37

).

3.

Control wiring harness clamp

4.

Rocker cover PCV hose connection

5.

Vacuum hose connection

>>M<<

6.

Rocker cover assembly

7.

Spark plug hole gasket

8.

Rocker cover gasket

9.

Noise condenser

10. Camshaft position sensor 

connector

11. Air intake pipe bracket

>>

L

<<

12. Camshaft position sensor support

>>

K

<<

13. Camshaft position sensing cylinder

<<

A

>>

14. Camshaft sprocket cap
15. Washer

<<

B

>>

>>

J

<<

16. Camshaft sprocket (inlet side)

>>

H

<<

17. Camshaft oil seal

>>

F

<<

18. Camshaft bearing cap, front

>>

F

<<

19. Camshaft bearing cap, rear right

>>

F

<<

20. Camshaft bearing cap, No.2

>>

F

<<

21. Camshaft bearing cap, No.5

>>

F

<<

22. Camshaft bearing cap, No.3

>>

F

<<

23. Camshaft bearing cap, No.4

>>

E

<<

24. Inlet camshaft

<<

B

>>

>>

I

<<

25. Camshaft sprocket (exhaust side)

>>

H

<<

26. Camshaft oil seal

>>

F

<<

27. Camshaft bearing cap, front

>>

F

<<

28. Camshaft bearing cap, rear left
29. Waste gate solenoid valve 

connector

>>

G

<< 30. Cylinder head camshaft end seal

>>

F

<<

31. Camshaft bearing cap, No.2

>>

F

<<

32. Camshaft bearing cap, No.5

>>

F

<<

33. Camshaft bearing cap, No.3

>>

F

<<

34. Camshaft bearing cap, No.4

>>

E

<<

35. Exhaust camshaft
36. Rocker arm

>>

D

<<

37. Rocker arm lash adjuster

<<

C

>>

>>

C

<<

38. Valve spring retainer lock
39. Valve spring retainer

>>

B

<<

40. Valve spring

>>

A

<<

41. Inlet valve stem seal

>>

A

<<

42. Exhaust valve stem seal

CAMSHAFT AND VALVE STEM SEAL

ENGINE MECHANICAL <4G1>

11C-21

Removal steps (Continued)

Main

Index

Group

TOC

CAMSHAFT AND VALVE STEM SEAL

ENGINE MECHANICAL <4G1>

11C-22

LUBRICATION AND SEALING POINTS

AC404024

Sealant: 
MITSUBISHI GENUINE 
PART MD970389 or 
equivalent

Sealant: MITSUBISHI GENUINE 
PART MD970389 or equivalent

Sealant: MITSUBISHI GENUINE PART MD970389 or equivalent

<Top view of cylinder head>

(Lip section)

Engine oil

10 mm

10 mm

10 mm

<View A>

A

A

A

A

φ 3 mm

Main

Index

Group

TOC

CAMSHAFT AND VALVE STEM SEAL

ENGINE MECHANICAL <4G1>

11C-23

REMOVAL SERVICE POINTS
<<A>> CAMSHAFT SPROCKET CAP 
REMOVAL

AC207175

AB

Hexagonal wrench

Remove the camshaft sprocket cap with a 8-mm 
hexagonal wrench.

<<B>> CAMSHAFT SPROCKET 
REMOVAL

AC402636AB

1. Hold the hexagon part of the camshaft with a 

wrench.

2. Loosen the camshaft sprocket mounting bolt and 

remove the camshaft sprocket.

<<C>> VALVE SPRING RETAINER LOCK 
REMOVAL

CAUTION

When removing valve spring retainer locks, leave 
the piston of each cylinder in the TDC (Top Dead 
Centre) position. The valve may fall into the cylin-
der if the piston is not properly in the TDC posi-
tion.

AC402635

MD998772

AB

Use special tool valve spring compressor 
(MD998772) to compress the valve spring and then 
remove the valve spring retainer lock.

INSTALLATION SERVICE POINTS
>>A<< EXHAUST VALVE STEM 
SEAL/INLET VALVE STEM SEAL INSTAL-
LATION

AC201542

AB

Exhaust side

Inlet side

Grey

Grey green

1. Check the valve stem seal colour to identify the 

inlet side or exhaust side.

2. Apply a small amount of engine oil to the valve 

stem seal.

Main

Index

Group

TOC