Mitsubishi Evolution X. Manual - part 191

GENERATOR AND IGNITION SYSTEM

TSB Revision

ENGINE OVERHAUL

11B-11

REMOVAL SERVICE POINT

.

<<A>> CRANKSHAFT PULLEY CENTER BOLT 
REMOVAL

AK703300

MB991883

AC

AK703139AC

MD998719

MB990767

1. Use special tool MB991883 to secure the flywheel.

Use the special tool MB990767 and MD998719 to insert the 
pin into the crankshaft pulley hole and prevent it from 
rotating.

2. Remove the crankshaft pulley center bolt.

.

<<B>> SPARK PLUG REMOVAL

AK600875

MB991398

AC

Spark plug

Using special tool MB991398, removal the spark plug.

INSTALLATION SERVICE POINTS

.

>>A<< SPARK PLUGS INSTALLATION 

AK600875

MB991398

AC

Spark plug

Using special tool MB991398, tighten the spark plug to the 
specified torque.

Specified torque: 18 

± 2 N⋅ m (13 ± 1 ft-lb)

GENERATOR AND IGNITION SYSTEM

TSB Revision

ENGINE OVERHAUL

11B-12

.

>>B<< CRANKSHAFT PULLEY / CRANKSHAFT 
PULLEY WASHER / CRANKSHAFT PULLEY 
CENTER BOLT INSTALLATION

AK703299

MB991883

AC

AK703139AC

MD998719

MB990767

1. Use special tool MB991883 to secure the flywheel.

Use the special tool MB990767 and MD998719 to insert the 
pin into the crankshaft pulley hole and prevent it from 
rotating.

AK602911

AG

Engine front

Crankshaft pulley 
washer

Crankshaft

Crankshaft pulley

Crankshaft 
pulley center bolt

Crankshaft
sprocket

: Wipe clean with a rag.
: Wipe clean with a rag and degrease.
: Wipe clean with a rag, degrease and
  apply a small amount of engine oil.

2. Wipe off the dirt on the crankshaft pulley washer and on the 

thread hole of the crankshaft using a rag.

3. Wipe off the dirt on the crankshaft pulley and the crankshaft 

sprocket using a rag, and then remove the grease from the 
portion shown in the illustration.
NOTE: Remove grease to prevent the coefficient of friction 
of the pressing portion from declining due to adhesion of oil.

4. Install the crankshaft pulley.
5. Apply an appropriate and minimum amount of engine oil to 

the threaded portion of the crankshaft and lower part of the 
flange.

6. With off the chamfered side on the inside of the washer 

facing the bolt top, install the washer to the crankshaft pulley 
center bolt.

7. Tighten the crankshaft pulley center bolt to 250 N

⋅ m (164 

ft-lb)

8. Loosen the crankshaft pulley center bolt fully.
9. Tighten the crankshaft pulley center bolt to 110 N

⋅ m (81 

ft-lb).

AK703140AC

A

B

60˚

Paint mark

Cankshaft pulley
center bolt

GENERATOR AND IGNITION SYSTEM

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ENGINE OVERHAUL

11B-13

10.As shown in the illustration "A," apply the paint mark to the 

crankshaft pulley on the extended line of the corner adjacent 
to the one of the crankshaft pulley center bolt corners.

CAUTION

• When the tightening angle is smaller than the specified 

tightening angle, the appropriate tightening capacity 
cannot be secured.

• When the tightening angle is larger than the specified 

tightening angle, remove the bolt to start from the 
beginning again according to the procedure.

11.Tighten the crankshaft pulley center bolt by 60

°  once more. 

Make sure the paint mark of crankshaft pulley center bolt is 
aligned with the paint mark of crankshaft pulley as shown in 
the illustration "B."

.

>>C<< GENERATOR / POWER STEERING PUMP 
BRACKET INSTALLATION

AK503383AD

Generator

1

2

3

4

5

Power steering 
pump bracket

75 mm 
(2.95 in)

80 mm 
(3.15 in)

1. Temporarily tighten power steering pump bracket bolts.

CAUTION

Always loosen the power steering pump bracket bolt, and 
temporarily install the generator. Then tighten each bolt.
2. Loosen the power steering pump bracket bolts and make 

the power steering pump bracket unfixed.

3. Temporarily install the generator with the generator bolts.
4. Tighten them to the specified torque according to the order 

as illustrated.

Specified torque

Power steering pump bracket:

M8 23 

± 2 N⋅ m (17 ± 1 ft-lb)

M10 44 

± 8 N⋅ m (33 ± 5 ft-lb)

Generator: 44 

± 10 N⋅ m (32 ± 7 ft-lb)

THROTTLE BODY

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ENGINE OVERHAUL

11B-14

THROTTLE BODY

REMOVAL AND INSTALLATION

M1113009800057

AK703825AB

4

1

2

11 ± 1 N·m
98 ± 8 in-lb

5

6

24 ± 3 N·m
18 ± 1 ft-lb

9.5 ± 2.5 N·m
84 ± 22 in-lb

23 ± 6 N·m
17 ± 4 ft-lb

3

8

14 ± 1 N·m
128 ± 8 in-lb

7

9

5.0 ± 1.0 N·m
48 ± 8 in-lb

10

Removal steps 

1. Vacuum pipe and hose assembly
2. Vacuum hose
3. Vacuum hose
4. Solenoid valve
5. Throttle body

>>B<<

6. Throttle body gasket

7. Air temperature sensor
8. Gasket

>>A<<

9. Manifold absolute pressure (MAP) 

sensor

10.O-ring

Removal steps (Continued)