Mitsubishi Montero (2004+). Manual - part 103

ENGINE ASSEMBLY

TSB Revision

ENGINE MECHANICAL

11A-17

Required Special Tool:

• MB991683: Sling Chain Set

REMOVAL SERVICE POINTS

.

<<A>> POWER STEERING OIL PUMP ASSEMBLY / A/C 
COMPRESSOR ASSEMBLY REMOVAL
1. Remove the oil pump and A/C compressor (with the hose 

attached).

2. Suspend the removed oil pump (by using wire or similar 

material) at a place where no damage will be caused during 
removal/installation of the engine assembly.

.

AC204056AB

N

23

25

24

32

26

27

22

21

28

29

30

31

31

22 ± 4 N·m
16 ± 3 ft-lb

44 ± 9 N·m*
33 ± 6 ft-lb*

5.0 ± 1.0 N·m
44 ± 9 in-lb

22 ± 4 N·m
16 ± 3 ft-lb

26 ± 4 N·m*
19 ± 3 ft-lb*

12 ± 2 N·m
102 ± 22 in-lb

48 ± 7 N·m
36 ± 5 ft-lb

20

29

N

N

20. PURGE HOSE CONNECTION
21. HEATER HOSE CONNECTION
22. HEATER HOSE CONNECTION
23. FUEL RETURN HOSE 

CONNECTION 

24. FUEL HIGH-PRESSURE HOSE 

CONNECTION

25. O-RING

<<A>>

26. POWER STEERING OIL PUMP 

ASSEMBLY

<<A>>

27. A/C COMPRESSOR ASSEMBLY
28. EYE BOLTS
29. GASKET
30. HEAT PROTECTOR
31. ENGINE FRONT MOUNT 

INSULATOR

<<B>> >>A<<

32. ENGINE ASSEMBLY

CAMSHAFT AND VALVE STEM SEAL

TSB Revision

ENGINE MECHANICAL

11A-18

<<B>> ENGINE ASSEMBLY REMOVAL
1. Check that all cables, hoses, harness connectors, etc. are 

disconnected from the engine.

2. Use special tool MB991683 and chain block to lift the engine 

assembly slowly and remove it.

INSTALLATION SERVICE POINT

.

>>A<< ENGINE ASSEMBLY INSTALLATION
Install the engine assembly. When doing so, check carefully 
that all pipes and hoses are connected, and that none are 
twisted, damaged, etc.

CAMSHAFT AND VALVE STEM SEAL

REMOVAL AND INSTALLATION

M1112006600352

CAUTION

*Remove and assemble the marked parts in each cylinder unit.

AC204227AB

ENGINE OIL

CAM SECTION AND 
JOURNAL SECTION

CYLINDER 
HEAD

7

5

4

1

2

7

3

5

6

4

88 ± 10 N·m
65 ± 7 ft-lb

14 ± 1 N·m
120 ± 13 in-lb

31 ± 3 N·m
23 ± 2 ft-lb

22 ± 4 N·m
16 ± 3 ft-lb

N

9*

8*

10*

11*

8*

9*

10*

N

11*

CAMSHAFT REMOVAL STEPS

•

CYLINDER HEAD ASSEMBLY 
(REFER TO 

P.11A-32

.)

<<A>> >>F<<

1.

CAMSHAFT SPROCKET

<<B>> >>E<<

2.

ROCKER ARM, SHAFT AND 
LASH ADJUSTER ASSEMBLY 
(INTAKE SIDE)

CAMSHAFT REMOVAL STEPS 
(Continued)

CAMSHAFT AND VALVE STEM SEAL

TSB Revision

ENGINE MECHANICAL

11A-19

Required Special Tools:
MB990767: End Yoke Holder
MD998443: Auto-lash Adjuster Holder
MD998715: Crankshaft Pulley Holder Pin

MD998772: Valve Spring Compressor
MD998774: Valve Stem Seal Installer

REMOVAL SERVICE POINTS

.

<<A>> CAMSHAFT SPROCKET REMOVAL
Use special tools MD998715 and MB990767 to remove the 
camshaft sprocket.

.

<<B>> >>E<<

3.

ROCKER ARM, SHAFT AND 
LASH ADJUSTER ASSEMBLY 
(EXHAUST SIDE)

>>D<<

4.

CAMSHAFT POSITION SENSOR 
SUPPORT

5.

O-RING

6.

SENSING CAMSHAFT 
POSITION CYLINDER

7.

CAMSHAFT

VALVE STEM SEAL REMOVAL 
STEPS

•

ROCKER COVER (REFER TO 

P.11A-32

.)

<<B>>

>>E<<

2.

ROCKER ARM, SHAFT AND 
LASH ADJUSTER ASSEMBLY 
(INTAKE SIDE)

<<B>>

>>E<<

3.

ROCKER ARM, SHAFT AND 
LASH ADJUSTER ASSEMBLY 
(EXHAUST SIDE)

<<C>>

>>C<<

8.

VALVE SPRING RETAINER 
LOCKS

9.

VALVE SPRING RETAINERS

>>B<<

10. VALVE SPRINGS

>>A<<

11. VALVE STEM SEALS

CAMSHAFT REMOVAL STEPS 
(Continued)

ACX00301AB

MB990767

MD998715

CAMSHAFT AND VALVE STEM SEAL

TSB Revision

ENGINE MECHANICAL

11A-20

<<B>> ROCKER ARM AND SHAFT ASSEMBLY REMOVAL
1. Install special tool MD998443 as shown in the illustration so 

that the lash adjusters will not fall out.

CAUTION

Never disassemble the rocker arm and shaft assembly.
2. Loosen the rocker arm and shaft assembly mounting bolt, 

and then remove the rocker arm and shaft assembly with the 
bolt still attached.

.

<<C>> VALVE SPRING RETAINER LOCKS 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 valve spring compressor special 
tool (MD998772) is different between exhaust side and intake 
side.

ACX00331AB

MD998443

AC204066

MD998772

AB

AC204067AB

INSTALLATION POSITION

EXHAUST SIDE

INTAKE SIDE

RIGHTBANK

LEFTBANK

FRONT

EXHAUST SIDE