Mitsubishi Outlander GS45X. Manual — part 478

VALVE STEM SEAL

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ENGINE MECHANICAL <2.4L ENGINE>

11A-43

<<C>> VALVE TAPPET REMOVAL

CAUTION

• Do not use pliers or other tools to remove the valve tap-

pets. Always remove them by hand.

• 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 tappet when storing it.

Remove all of the valve tappets by hand.

.

<<D>> VALVE SPRING RETAINER LOCK
REMOVAL

1. Screw in special tool MB992090 to special tool MD998772

and assemble special tool MB992089.

CAUTION

When removing the valve spring retainer lock, leave the
piston of the cylinder in the TDC (Top Dead Center) posi-
tion. 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.

.

AC509270

AC

Valve tappet

AC509271

AC

MD998772

MB992090

MB992089

VALVE STEM SEAL

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ENGINE MECHANICAL <2.4L ENGINE>

11A-44

<<E>> VALVE STEM SEAL REMOVAL

Use special tool MB992085 to grip the base of the valve 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 INSTALLATION

CAUTION

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

ing the valve stem seal.

• Special tool 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.

1. Apply a small amount of engine oil to the press-fit part and

lip part of the new valve stem seal.

2. Use special tool MD998737 to press-fit a new valve stem

seal in the valve guide using the valve stem area as a guide.

.

AC608112 AB

Valve stem seal

MB992085

AC708679AC

AC308654AG

MD998737

Valve

Valve guide

Valve stem
seal

VALVE STEM SEAL

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ENGINE MECHANICAL <2.4L ENGINE>

11A-45

>>B<< VALVE SPRING RETAINER LOCK
INSTALLATION

In the same manner as removal, use special tool MD998772
with special tool MB992090 and special tool 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

Be sure to install the valve tappets in the same position as
before.
2. Install the valve tappet to the cylinder head.

.

AC509271

AC

MD998772

MB992090

MB992089

AC509270

AC

Valve tappet

VALVE STEM SEAL

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ENGINE MECHANICAL <2.4L ENGINE>

11A-46

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

1. Install the camshaft bearing caps to the cylinder heads.

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

2. Tighten each camshaft bearing cap to the specified torque in

the order of number shown in the figure in two or three
steps.

Tightening torque: 12

± 1 N⋅m (107 ± 8 in-lb)

.

AC506778

AC

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

E 5

Engine front

Camshaft bearing cap

Camshaft bearing cap

Bearing cap No.

Identification of intake side
and exhaust side