Mitsubishi Evolution X. Manual — part 206

AK703362AC

Plastigage

CRANKSHAFT AND CYLINDER BLOCK

TSB Revision

ENGINE OVERHAUL

11B-71

5. Measure the crushed plastigage width (area most widely

crushed) using a scale printed on the plastigage bag.

Standard value: 0.038

− 0.069 mm (0.0015 − 0.0027 inch)

Limit: 0.10 mm (0.004 inch)

CRANKSHAFT AND CYLINDER BLOCK

REMOVAL AND INSTALLATION

M1113008702730

AK702223AC

6

→ +90˚

9.0 ± 2.0 N·m
80 ± 17 in-lb

7

8

11 ± 1 N·m
98 ± 8 in-lb

9

5

4

3

1

2

37.2 ± 2.0 N·m
28 ± 1 ft-lb

→ +90˚

Apply engine oil to
all moving parts
before installation.

Removal steps

>>E<<

1. Crankshaft bearing cap bolt <M8>

>>E<<

2. Crankshaft bearing cap bolt <M10>

>>E<<

3. Crankshaft bearing cap

>>D<<

4. Crankshaft bearing lower

<<A>>

5. Crankshaft

>>C<<

6. Crankshaft bearing upper

>>B<<

7. Thrust bearing

>>A<<

8. Crankshaft sensing ring
9. Cylinder block

CRANKSHAFT AND CYLINDER BLOCK

TSB Revision

ENGINE OVERHAUL

11B-72

REMOVAL SERVICE POINT

.

<<A>> CRANKSHAFT REMOVAL

After removing the crankshaft with the crankshaft sensing ring
attached, temporarily place it on a V-block to prevent teeth of
the sensing ring from deforming.
NOTE: If a tooth bends, be sure to replace the crankshaft sens-
ing ring with a new one.

INSTALLATION SERVICE POINTS

.

>>A<< CRANKSHAFT SENSING RING INSTALLA-
TION

AK502865AD

1

2

4

3

Crankshaft sensing ring

Tighten crankshaft sensing ring bolts to the specified torque in
the tightening order shown in the illustration.

Specified torque: 11

± 1 N⋅ m (98 ± 8 in-lb)

.

>>B<< THRUST BEARING INSTALLATION

1. Install the thrust bearing on the No. 3 bearing on the cylinder

block side. Application of engine oil makes the installation
easier.

AK502394

Groove

AE

2. Install the thrust bearing so that the grooved side is on the

crankshaft weight side.

.

Removal steps (Continued)

CRANKSHAFT AND CYLINDER BLOCK

TSB Revision

ENGINE OVERHAUL

11B-73

>>C<< CRANKSHAFT BEARING UPPER
INSTALLATION

AK702191AE

No.1

No.2

No.3

No.4

No.5

Engine front

1. When replacing the crankshaft bearing upper, select a

bearing with the size corresponding to the crankshaft journal
diameter in the table below.

AK502396

Groove

AH

Identification
mark

2. The crankshaft bearing upper has an identification mark at

the illustrated position.

Cylinder block

Crankshaft bearing

Identification mark

Journal diameter mm (in)

Identification mark

No. 1, 2, 4, 5

No. 3

No. 1, 2, 4, 5

No. 3

1

0

56.000

− 56.006 (2.2047 − 2.2050)

1

0

2

1

56.006

− 56.012 (2.2050 − 2.2052)

2

1

3

2

56.012

− 56.018 (2.2052 − 2.2054)

3

2

3. Install the selected crankshaft bearing upper.

.

CRANKSHAFT AND CYLINDER BLOCK

TSB Revision

ENGINE OVERHAUL

11B-74

>>D<< CRANKSHAFT BEARING LOWER
INSTALLATION

AK702193AE

No.1

No.2

No.3

No.4

No.5

Crankshaft journal identification stamp position

Crankshaft
front end

1. When replacing the crankshaft bearing lower, select a

bearing with the size corresponding to the crankshaft journal
diameter in the table below.

AK702194AC

Identification
mark

2. The crankshaft bearing lower has an identification color or

identification mark at the illustrated position.

3. Install the selected crankshaft bearing lower.

Cylinder block

Crankshaft bearing

Identification mark

Journal diameter mm (in)

Identification mark

No. 1, 2, 4, 5

No. 3

No. 1, 2, 4, 5

No. 3

0

8

51.985

− 51.988 (2.0467 − 2.0468)

0

8

1

9

51.982

− 51.985 (2.0465 − 2.0467)

1

9

2

0

51.979

− 51.982 (2.0464 − 2.0465)

2

0

3

1

51.976

− 51.979 (2.0463 − 2.0464)

3

1

4

2

51.973

− 51.976 (2.0462 − 2.0463)

4

2

.