Mitsubishi Lancer Evolution IX. Manual — part 332
CAMSHAFT AND VALVE STEM SEAL
ENGINE MECHANICAL
11A-17
CAMSHAFT AND VALVE STEM SEAL
REMOVAL AND INSTALLATION
M1112006601076
CAUTION
• If the vehicle is equipped with the Brembo™ disc brake, during maintenance, take care not to con-
tact the parts or tools to the caliper because the paint of caliper will be scratched.
•
Pre-removal Operation
• Under Cover Removal (Refer to GROUP 51, Front
).
• Side Cover Removal
• Engine Coolant Draining (Refer to GROUP 14, On-vehicle
Service
− Engine Coolant Replacement
• Air Duct Removal (Refer to GROUP 15, Air Cleaner
).
• Air Pipe C Removal (Refer to GROUP 15, Intercooler
).
• Accelerator Cable Removal (Refer to GROUP 17, Accel-
erator Cable and Pedal
). <LH drive vehicles>
• Valve Timing Belt Removal (Refer to
).
Post-installation Operation
• Valve Timing Belt Installation (Refer to
).
• Accelerator Cable Installation (Refer to GROUP 17,
Accelerator Cable and Pedal
). <LH drive vehicles>
• Air Pipe C Installation (Refer to GROUP 15, Intercooler
).
• Air Duct Installation (Refer to GROUP 15, Air Cleaner
).
• Engine Coolant Refilling (Refer to GROUP 14, On-vehicle
Service
− Engine Coolant Replacement
• Drive Belt Tension Check (Refer to
• Side Cover Installation
• Under Cover Installation (Refer to GROUP 51, Front
).
• Accelerator Cable Adjustment (Refer to GROUP 17,
On-vehicle Service
− Accelerator Cable Check and
Adjustment
). <LH drive vehicles>
*Remove and assemble the marked parts in each cylinder unit.
AC504945
11 ± 1 N·m
11 ± 1 N·m
3.0 ± 0.5 N·m
3.0 ± 0.5 N·m
11 ± 1 N·m
5.0 ± 1.0 N·m
8.8 ± 1.0 N·m
11 ± 1 N·m
1
2
3
5
6
8
17
18
12
10
13
11
16
9
4
14
7
15
N
N
N
AB
Removal steps
1.
Oil feeder control valve connector
>>
O
<<
2.
Oil feeder control valve
>>
O
<<
3.
O-ring
4.
Rocker cover centre cover
•
Spark plug cables and ignition
coils (Refer to GROUP 16,
Ignition Coil
).
5.
Oxygen sensor (Front) connector
6.
Crank angle sensor connector
7.
Control wiring harness
connection
8.
Rocker cover PCV hose
9.
Rocker cover breather hose
<<
A
>>
>>
N
10. Radiator upper hose connection
11. Camshaft position sensor
connector (exhaust side)
12. Camshaft position sensor
connector (inlet side)
13. Earth terminal
14. Control wiring harness
connection
15. Vacuum hose and pipe assembly
>>
M
<<
16. Rocker cover
17. Spark plug hose gaskets
18. Rocker cover gasket
CAMSHAFT AND VALVE STEM SEAL
ENGINE MECHANICAL
11A-18
Removal steps (Continued)
AC406533
22 ± 4 N·m
19
89 ± 9 N·m
20
21
25
20 ± 1 N·m
23
26
24
22
28
29
27
30
33
35
36
34
31
32
37
38
39
40
41
42
43
44
N
10 ± 2 N·m
10 ± 2 N·m
22 ± 4 N·m
N
14 ± 1 N·m
14 ± 1 N·m
N
AC
N
32 ± 2 N·m
65 ± 5 N·m
45
46
Apply engine oil
to all moving
parts before
installation.
Removal steps
19. Camshaft position sensor support
cover
20. Camshaft position sensor support
cover gasket
>>
L
21. Camshaft position sensing cylinder
(exhaust side)
>>
J
<<
22. Camshaft position sensor support
23. Camshaft position sensor support
cover
24. Camshaft position sensor support
cover gasket
>>
K
<<
25. Camshaft position sensing cylinder
(inlet side)
>>
J
<<
26. Camshaft position sensor support
<<
B
>>
>>
I
<<
27. Camshaft sprocket (exhaust side)
>>
G
<< 28. Camshaft oil seal
>>
F
29. Camshaft bearing cap, front
>>
F
<<
30. Camshaft bearing cap, rear
>>
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. Camshaft sprocket cap
37. Washer
<<
B
>>
>>
H
38. Camshaft sprocket (inlet side)
>>
G
<< 39. Camshaft oil seal
>>
F
<<
40. Camshaft bearing cap, front
>>
F
<<
41. Camshaft bearing cap, rear
>>
F
<<
42. Camshaft bearing cap, No.2
>>
F
<<
43. Camshaft bearing cap, No.5
>>
F
<<
44. Camshaft bearing cap, No.3
>>
F
<<
45. Camshaft bearing cap, No.4
>>
E
46. Inlet camshaft
CAMSHAFT AND VALVE STEM SEAL
ENGINE MECHANICAL
11A-19
Removal steps (Continued)
AC406534
47
N
48
49
50
51*
52*
53*
54*
55*
51*
52*
53*
N
AC
25 ± 4 N·m
11 ± 1 N·m
Removal steps
47. Rocker arms
>>
D
<<
48. Rocker arm lash adjusters
49. Oil delivery body
50. Spark plugs
<<
C
>>
>>
C
51. Valve spring retainer locks
52. Valve spring retainers
>>
B
53. Valve springs
>>
A
54. Inlet valve stem seals
>>
A
55. Exhaust valve stem seals
CAMSHAFT AND VALVE STEM SEAL
ENGINE MECHANICAL
11A-20
REMOVAL SERVICE POINTS
<<A>> RADIATOR UPPER HOSE DISCON-
NECTION
AC200641AB
Mating marks
Make mating marks on the radiator hose and the
hose clamp. Disconnect the radiator hose.
<<B>> CAMSHAFT SPROCKETS
REMOVAL
AC407095AC
1. Hold the hexagon part of the camshaft with a
wrench.
2. Loosen the camshaft sprocket mounting bolts and
remove the camshaft sprocket.
Removal steps (Continued)
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