Mitsubishi Lancer Evolution 8. Manual — part 150
4G6 ENGINE – SPECIAL TOOLS, ENGINE ADJUSTMENT, CAMSHAFT, VALVE STEM SEAL
11A-2
Tool
Number
Name
Function
Camshaft oil seal insertion
ENGINE ADJUSTMENT
1. Checking compression pressure
The crank angle sensor connector position has been
changed.
CAMSHAFT, VALVE STEM SEAL
Removal and Fitting
Caution
1. When Brembo brake callipers are used, there is concern over paint peeling off, so when doing servicing work,
make sure they are not scratched by other components and tools. Furthermore, if any brake fluid gets onto the
calipers, it should be wiped off immediately.
2. The fitting and removal of parts marked with an * should be carried out for each cylinder.
Jobs to do before removal and after fitting
• Removal and fitting of undercover (refer to Chapter 51 Front Bumper)
• Checking drive belt tension <only after fitting>
• Draining and filling of coolant
• Removal and fitting of air duct
• Removal and fitting of air pipe C (refer to Chapter 15 Intercooler)
• Removal and fitting of timing belt (refer to P.11A-12)
crank angle sensor
connector
MD998713
Camshaft
Oil seal
Installer
4G6 ENGINE- CAMSHAFT , VALVE STEM SEAL
11A-3
Removal procedure
1. Breather hose
• Air bag ASSY
(refer to Chapter 15-2 Secondary Air Control
System)
2. Centre cover
• Ignition coil
(refer to Chapter 16 Ignition
Equipment)
3. O2 sensor connector
4. Crank angle sensor connector
5. Connecting the control harness
6. PCV hose
7. Radiator upper hose
8. Camshaft position sensor connector
9. Connecting earth cable
10. Rocker cover ASSY
11. Camshaft end seal
12. Spark plug hole gasket
13. Rocker cover gasket
A
N
M
L
K
14. Camshaft position sensor
support cover
15. Camshaft position sensor
support cover gasket
16. Camshaft position sensing
cylinder
17. Camshaft position sensor
support
18. Camshaft sprocket
19. Camshaft oil seal
20. Camshaft bearing cap front
21. Camshaft bearing cap rear
22. Camshaft bearing cap No.2
23. Camshaft bearing cap No.5
24. Camshaft bearing cap No.3
25. Camshaft bearing cap No.4
26. Inlet camshaft
27. Exhaust camshaft
28. Rocker arm
29. Lash adjuster
30. Oil delivery body
31. Spark plug
32. Valve spring retainer lock
33. Valve spring retainer
34. Valve spring
35. Inlet valve stem seal
36. Exhaust valve stem seal
When assembling, apply
engine oil to all sliding
parts
J
I
B
H
G
F
F
F
F
F
F
E
E
D
C
C
B
A
A
4G6 ENGINE – CAMSHAFT, VALVE STEM SEAL
11A-4
4G6 ENGINE- CAMSHAFT , VALVE STEM SEAL
11A-5
Lubricant and seal application locations
<View of rocker cover lower surface>
Semi-dry sealant: Three Bond 1207D
<View from A>
Semi-dry sealant: Three
Bond 1207D
Engine oil
(Lip part)
Rocker
Cover
Cylinder
head
Semi-dry sealant: Three Bond 1211
Semi-dry sealant: Three Bond 1207F
Ø 3mm
<View of cylinder head upper surface>
Semi-dry sealant: Three Bond 1207D
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