Mitsubishi Colt Ralliart. Manual — part 4
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ON-VEHICLE SERVICE
ENGINE MECHANICAL <4A9>
11A-13
MANIFOLD VACUUM CHECK
M1111002701119
AK203215
MB991910
16-PIN
MB991827
MB991824
AC
1. Before inspection, set the vehicle to the
pre-inspection condition.
2. Turn the ignition switch to "LOCK" (OFF) position.
3. Connect the M.U.T.-III to the diagnosis connector.
AK402145
PCV valve
Plug
Vacuum gauge
AC
4. Disconnect the ventilation hose from the positive
crankcase ventilation (PVC) valve, and then
connect a vacuum gauge to the ventilation hose.
Plug the positive crankcase ventilation (PCV)
valve.
5. Start the engine and check that idle speed is
approximately 700 r/min.
6. Check the intake manifold vacuum.
Limit: Minimum 60 kPa
7. Turn off the ignition switch.
8. Remove the vacuum gauge and then connect the
ventilation hose to the positive crankcase
ventilation (PCV) valve.
9. Remove the M.U.T.-III.
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CRANKSHAFT PULLEY
ENGINE MECHANICAL <4A9>
11A-14
CRANKSHAFT PULLEY
REMOVAL AND INSTALLATION
M1112001601060
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
Post-installation Operation
• Drive Belt Tension Check and Adjustment (Refer to
).
• Engine Room Side Under Cover (RH) Installation
• Front Under Cover Panel Assembly Installation (Refer to
GROUP 51, Front Bumper Assembly and Radiator Grille
).
AC405868AB
190 N·m
1
2
3
4
Removal steps
<<
A
>>
1.
Drive belt
<<
B
>>
>>
A
<<
2.
Crankshaft pulley bolt
>>
A
3.
Crankshaft pulley washer
>>
A
4.
Crankshaft damper pulley
Removal steps (Continued)
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CRANKSHAFT PULLEY
ENGINE MECHANICAL <4A9>
11A-15
REMOVAL SERVICE POINTS
<<A>> DRIVE BELT REMOVAL
AC405869AB
Nut for alternator
pivot bolt
Adjusting bolt
Alternator fixing nut
1. Loosen the nut for alternator pivot bolt and
alternator fixing nut.
CAUTION
To reuse the drive belt, draw an arrow indicating
the rotating direction (clockwise) on the back of
the belt using chalk, etc.
2. Turn the adjusting bolt in the anti-clockwise
direction (to the left) to remove the drive belt.
<<B>> CRANKSHAFT PULLEY BOLT
REMOVAL
Use the used drive belt to fix the crankshaft damper
pulley, and loosen the crankshaft pulley bolt.
CAUTION
• Do not use the drive belt set up on the vehi-
cles.
•
AC310988
AC403118 AC
Used drive belt
Cable band
Crankshaft damper pulley
Do not use a cracked or damaged drive belt.
1. Set the used drive belt as shown and hold it with a
cable band.
CAUTION
Do not hang the used drive belt for the crank-
shaft rotation stopper on the water pump pulley.
AC310989
AC403119 AC
Used drive belt
Water pump
Crankshaft damper
pulley
2. Turning the crankshaft damper pulley to the
anti-clockwise direction (to the left), loop the used
drive belt around the water pump body, hold the
crankshaft damper pulley and remove the
crankshaft pulley bolt.
![](/vehicles/winoney/ama/flend/gut.png)
CRANKSHAFT PULLEY
ENGINE MECHANICAL <4A9>
11A-16
INSTALLATION SERVICE POINT
>>A<< CRANKSHAFT DAMPER PUL-
LEY/CRANKSHAFT PULLEY
WASHER/CRANKSHAFT PULLEY BOLT
INSTALLATION
AC405912
: Clean
: Apply engine oil
Engine front
Clean
Clean
Clean
(Engine oil)
Crankshaft
pulley bolt
Crankshaft
Crankshaft pulley
washer
Crankshaft
damper pulley
AB
1. Clean the screw hole of the crankshaft, the
crankshaft damper pulley, the crankshaft pulley
bolt and the crankshaft pulley washer.
2. Install the crankshaft damper pulley.
3. Apply an appropriate quantity of new engine oil to
the thread of crankshaft pulley bolt.
CAUTION
• Do not use the drive belt set up on the vehi-
cles.
•
AC310988
AC403118 AD
Used drive belt
Cable band
Crankshaft damper pulley
Do not use a cracked or damaged drive belt.
4. Set the used drive belt and hold it with a cable
band as during removal.
CAUTION
Do not hang the used drive belt for the crank-
shaft rotation stopper on the water pump pulley.
AC310991
AC403120 AC
Used drive belt
Water pump
Crankshaft damper
pulley
5. Turning the crankshaft damper pulley to the
clockwise direction (to the right), loop the used
drive belt around the water pump body, hold the
crankshaft damper pulley and tighten the
crankshaft pulley bolt to the specified torque.
Tightening torque:190 N
⋅m
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