Mitsubishi Colt Ralliart. Manual — part 6
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CAMSHAFT
ENGINE MECHANICAL <4A9>
11A-21
INSTALLATION SERVICE POINTS
>>A<< OIL CONTROL VALVE FILTER
INSTALLATION
CAUTION
When installing the oil control valve filter, exer-
cise special care to avoid adhesion of foreign
objects and damage/deformation of the filter.
>>B<< O-RING/OIL CONTROL VALVE
INSTALLATION
1. Cover the oil groove of the oil control valve with a
cardboard.
CAUTION
When installing the O-ring to the oil control
valve, take care not to damage the O-ring.
2. Apply the engine oil to the O-ring and install it to
the oil control valve.
CAUTION
When installing the oil control valve to the cylin-
der head, take care not to damage the O-ring.
3. Apply the engine oil to the O-ring and install the oil
control valve to the cylinder head.
>>C<< CAMSHAFT/CAMSHAFT BEARING
CAP/FRONT CAMSHAFT BEARING CAP/
V.V.T. SPROCKT ASSEMBLY/CAMSHAFT
SPROCKET INSTALLATION
AC312251
AC
V.V.T. sprocket assembly
Camshaft sprocket
Inlet camshaft
Exhaust camshaft
Dowel pin
Dowel pin
Hole
Groove
1. First, lift the V.V.T. sprocket assembly side of the
camshaft sprocket, V.V.T. sprocket assembly and
the timing chain assembly. Then align the dowel
pin of the inlet camshaft with the V.V.T. sprocket
assembly hole, and assemble the inlet camshaft
and the V.V.T. sprocket assembly. Temporarily
tighten the mounting bolt.
2. Next, lift the camshaft sprocket side of the
camshaft sprocket, V.V.T. sprocket assembly and
the timing chain assembly. Then align the dowel
pin of the exhaust camshaft with the camshaft
sprocket groove, and assemble the exhaust
camshaft and the camshaft sprocket. Temporarily
tighten the mounting bolt.
3. Place the inlet camshaft and exhaust camshaft on
the installing location of the cylinder head.
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AC403719
AE
3
8
8
2
7
7
1
6
6
5
5
4
4
3
3
2
2
1
1
Engine front
Front camshaft
bearing cap
Camshaft bearing cap
Camshaft bearing cap
CAMSHAFT
ENGINE MECHANICAL <4A9>
11A-22
4. Tighten each camshaft bearing cap mounting
bolts to the specified torque in the order shown,
and then tighten the front camshaft bearing cap
mounting bolts as well.
Tightening torque:
11
± 1 N⋅m (Camshaft bearing cap mounting
bolts)
20
± 1 N⋅m (Front camshaft bearing cap
mounting bolts)
AC311267
AC
Hexagon part of
the inlet camshaft
V.V.T. sprocket
assembly
mounting bolt
MB991992
5. While holding the inlet camshaft hexagonal area
using a wrench or a similar tool, use special tool
torque wrench adapter (MB991992) to tighten the
V.V.T. sprocket assembly mounting bolt to the
specified torque. Since the V.V.T. sprocket
assembly mounting bolt is tightened by special
tool (MB991992), calculate the tightening torque
by the following formula.
Tightening torque: (65
± 5) × {L ÷ (L + 150)}
N
⋅m
65
± 5: Tightening torque of the V.V.T. sprocket
assembly mounting bolt (unit: N
⋅m)
L: Distance between the centre of a torque
wrench drive and of its handle (unit: mm)
150: Length of special tool (unit: mm)
AC311268
AB
Hexagon part of
the exhaust camshaft
Camshaft sprocket
mounting bolt
6. While holding the exhaust camshaft hexagonal
area using a wrench or similar tool, tighten the
camshaft sprocket mounting bolt to the specified
torque.
Tightening torque: 88
± 10 N⋅m
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CAMSHAFT
ENGINE MECHANICAL <4A9>
11A-23
>>D<< TIMING CHAIN TENSIONER
INSTALLATION
AC311263
AB
Timing chain tensioner
Pin
1. Install the timing chain tensioner with the pin or
the similar tool to the cylinder block through the
timing chain case hole, and tighten the timing
chain tensioner mounting bolts to the specified
torque.
Tightening torque: 8.4
± 0.6 N⋅m
2. Pull out the pin or the similar tool of the timing
chain tensioner.
>>E<< TIMING CHAIN TENSIONER
COVER INSTALLATION
1. Remove the sealant from the installation face of
the timing chain tensioner cover and the timing
chain case assembly.
AC311269
3 mm
Timing chain case
assembly
AC
φ 2 mm
2. Apply a bead of the specified sealant to the
mating surface of the timing chain case assembly.
Then, install the timing chain tensioner cover to
the timing chain case assembly within 3 minutes.
Specified sealant: LOCTITE 5971 or exact
equivalent
>>F<< CYLINDER HEAD COVER
ASSEMBLY INSTALLATION
1. Remove the sealant from the cylinder head cover
assembly and the matching area of the cylinder
head assembly and the timing chain case
assembly.
AC311270
Timing
chain
case
assembly
Cylinder head assembly
Section A - A
A A
A A
AC
φ 4 mm
2. Apply specified sealant to the matching area of
the cylinder head assembly and the timing chain
case assembly as shown, and install the cylinder
head cover assembly to the cylinder head
assembly within 3 minutes.
Specified sealant: LOCTITE 5971 or exact
equivalent
AC405036
AC
4
8
5
10
2
6
9
1
7
3
Engine front
3. Tighten the cylinder head cover assembly
mounting bolts to the specified torque in the order
of the numbers shown in the illustration.
Tightening torque: 9.0
± 1.0 N⋅m
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OIL PAN
ENGINE MECHANICAL <4A9>
11A-24
OIL PAN
REMOVAL AND INSTALLATION
M1112002801443
Pre-removal Operation
• Front Under Cover Panel Assembly Removal (Refer to
GROUP 51, Front Bumper Assembly and Radiator Grille
).
• Engine Room Side Under Cover (RH) Removal
• Engine Oil Draining (Refer to GROUP 12, On-vehicle
Service
− Engine Oil Replacement
).
• Crankshaft Damper Pulley Removal (Refer to
Post-installation Operation
• Crankshaft Damper Pulley Installation (Refer to
• Engine Oil Refilling (Refer to GROUP 12, On-vehicle
Service
− Engine Oil Replacement
).
• Engine Room Side Under Cover (RH) Installation
• Front Under Cover Panel Assembly Installation (Refer to
GROUP 51, Front Bumper Assembly and Radiator Grille
).
AC403072
N
7.6 ± 0.6 N·m
39 ± 5 N·m
2
3
5
4
AB
1
7.6 ± 0.6 N·m
7.6 ± 0.6 N·m
N
6
11.5 ± 0.5 N·m
11.5 ± 0.5 N·m
Removal steps
•
Engine oil level gauge
1.
Bell housing cover
2.
Engine oil pan drain plug
3.
Engine oil pan drain plug gasket
<<
A
>> >>
B
<< 4.
Engine oil pan
>>
A
<< 5.
Engine oil screen assembly
>>
A
<< 6.
O-ring
Removal steps (Continued)
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