Mitsubishi Evolution X. Manual — part 169
SPECIAL TOOLS
TSB Revision
ENGINE MECHANICAL
11A-7
MD998727
Oil pan FIPG cutter
MD998727-01
Oil pan removal
MB991883
Flywheel stopper
General service
tool
Supporting the flywheel
MB991448
Bush remover and installer
base
MB991448-01
Press-fitting the crankshaft
front oil seal
MB992201
Engine hanger plate
−
Support of engine and
transaxle assembly
MB991454
Engine hanger balancer
MZ203827-01
Support of engine
assembly
MB991895
Engine hanger
Tool not available
MB991928
Engine hanger
a: MB991929
Joint (50)
× 2
b: MB991930
Joint (90)
× 2
c: MB991931
Joint (140)
× 2
d: MB991932
Foot (standard)
× 4
e: MB991933
Foot (short)
× 2
f: MB991934
Chain and hook assembly
Tool not available
Tool
Tool number and name
Supersession
Application
D998727
MB991883
B992201
B991454
MB991895
B991928
a
b
c
d
e
f
Slide bracket (HI)
ON-VEHICLE SERVICE
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ENGINE MECHANICAL
11A-8
ON-VEHICLE SERVICE
DRIVE BELT TENSION CHECK
M1111003102254
1. Remove the radiator condenser tank. (Refer to GROUP 14,
Radiator
).
CAUTION
Check the drive belt tension after turning the crankshaft
clockwise one turn or more.
2. Make sure that the indicator mark on the auto-tensioner is
within the area marked with A in the illustration.
3. If the mark is out of the area A, replace the drive belt (Refer
NOTE: The drive belt tension check is not necessary as the
auto-tensioner is adopted.
4. Install the radiator condenser tank. (Refer to GROUP 14,
Radiator
).
AUTO-TENSIONER CHECK
M1111003001384
OPERATION CHECK
1. Stop the engine from the idle state.
2. Remove the radiator condenser tank. (Refer to GROUP 14,
Radiator
).
3. Check that the drive belt is not protruding from the pulley
width of the auto-tensioner.
4. Remove the drive belt (Refer to
5. Rotate the pulley bolt of the auto-tensioner clockwise and
counterclockwise with an offset wrench [45
° , a long offset
wrench (5/8 x 11/16 inches) recommended] to check for
binding.
6. If there are any problems in the procedure 3 or 5, replace
the auto-tensioner. (Refer to
).
7. Install the drive belt. (Refer to
8. Install the radiator condenser tank. (Refer to GROUP 14,
Radiator
).
FUNCTION CHECK
The auto-tensioner can be checked whether it is in good condi-
tion by checking its tension.
.
<When the vibration frequency is measured:
Recommendation>
Required Special Tools:
• MB992080: Belt Tension Meter Set
• MB992081: Belt Tension Meter
• MB992082: Mic Assembly
1. Check the tension of the drive belt. (Refer to
).
AC506730 AC
A
Indicator mark
Auto-tensioner
AC506731 AD
Auto-tensioner
ON-VEHICLE SERVICE
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ENGINE MECHANICAL
11A-9
2. Check the tension of the drive belt in the following
procedures.
(1) Connect special tool microphone assembly (MB992082)
to special tool belt tension meter (MB992081) of special
tool belt tension meter set (MB992080).
(2) Press the "POWER" button to turn on the power supply.
(3) Press the numeral key of "1" and check that "No. 1"
appears on the upper left of the display.
NOTE: This operation is to temporarily set the preset
data such as the belt specifications, because if the mea-
surement is taken without input of the belt specifications,
conversion to tension value (N) cannot be made, result-
ing in judgement of error.
(4) Press "Hz" button twice to change the display to the
frequency display (Hz).
CAUTION
• The temperature of the surface of the belt should be as
close to normal temperature as possible.
• Do not allow any contaminants such as water or oil to
get onto the microphone.
• If strong gusts of wind blow against the microphone or
if there are any loud sources of noise nearby, the val-
ues measured by the microphone may not correspond
to actual values.
• If the microphone is touching the belt while the mea-
surement is being made, the values measured by the
microphone may not correspond to actual values.
• Do not take the measurement while the vehicle's engine
is running.
(5) Hold special tool MB992080 to the middle of the belt
between the pulleys (at the place indicated by arrow)
where it does not contact the belt (approximately 10
− 15
mm (0.4
− 0.59 inch) away from the rear surface of the
belt) so that it is perpendicular to the belt (within an angle
of
± 15 degree).
(6) Press the "MEASURE" button.
(7) Gently tap the middle of the belt between the pulleys (the
place indicated by the arrow) with your finger as shown in
the illustration, and check that the vibration frequency of
the belt is within the standard value.
Standard value: 98
− 124 Hz
NOTE: To take the measurement repeatedly, tap the belt
again.
(8) Press and hold the "POWER" button to turn off the power
supply.
3. If not within the standard value, replace the auto-tensioner.
).
.
AC507219AD
MB992082
MB992081
Belt tension meter set (MB992080)
AC607321
AD
MB992080
15˚
Gently tap with your finger
15˚
10 – 15 mm
(0.4 – 0.59 inch)
Generator
pulley
Idler pulley
Idler pulley
Crankshaft
pulley
Power steering
oil pump pulley
ON-VEHICLE SERVICE
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ENGINE MECHANICAL
11A-10
<When using a tension gauge>
1. Check the tension of the drive belt. (Refer to
).
2. Use a belt tension gauge in the middle of the belt between
the pulleys shown in the figure (at the place indicated by the
arrow) to check that the belt tension is within the standard
value.
Standard value: 248
− 400 N (56 − 90 lb)
3. If not within the standard value, replace the auto-tensioner.
).
VALVE CLEARANCE CHECK AND ADJUSTMENT
M1111001501093
Refer to GROUP00, General
− Maintenance service − Intake
And Exhaust Valve Clearance (Inspect And Adjust)
IGNITION TIMING CHECK
M1111001702216
Required Special Tool:
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
1. Before inspection, set the vehicle in the following condition:
• Engine coolant temperature: 80 − 95° C (176 − 203° F)
• Lights and all accessories: OFF
• Transaxle: Neutral (P range on vehicles with TC-SST)
NOTE: On vehicles for Canada, the headlight, taillight, etc.
remain lit even when the lighting switch is in "OFF" position
but this is no problem for checks.
AC506733
AD
Generator
pulley
Idler pulley
Idler pulley
Crankshaft
pulley
Power steering
oil pump pulley
Belt
tension
gauge
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