Mitsubishi Evolution X. Manual — part 181
CRANKSHAFT OIL SEAL
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ENGINE MECHANICAL
11A-55
REMOVAL SERVICE POINT
.
<<A>> FLYWHEEL BOLTS REMOVAL
Fix the flywheel using special tool MB991883, and loosen the
flywheel bolts.
INSTALLATION SERVICE POINTS
.
>>A<< CRANKSHAFT REAR OIL SEAL CASE
ASSEMBLY INSTALLATION
1. Remove all the traces of sealant adhering to the cylinder
block and ladder frame using a remover or others. Then,
degrease them using quick-drying degreasing agent (white
gasoline).
2. Apply the sealant without any gap to the cylinder block and
ladder frame as shown in the figure. Within three minutes,
install the crankshaft rear oil seal case assembly.
Specified sealant: Three bond 1227D or equivalent
3. Apply a small amount of engine oil to the entire inner
diameter of the oil seal lip, and install the crankshaft rear oil
seal case assembly.
CAUTION
Do not apply oil or water to the sealant-applied area or
start up the engine within 2 hours after the installation of
the crankshaft rear oil seal.
4. Tighten the crankshaft rear oil seal case assembly mounting
bolts to the specified torque.
Tightening torque: 10
± 2 N⋅ m (89 ± 17 in-lb)
.
>>B<< FLYWHEEL/FLYWHEEL HUB
<TC-SST>/FLYWHEEL BOLTS INSTALLATION
1. Remove the engine oil and deposits from the flywheel bolt
threads, crankshaft tapped hole, and flywheel.
2. Install the flywheel and flywheel hub <TC-SST> to the
crankshaft.
AC506761 AD
MB991883
Cylinder block
AC704960AC
Cylinder block
Ladder frame
φ 2 mm or φ 3 mm
(
φ 0.08 in or φ 0.12 in)
1mm (0.04in)
CRANKSHAFT OIL SEAL
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ENGINE MECHANICAL
11A-56
3. Use special tool MB991883 to secure the flywheel assembly
in the same manner as removal.
4. Apply a small amount of engine oil to the bearing surfaces of
flywheel bolts and crankshaft tapped hole, and apply the
sealant to the bolt threads of flywheel.
Specified sealant: Three bond 1324 or equivalent
5. Tighten flywheel bolts to temporary torque 40 N
⋅ m (30 ft-lb)
in the order shown in the illustration.
6. Tighten flywheel bolts to specified torque in the order shown
in the illustration.
Tightening torque: 130 N
⋅ m (96 ft-lb)
.
>>C<< CRANKSHAFT FRONT OIL SEAL
INSTALLATION
1. Apply a small amount of engine oil to the entire inner
diameter of the oil seal lip.
CAUTION
When installing the crankshaft oil seal, be careful to avoid
damage to the crankshaft front oil seal.
2. Using special tool MB991448, press in the crankshaft front
oil seal up to the chamfered surface of timing chain case.
AC506761 AD
MB991883
Cylinder block
AC609795AE
AC609796
1
2
3
4
5
6
7
AB
AC506763 AC
MB991448
Timing chain case
CYLINDER HEAD GASKET
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ENGINE MECHANICAL
11A-57
CYLINDER HEAD GASKET
REMOVAL AND INSTALLATION
M1112004002770
Pre-removal operation
• Fuel Line Pressure Reduction [Refer to GROUP 13A,
On-vehicle Service
− Fuel Pump Connector Disconnection
(How to Reduce Pressurized Fuel Lines)
• Engine Room Under Cover Front A, B, Engine Room
Under Cover Center and Engine Room Side Cover (RH)
Removal (Refer to GROUP 51, Under Cover
• Engine Coolant Draining (Refer to GROUP 14, On-vehicle
Service
− Engine Coolant Replacement
• Air Cleaner Assembly Removal (Refer to GROUP 15, Air
Cleaner
• Charge Air Cooler Intake Hose A, B and Charge Air
Cooler Intake Pipe A Removal (Refer to GROUP 15,
Charge Air Cooler
).
• Ignition Coil Removal (Refer to GROUP 16, Ignition Sys-
tem
− Ignition Coil
).
• Strut Tower Bar Removal (Refer to GROUP 42A, Strut
Tower Bar
).
• Exhaust Manifold and Turbocharger Assembly Removal
(Refer to GROUP 15, Exhaust Manifold and Turbocharger
Assembly
• Throttle Body Assembly Removal (Refer to GROUP 13A,
Throttle Body Assembly
).
• Water Pump Removal (Refer to GROUP 14, Water Pump
Post-installation operation
• Water Pump Installation (Refer to GROUP 14, Water
Pump
• Throttle Body Assembly Installation (Refer to GROUP
• Exhaust Manifold and Turbocharger Assembly Installation
(Refer to GROUP 15, Exhaust Manifold and Turbocharger
Assembly
• Strut Tower Bar Installation (Refer to GROUP 42A, Strut
Tower Bar
).
• Ignition Coil Installation (Refer to GROUP 16, Ignition
System
− Ignition Coil
• Charge Air Cooler Intake Hose A, B and Charge Air
Cooler Intake Pipe A Installation (Refer to GROUP 15,
).
• Air Cleaner Assembly Installation (Refer to GROUP 15,
Air Cleaner
• Engine Coolant Refilling (Refer to GROUP 14, On-vehicle
Service
− Engine Coolant Replacement
• Fuel Leak Check
• Engine Room Under Cover Front A, B, Engine Room
Under Cover Center and Engine Room Side Cover (RH)
Installation (Refer to GROUP 51, Under Cover
CYLINDER HEAD GASKET
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ENGINE MECHANICAL
11A-58
AC704359AC
1
2
3
4
5
7
8
6
9
10
11
12
13
15
17
10 ± 2 N·m
89 ± 17 in-lb
23 ± 6 N·m
17 ± 4 ft-lb
N
N
14
16
(Engine oil)
23 ± 6 N·m
17 ± 4 ft-lb
23 ± 6 N·m
17 ± 4 ft-lb
Removal steps
1.
Control wiring harness
connection
2.
Radiator upper hose connection
3.
Radiator lower hose connection
4.
Heater hose connection
<<
A
>>
>>
F
5.
Fuel high-pressure hose
connection
6.
Fuel return hose connection
7.
Turbocharger by-pass valve
purge hose connection
8.
Canister vacuum hose
connection
9.
Brake booster vacuum hose
connection
10. Water pump intake pipe
11. O-ring
12. Engine oil level gauge
13. O-ring
14. Starter wiring harness clamp
15. Intake manifold stay (front)
16. Starter wiring harness clamp
17. Intake manifold stay (rear)
Removal steps (Continued)
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