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Mitsubishi Outlander (2013+). Manual - part 252

Removal steps

Camshaft bearing front cap
assembly

Camshaft bearing

Camshaft bearing oil feeding cap
(exhaust side)

Camshaft bearing cap (exhaust
side)

Camshaft bearing thrust cap
(exhaust side)

Camshaft and camshaft sprocket
assembly (exhaust side)

Camshaft bearing

Camshaft bearing oil feeding cap
(inlet side)

10. Camshaft bearing cap (inlet side)

11. Camshaft bearing cap (inlet side)

12. Camshaft bearing thrust cap (inlet

side)

13. Camshaft and camshaft sprocket

assembly (inlet side)

•

Spark plug (Refer to GROUP 16

−

Ignition System, Ignition Coil ).

14. Valve tappet

15. Valve spring retainer lock
16. Valve spring retainer
17. Valve spring

18. Valve stem seal

VALVE STEM SEAL

ENGINE MECHANICAL

11A-31

REMOVAL SERVICE POINTS

<<A>> CAMSHAFT BEARING FRONT
CAP ASSEMBLY REMOVAL

1. Temporarily install the engine oil pan which was

removed at the valve timing chain removal (Refer
to

P.11A-36

CAUTION

When supporting the engine and transmission
assembly with a garage jack, be careful not to
deform the engine oil pan.

2. Place a garage jack against the engine oil pan

with a piece of wood in between to support the
engine and transmission assembly.

AC506487

MB991527

MB991454

MB991928

MB991956

AC506484

MB991527

MB991454

MB991956

MB991895

3. Remove special tool engine hanger (MB991928

or MB991895) which was installed for supporting
the engine and transmission assembly when the
valve timing chain was removed.

CAUTION

Be careful not to drop the camshaft bearing.

AC506745

Engine front

Camshaft
bearing
front cap
assembly

4. Loosen the camshaft bearing front cap mounting

bolts in the order of number shown in the figure,
and remove the camshaft bearing front cap
assembly.

VALVE STEM SEAL

ENGINE MECHANICAL

11A-32

<<B>> CAMSHAFT BEARING OIL
FEEDING CAP/CAMSHAFT BEARING
CAP/CAMSHAFT BEARING THRUST CAP
REMOVAL

CAUTION

When the camshaft bearing cap mounting bolts
are loosened at once, the mounting bolts jump
out by the spring force and the threads are dam-
aged. Always loosen the mounting bolts in four
or five steps.

AC506746

Engine front

Camshaft bearing cap

Loosen the camshaft bearing cap mounting bolts in
the order of number shown in the figure in four or five
steps, and remove the camshaft bearing caps.

<<C>> VALVE TAPPET REMOVAL

CAUTION

• Do not use pliers or other tools to remove the

valve tappets. Always remove them by hands.

• When reusing the removed valve tappet, it

has to be installed in the same position as
before. Be sure to put a tab that shows the
original installation position on the valve tap-
pet when storing it.

AC509270

Valve tappet

Remove all of the valve tappets by hands.

<<D>> VALVE SPRING RETAINER LOCK
REMOVAL

AC509271

MD998772

MB992090

MB992089

1. Screw in special tool retainer holder attachment

(MB992090) to special tool valve spring
compressor (MD998772), and assemble special
tool retainer holder C (MB992089).

VALVE STEM SEAL

ENGINE MECHANICAL

11A-33

CAUTION

When removing the valve spring retainer lock,
leave the piston of the cylinder in the TDC (Top
Dead Centre) position. The valve may fall into the
cylinder if the piston is not properly in the TDC
position.

2. Install special tool MD998772 (with special tools

MB992090 and MB992089 attached) to the
cylinder head and compress the valve spring.
Then, remove the valve spring retainer lock.

<<E>> VALVE STEM SEAL REMOVAL

AK502782AB

Valve stem seal

MB992085

Use special tool valve stem seal pliers (MB992085)
to nip the base of the stem seal (where the outside
diameter is larger) securely, and remove it by twisting
it to the left and right.

INSTALLATION SERVICE POINTS

>>A<< VALVE STEM SEAL INSTALLA-
TION

1. Apply a small amount of engine oil to the valve

stem seals.

CAUTION

• Valve stem seals cannot be reused.
• Do not damage the wall of the tappet hole

when installing the valve stem seal.

•

AC308654AE

MD998737

Valve

Valve guide

Valve stem
seal

Special tool valve stem seal installer
(MD998737) must be used to install the valve
stem seal. Improper installation of the valve
stem seal could result in oil leaking past the
valve guide.

2. Use special tool valve stem seal installer

(MD998737) to press-fit a new valve stem seal in
the valve guide using the valve stem area as a
guide.

>>B<< VALVE SPRING RETAINER LOCK
INSTALLATION

AC509271

MD998772

MB992090

MB992089

VALVE STEM SEAL

ENGINE MECHANICAL

11A-34

In the same manner as removal, use special tool
valve spring compressor (MD998772) with special
tool retainer holder attachment (MB992090) and spe-
cial tool retainer holder C (MB992089) attached to
compress the valve spring, and install the valve
spring retainer lock.

>>C<< VALVE TAPPET INSTALLATION

1. Apply a small amount of engine oil to the valve

tappets.

CAUTION

• Do not use pliers or other tools to install the

valve tappets. Always install them by hand.

•

AC509270

Valve tappet

Be sure to install the valve tappets in the
same position as before.

2. Install the valve tappet to the cylinder head by

hand.

>>D<< CAMSHAFT BEARING THRUST
CAP/CAMSHAFT BEARING
CAP/CAMSHAFT BEARING OIL FEEDING
CAP INSTALLATION

AC506778

E 5

Engine front

Camshaft bearing cap

Bearing cap No.

Identification of inlet side
and exhaust side

1. Install the camshaft bearing caps to the cylinder

head.

NOTE: Because the camshaft bearing thrust cap
and camshaft bearing cap are the same in shape,
check the cap number and additionally its symbol
to identify the inlet and exhaust sides for correct
installation.

2. Tighten each camshaft bearing cap mounting

bolts to the specified torque in the order of
number shown in the figure in two or three steps.

Tightening torque: 12

± 1 N⋅m

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