Mitsubishi Outlander GS45X. Manual - part 500

CAMSHAFT AND VALVE STEM SEAL

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ENGINE MECHANICAL <3.0L ENGINE>

11C-37

<<D>> VALVE SPRING RETAINER LOCK 
REMOVAL

CAUTION

When removing valve spring retainer locks, leave the pis-
ton of each cylinder in the TDC (Top Dead Center) position. 
The valve may fall into the cylinder if the piston is not 
properly in the TDC position.
Use special tool MD998772 to compress the valve spring, and 
remove the valve spring retainer locks.

NOTE: Installation position of special tool MD998772 is differ-
ent between exhaust side and intake side.

.

AC703063

<Left bank>

MD998772

AB

AC703064

<Right bank>

MD998772

AB

AC703055

Installation position

<Right bank>

<Left bank>

Exhaust side

Exhaust side

Intake side

Front

AB

CAMSHAFT AND VALVE STEM SEAL

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ENGINE MECHANICAL <3.0L ENGINE>

11C-38

<<E>> POWER STEERING OIL PUMP REMOVAL

1. With the hose installed, remove the power steering oil pump 

from the bracket.

2. Tie the removed power steering oil pump using a string at a 

position where it will not interfere with the removal and 
installation of valve stem seal.

INSTALLATION SERVICE POINTS

.

>>A<< VALVE STEM SEAL INSTALLATION

CAUTION

Valve stem seal for intake valves and for exhaust valves 
are different. Be sure to install the correct ones.

• Valve stem seal identification color.

Intake: GREY
Exhaust: GREY GREEN

1. Apply an adequate and minimum amount of engine oil to the 

valve stem seal.

CAUTION

• Valve stem seals cannot be reused.
• Special tool must be used to install the valve stem seal. 

Improper installation could result in oil leaking past the 
valve guide.

2. Use special tool MB992182 to fill a new valve stem seal in 

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

.

>>B<< VALVE SPRING INSTALLATION

Install the valve spring with its identification color painted end 
facing the locker arm.

Identification color

Intake: White
Exhaust: Blue

.

AK600913AC

Exhaust valve
stem seal
Color: gray green

Intake valve
stem seal
Color: gray

AC703069

Valve

Valve guide

Valve stem seal

MB992182

AB

Valve spring seat

AC703056

Identification
color

Rocker arm side

AB

CAMSHAFT AND VALVE STEM SEAL

TSB Revision

ENGINE MECHANICAL <3.0L ENGINE>

11C-39

>>C<< VALVE SPRING RETAINER LOCK 
INSTALLATION

Use special tool MD998772 to compress the valve spring in the 
same manner as removal.

.

AC703063

<Left bank>

MD998772

AB

AC703064

<Right bank>

MD998772

AB

CAMSHAFT AND VALVE STEM SEAL

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ENGINE MECHANICAL <3.0L ENGINE>

11C-40

>>D<< ROCKER ARM AND SHAFT ASSEMBLY 
(INTAKE SIDE)/ROCKER ARM, SHAFT AND LASH 
ADJUSTER ASSEMBLY (EXHAUST SIDE) 
INSTALLATION

1. Install the intake side rocker arm and shaft assembly so that 

the 

φ5.5 mm (0.22 inch) holes of rocker arm shaft face the 

cylinder head side.

2. Tighten the intake side rocker arm shaft mounting bolts to 

the specified torque.

Tightening torque: 31 

± 3 N⋅m (23 ± 2 ft-lb)

3. Install the exhaust side rocker arm, shaft and lash adjuster 

assembly so that the notch of rocker arm shaft is located as 
shown in the figure.

4. Check that the identification mark of exhaust side rocker 

shaft cap is located as shown in the figure.

5. Tighten the exhaust side rocker arm shaft mounting bolts to 

the specified torque.

Tightening torque: 13 

± 1 N⋅m (115 ± 8 in-lb)

6. Remove special tool MD998443.

.

AC703095

Notch

Ø

 5.5 mm

(0.22 in)

Ø

 5.5 mm

(0.22 in)

<Right bank>

Front of vehicle

Intake side

Exhaust side

Identification
mark

AB

AC703096

Notch

Ø

 5.5 mm

(0.22 in)

<Left bank>

Front of vehicle 

Intake side

Exhaust side

Identification
mark

Ø

 5.5 mm

(0.22 in)

AB

AC703065

MD998443

AB