Mitsubishi Lancer Evolution IX. Manual — part 345
EXHAUST MANIFOLD AND TURBOCHARGER
INTAKE AND EXHAUST
15-11
REMOVAL SERVICE POINTS
<<A>> OXYGEN SENSOR (FRONT)
REMOVAL
ACX02426 AB
MD998770
Use special tool oxygen sensor wrench (MD998770)
to remove the oxygen sensor (front).
<<B>> TURBOCHARGER OIL FEED PIPE
REMOVAL
CAUTION
Take care not to allow foreign objects to get into
the oil passage hole of the turbocharger assem-
bly after the turbocharger oil feed pipe is
removed.
INSTALLATION SERVICE POINTS
>>A<< TURBOCHARGER ASSEMBLY
INSTALLATION
AC210649AB
1. Clean the oil pipe and water pipe fitting, the inside
of eye bolts, and individual pipe for clogs.
CAUTION
Take care not to allow foreign objects to get into
the turbocharger assembly.
2. Clean or use compressed air to remove any
carbon particles stuck to the oil passage of the
turbocharger assembly.
3. Refill new engine oil at the oil feed pipe fitting hole
of the turbocharger assembly.
•
Starter motor (Refer to GROUP 16,
Starting System
− Starter Motor
Assembly
).
9. Turbocharger oil return pipe
>>
C
<< 10. Turbocharger oil return pipe gasket
11. Turbocharger oil return pipe gasket
12. Vacuum hose connection
13. Air outlet fitting
>>
B
<< 14. Air outlet fitting gasket
15. Vacuum hose connection
16. Exhaust fitting bracket
Removal steps (Continued)
17. Turbocharger and exhaust fitting
assembly
18. Turbocharger gasket
>>
A
<< 19. Turbocharger assembly
20. Exhaust fitting gasket
21. Exhaust fitting assembly
22. Turbocharger water return pipe and
hose assembly
23. Gaskets
24. Exhaust manifold
25. Exhaust manifold gasket
Removal steps (Continued)
EXHAUST MANIFOLD AND TURBOCHARGER
INTAKE AND EXHAUST
15-12
>>B<< AIR OUTLET FITTING GASKET
INSTALLATION
AC210650 AB
Turbocharger
assembly
Protrusion
View A
A
Install the gasket so that its protrusion faces in the
direction shown in the illustration.
>>C<< TURBOCHARGER OIL RETURN
PIPE GASKET INSTALLATION
AC210682AB
Turbocharger
oil return pipe
Turbocharger oil return
pipe gasket protrusion
Install the gasket so that its protrusion faces in the
direction shown in the illustration.
>>D<< OXYGEN SENSOR (FRONT)
INSTALLATION
ACX02426 AB
MD998770
Use special tool oxygen sensor wrench (MD998770)
to install the oxygen sensor (front).
INSPECTION
M1151009400013
Check the following points; replace the part if a prob-
lem is found.
Exhaust Manifold Check
1. Check for damage or cracking of any part.
2. Using a straight edge and a feeler gauge, check
for distortion of the cylinder head installation
surface.
Standard value: 0.15 mm or less
Limit: 0.20 mm
Turbocharger Assembly Check
AC210683AB
Compressor wheel
1. Visually check the turbine wheel and the
compressor wheel for cracking or other damage.
2. Check whether the turbine wheel and the
compressor wheel can be easily turned by hand.
3. Check for oil leakage from the turbocharger
assembly.
4. Check whether or not the turbocharger waste gate
regulating valve remains open. If any problem is
found, replace the part after disassembly.
EXHAUST PIPE AND MAIN MUFFLER
INTAKE AND EXHAUST
15-13
EXHAUST PIPE AND MAIN MUFFLER
REMOVAL AND INSTALLATION
M1151008700390
AC310642
13 ± 2 N·m
45 ± 5 N·m
59 ± 10 N·m
50 ± 5 N·m
49 ± 10 N·m
7
6
9
8
4
5
1
3
2
N
N
N
N
AB
13 ± 2 N·m
13 ± 2 N·m
10
11
5
11
Exhaust main muffler removal
steps
1. Exhaust main muffler
3. Exhaust pipe gasket
5. Exhaust muffler hangers
Centre exhaust pipe removal steps
2. Centre exhaust pipe
3. Exhaust pipe gasket
4. Exhaust pipe gasket
6. Exhaust pipe hanger
Front exhaust pipe removal steps
•
Under cover (Refer to GROUP 51,
Front Bumper Assembly
).
•
Crossmember bar (Refer to GROUP
32, Engine Roll Stopper,
Centremember
).
7. Springs
8. Front exhaust pipe
9. Seal ring
10. Exhaust pipe gasket
11. Exhaust pipe hangers
NOTES
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