Mitsubishi Outlander GS45X. Manual — part 1223
CYLINDER HEAD AND VALVES
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-45
CYLINDER HEAD AND VALVES
REMOVAL AND INSTALLATION
M1113006902987
AK600803
3
20
→ +150˚
45 ± 2 N·m
33 ± 1 ft-lb
1
2
4
5
6
7
8
9
10
11
13
15
18
19
17
14
16
12
AC
Apply engine oil to
all moving parts
before installation.
Removal steps
>>D<<
1. Cylinder head bolt
2. Cylinder head assembly
3. Cylinder head gasket
<<A>> >>C<<
4. Retainer lock
5. Valve spring retainer
>>B<<
6. Valve spring
7. Intake valve
<<A>> >>C<<
8. Retainer lock
9. Valve spring retainer
>>B<<
10. Valve spring
11. Exhaust valve
<<B>> >>A<<
12. Valve stem seal
13. Valve spring seat
<<B>> >>A<<
14. Valve stem seal
15. Valve spring seat
16. Intake valve guide
17. Exhaust valve guide
18. Intake valve seat
19. Exhaust valve seat
20. Cylinder head
Removal steps (Continued)
CYLINDER HEAD AND VALVES
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-46
Required Special Tools:
• MB991614: Angle Gauge
• MB992085: Valve Stem Seal Plier
• MB992182: Valve Stem Seal Installer
• MD998735: Valve Spring Compressor
REMOVAL SERVICE POINTS
.
<<A>> RETAINER LOCK REMOVAL
1. Using special tool MD998735, compress the spring.
2. Remove the retainer locks.
.
<<B>> VALVE STEM SEAL REMOVAL
Using the special tool MB992085, nip the valve stem seal and
remove it.
INSTALLATION SERVICE POINTS
.
>>A<< VALVE STEM SEAL INSTALLATION
1. Install the valve spring seat to the valve guide.
CAUTION
• Valve stem seals for intake valves and for exhaust
valves are different. Be sure to install the correct ones.
• Valve stem seal identification color.
Intake: GRAY
Exhaust: GRAY GREEN
AK600900
MD998735
AC
AK600901
MB992085
AC
AK600913AC
Exhaust valve
stem seal
Color: gray green
Intake valve
stem seal
Color: gray
CYLINDER HEAD AND VALVES
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-47
CAUTION
• Always use the special tool to install the valve stem
seal. Improperly installed valve stem seals may leak oil.
• Do not strike the valve stem seal strongly because it
might be damaged.
2. Using special tool MB992182, install a new stem seal to the
valve guide.
NOTE: After install, check the special tool does not stick to
the valve spring sheet. Put the valve spring sheet in position.
.
>>B<< VALVE SPRING INSTALLATION
Install the valve spring end with its identification color toward
the spring retainer.
Identification color
Intake: White
Exhaust: Blue
.
>>C<< RETAINER LOCK INSTALLATION
Using special tool MD998735, compress the valve spring and
insert the retainer lock into position.
.
AK600902
MB992182
AC
AK600914
Identification color
painted end
AC
AK600900
MD998735
AC
CYLINDER HEAD AND VALVES
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-48
>>D<< CYLINDER HEAD BOLT INSTALLATION
CAUTION
Attach the head bolt washer in the direction shown in the
figure.
1. Tighten the bolts in the illustrated sequence two or three
rounds.
Tightening torque: 45
± 2 N⋅m (33 ± 1 ft-lb)
CAUTION
• When the tightening angle is smaller than the specified
tightening angle, the appropriate tightening capacity
cannot be secured.
• When the tightening angle is larger than the specified
tightening angle, remove the bolt to start from the
beginning again according to the procedure.
2. Using the special tool MB991614, tighten the cylinder head
bolt another 150 degrees.
AK600899
AK600915
Timing belt side
Right
bank
Left
bank
AC
AK600851
150˚
MB991614
AC
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