Mitsubishi Montero (2004+). Manual — part 104
CAMSHAFT AND VALVE STEM SEAL
TSB Revision
ENGINE MECHANICAL
11A-21
INSTALLATION SERVICE POINTS
.
>>A<< VALVE STEM SEALS INSTALLATION
1. Apply a small amount of engine oil to the valve stem seals.
CAUTION
• Valve stem seals cannot be reused.
• Special tool MD998774 must be used to install the valve
stem seal. Improper installation could result in oil leak-
ing past the valve guide.
2. Use special tool MD998774 to fill a new valve stem seal in
the valve guide using the valve stem area as a guide.
.
>>B<< VALVE SPRINGS INSTALLATION
Install the valve springs with its identification color painted end
facing the locker arm.
.
>>C<< VALVE SPRING RETAINER LOCKS INSTALLATION
Use special tool MD998772 to compress the valve spring in the
same manner as removal.
.
>>D<< CAMSHAFT POSITION SENSOR SUPPORT
INSTALLATION
1. Remove sealant from the camshaft position sensor support
and cylinder head surfaces.
AC107414
AB
MD998774
VALVE
VALVE
STEM
SEAL
VALVE
GUIDE
AC107415
AB
ROCKER ARM SIDE
IDENTIFICATION
COLOR
AC204066
MD998772
AB
CAMSHAFT AND VALVE STEM SEAL
TSB Revision
ENGINE MECHANICAL
11A-22
2. Apply the sealant to the camshaft position sensor support
flange in a continuous bead as shown in the illustration.
Specified sealant: MITSUBISHI GENUINE PART
MD970389 or equivalent
NOTE: Install the camshaft position sensor support within
15 minutes after applying liquid gasket.
3. Install the camshaft position sensor support to the cylinder
head.
CAUTION
Then wait at least one hour. Never start the engine or let
engine oil or coolant touch the adhesion surface during
that time.
4. Tighten the camshaft position sensor support mounting bolts
to the specified torque.
Tightening torque: 14
± 1 N⋅m (120 ± 13 in-lb)
.
>>E<< ROCKER ARM AND SHAFT ASSEMBLY
INSTALLATION
1. Install the rocker arm, shaft and lash adjuster assembly.
2. Tighten the mounting bolts to the specified torque.
Tightening torque: 31
± 3 N⋅m (23 ± 2 ft-lb)
3. Remove special tool MD998443.
4. Check that notches in the each rocker shaft are facing the
direction shown in the illustration.
.
AC200026
AB
φ 3 mm
(0.12 in)
ACX00331AB
MD998443
AC204149
AB
NOTCH
NOTCH
ENGINE
FRONT
NOTCH
NOTCH
<RIGHTBANK>
<LEFTBANK>
CAMSHAFT OIL SEAL
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ENGINE MECHANICAL
11A-23
>>F<< CAMSHAFT SPROCKET INSTALLATION
1. Use special tools MD998715 and MB990767 in the same
way as during removal to install the camshaft sprocket.
2. Tighten the camshaft sprocket mounting bolt to the specified
torque.
Tightening torque: 88
± 10 N⋅m (65 ± 7 ft-lb)
CAMSHAFT OIL SEAL
REMOVAL AND INSTALLATION
M1112002200147
Required Special Tools:
MB990767: End Yoke Holder
MB991559: Camshaft Oil Seal Adapter
MD998713: Camshaft Oil Seal Installer
MD998715: Crankshaft Pulley Holder Pin
ACX00301AB
MB990767
MD998715
Pre-removal and Post-installation Operation
• Timing Belt Removal and Installation (Refer to
ACX00375
ENGINE OIL
1
2
LIP PORTION
2
88 ± 10 N·m
65 ± 7 ft-lb
AC
REMOVAL STEPS
<<A>>
>>B<<
1.
CAMSHAFT SPROCKET
<<B>>
>>A<<
2.
CAMSHAFT OIL SEAL
CAMSHAFT OIL SEAL
TSB Revision
ENGINE MECHANICAL
11A-24
REMOVAL SERVICE POINTS
.
<<A>> CAMSHAFT SPROCKET REMOVAL
Use special tools MD998715 and MB990767 to remove the
camshaft sprocket.
.
<<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.
ACX00301AB
MB990767
MD998715
ACX00373AB
FLAT-TIPPED
SCREWDRIVER
CAMSHAFT
OIL SEAL
LIP
SECTION
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