Mitsubishi Outlander (2013+). Manual - part 272

AK503333AC

30˚

60˚

30˚

1.35 – 1.65 mm

1.16 – 1.46 mm

45˚

45˚

CYLINDER HEAD AND VALVES

ENGINE OVERHAUL

11B-42

2. Repair the valve seat so that seat width and seat 

angle are to the specified shape.

3. Lap valve and valve seat with lapping compound 

after repairing valve seat.

REPLACEMENT PROCEDURE OF VALVE 
SEAT

AK300719AB

0.5 – 1 mm

0.5 – 1 mm

Cut

1. Scrape the valve seat to be replaced from inside 

to make its wall thickness thin before pulling out.

AK300720AB

Oversize hole diameter

Valve seat
height

2. Repair the valve seat hole of the cylinder head to 

match it with the diameter of the oversize valve 
seat to be press fitted.

Inlet valve seat bore diameter:

0.3 O.S.: 36.22 

− 36.24 mm

Exhaust valve seat bore diameter:

0.3 O.S.: 30.22 

− 30.24 mm

3. Press fit the valve seat, taking care not to score 

the cylinder head bore at room temperature.

4. Ream the valve seat.

Refer to "Repair procedure of valve seat."

REPLACEMENT PROCEDURE OF VALVE 
GUIDE

1. Pull out the valve guide with a press toward the 

cylinder block side.

2. Ream the valve guide hole of the cylinder head to 

match it with the diameter of the oversize valve 
guide to be press fitted.

CAUTION

Do not use a valve guide with the same size as 
that of the pulled out valve guide because it can-
not be press fitted.

Valve guide bore diameter

0.25 O.S.: 11.23 

− 11.25 mm

AK603511AC

14.6 – 15.2 mm

3. Press fit the valve guide to the illustrated 

dimension.

Standard value: 14.6 

− 15.2 mm

NOTE: Press fit the valve guide from the cylinder 
head top surface.

4. After pressing fit the valve guide, insert a new 

valve to check for sliding.

OIL PUMP CHAIN <4B11>

ENGINE OVERHAUL

11B-43

OIL PUMP CHAIN <4B11>

REMOVAL AND INSTALLATION

M1113033700572

AKB00721

1

2

3

8

5

9

6

4

24 ± 2 N·m

AB

7

10

11

10 ± 2 N·m

26 ± 2 N·m

23 ± 2 N·m

10 ± 2 N·m

Apply engine oil to
all moving parts
before installation.

40 N·m

 

130 N·m

Removal steps 

<<A>>

>>E<<

1. Drive plate bolt
2. Adapter plate
3. Drive plate

>>D<<

4. Rear oil seal
5. Oil pump chain guide
6. Oil pump tensioner lever

>>C<<

7. Oil pump chain

<<B>>

>>C<<

8. Oil pump sprocket
9. Oil pump case

>>B<<

10. Crankshaft sprocket

<<C>>

>>A<<

11. Ladder frame

Removal steps (Continued)

OIL PUMP CHAIN <4B11>

ENGINE OVERHAUL

11B-44

REMOVAL SERVICE POINTS

<<A>> DRIVE PLATE BOLT REMOVAL

AK502869AC

MB991883

1. Use special tool Flywheel stopper (MB991883) to 

secure the drive plate.

2. Remove the drive plate bolt.

<<B>> OIL PUMP SPROCKET REMOVAL

AK703732

AD

MB991346

Oil pump sprocket

Fix the oil pump sprocket with a special tools Top 
cover wrench (MB991346), loosen a centre bolt, and 
remove the oil pump sprocket.

<<C>> LADDER FRAME REMOVAL

AK502755AC

Boss

1. Pry the illustrated position with a screwdriver or 

tap the boss with a hammer.

AK502756

2. If the ladder frame does not come off, insert a 

flatblade screwdriver into the gap between the 
ladder frame and bearing cap as shown in the 
illustration and lightly pry it to remove the ladder 
frame.

INSTALLATION SERVICE POINTS

>>A<< LADDER FRAME INSTALLATION

CAUTION

Be sure to remove liquid gasket that has entered 
mounting holes.

1. Completely remove liquid gasket adhering to the 

cylinder block and ladder frame.

CAUTION

Sufficiently check that there is no residual oil on 
the place where degreasing is performed. If fin-
gerprints are left, do not touch it with bare hands 
after the degreasing, since the oils from your fin-
gers will harm the seal ability.

2. Degrease the surface where the liquid gasket is 

applied and the contact surface between the 
cylinder block and ladder frame.

AK502868

1 mm

8.5 mm

3 mm

8.5 mm

1.75 mm

3 mm

AC

OIL PUMP CHAIN <4B11>

ENGINE OVERHAUL

11B-45

3. Squeeze liquid gasket of 

φ2.5 ± 0.5 mm in 

thickness and apply it to the illustrated position of 
the ladder frame.

Specified sealant:

ThreeBond 1217G or equivalent

AKB00722AC

1

3

6

2

4

5

7

9

10

8

11

12

4. Tighten the ladder frame to the specified torque of 

24 

± 2 N⋅m in the order shown in the illustration.

>>B<< CRANKSHAFT SPROCKET 
INSTALLATION

AK603521AE

Crankshaft sprocket

Crankshaft

Engine
front

: Wipe clean with a rag.
: Wipe clean with a rag and degrease.

1. Wipe off the dirt on the crankshaft sprocket and 

the crankshaft using a rag, and then remove the 
grease from the portion shown in the illustration.

NOTE: Remove grease to prevent a drop in the 
coefficient of friction of the pressing portion 
caused by adhesion of oil.

2. Set the No. 1 piston at top dead centre on the 

compression stroke.

3. Install the crankshaft sprocket to the crankshaft.

>>C<< OIL PUMP SPROCKET / OIL PUMP 
CHAIN INSTALLATION

1. Set the No. 1 piston at top dead centre on the 

compression stroke.

AK703732

AD

MB991346

Oil pump sprocket

2. Using the special tool Top cover wrench 

(MB991346), install the oil pump sprocket to the 
oil pump case.

3. Install the oil pump chain to the crankshaft 

sprocket.

4. Install the oil pump chain to the oil pump sprocket.