Mitsubishi Montero Sport (2004+). Manual - part 83

CAMSHAFT

TSB Revision

ENGINE MECHANICAL

11A-21

CAMSHAFT

REMOVAL AND INSTALLATION

M1112023100093

Required Special Tools:

• MB990767: End yoke holder

• MD998443: Auto-lash adjuster holder

• MD998715: Crankshaft pulley holder pin

Pre-removal and Post-installation Operation
• Cylinder Head Assembly Removal and Installation (Refer 

to 

P.11A-31

).

ACX00382

6

5

4

CAM SECTION AND
JOURNAL SECTION

CYLINDER
HEAD

5

1

2

3

4

6

13 N·m
115 in-lb

32 N·m
23 in-lb

88 N·m
65 in-lb

ENGINE OIL

AB

REMOVAL STEPS

<<A>>

>>B<<

1.

CAMSHAFT SPROCKET

<<B>>

>>A<<

2.

ROCKER ARM AND SHAFT 
ASSEMBLY (INTAKE SIDE)

<<B>>

>>A<<

3.

ROCKER ARM AND SHAFT 
ASSEMBLY (EXHAUST SIDE)

4.

THRUST CASE

5.

O-RING

6.

CAMSHAFT

REMOVAL STEPS (Continued)

CAMSHAFT

TSB Revision

ENGINE MECHANICAL

11A-22

REMOVAL SERVICE POINTS

.

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

.

<<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 bolts, 

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

INSTALLATION SERVICE POINTS

.

>>A<< ROCKER ARM AND SHAFT ASSEMBLY INSTALLA-
TION
1. Temporarily tighten the rocker shaft with the bolts so that all 

rocker arms on the inlet valve side do not push the valves.

2. Fit the rocker shaft springs from the above and position it so 

that it is right angles to the plug guide.
NOTE: Install the rocker shaft springs before installing the 
rocker arm and rocker arm shaft on the exhaust side.

3. Tighten the rocker arm and shaft assembly mounting bolts to 

the specified.

Tightening torque: 32 N

⋅m (23 ft-lb)

4. Remove the special tool MD998443 for fixing the lash 

adjuster.

.

ACX00301AB

MB990767

MD998715

ACX00331AB

MB998443

ACX00378

PLUG GUIDE

ROCKER SHAFT SPRING

ROCKER SHAFT 
SPRING

PLUG GUIDE

AB

CAMSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL

11A-23

>>B<< CAMSHAFT SPROCKET INSTALLATION
Use special tools MD998715 and MB9980767 in the same way 
as during removal to install the camshaft sprocket.

CAMSHAFT OIL SEAL

REMOVAL AND INSTALLATION

M1112002200181

Required Special Tools:

• MB990767: End yoke holder

• MB991559: Camshaft oil seal adapter

• MD998713: Camshaft oil seal installer

• MD998715: Crankshaft pulley holder pin

REMOVAL SERVICE POINTS

.

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

.

Pre-removal and Post-installation Operation
• Timing Belt Removal and Installation (Refer to 

P.11A-34

).

ACX00375

ENGINE OIL

1

2

LIP PORTION

2

88 N·m
65 ft-lb

AB

REMOVAL STEPS

<<A>>

>>B<<

1.

CAMSHAFT SPROCKET

<<B>>

>>A<<

2.

CAMSHAFT OIL SEAL

ACX00301AB

MB990767

MD998715

CAMSHAFT OIL SEAL

TSB Revision

ENGINE MECHANICAL

11A-24

<<B>> CAMSHAFT OIL SEAL REMOVAL
1. Make a notch in the oil seal lip section with a knife, etc.

CAUTION

Be careful not to damage the camshaft and the cylinder 
head.
2. Cover the end of a flat-tipped screwdriver with a shop towel 

and insert into the notched section of the oil seal, and pry 
out the oil seal to remove it.

INSTALLATION SERVICE POINTS

.

>>A<< CAMSHAFT OIL SEAL INSTALLATION
1. Apply engine oil to the camshaft oil seal lip.
2. Use special tools MD998713 and MB991559 to press-fit the 

camshaft oil seal.

.

>>B<< CAMSHAFT SPROCKET INSTALLATION
Use special tools MD998715 and MB990767 in the same way 
as during removal to install the camshaft sprocket.

ACX00373AB

FLAT-TIPPED
SCREWDRIVER

CAMSHAFT

OIL SEAL

LIP 
SECTION

ACX00372 AB

MD998713

<RIGHT BANK>

ACX00371AB

MB991559

MD998713

<LEFT BANK>