Mitsubishi 380. Manual — part 751
SPECIAL TOOLS
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ENGINE MECHANICAL <3.8L ENGINE>
11A-6
MD998718
Crankshaft rear oil seal
installer
MD998718-01
Press-fitting the crankshaft rear oil
seal
MD998767
Tension pulley socket
wrench
MD998752-01
Timing belt tension adjustment
MD998769
Crankshaft pulley spacer
General service
tool
Rotating the crankshaft when
installing the timing belt
MD998772
Valve spring compressor
General service
tool
Compressing valve spring
MD991999
Valve stem seal installer
MD998774-01
Valve stem seal installer
TOOL
TOOL NUMBER AND
NAME
SUPERSESSION APPLICATION
D998767
AC204024
SPECIAL TOOLS
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ENGINE MECHANICAL <3.8L ENGINE>
11A-7
MB991454
Engine hanger balancer
MZ203827-01
When the engine hanger is used:
Supporting the engine assembly
during removal and installation of
the transaxle assembly
NOTE: Special tool MB991454 is a
part of engine hanger attachment
set MB991453.
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
B991454
MB991895
B991928
A
B
C
D
E
F
SLIDE BRACKET (HI)
ON-VEHICLE SERVICE
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ENGINE MECHANICAL <3.8L ENGINE>
11A-8
ON-VEHICLE SERVICE
DRIVE BELT TENSION CHECK AND
ADJUSTMENT
M1111003100496
Refer to GROUP 00, Maintenance Service
− Drive Belts
(Check Condition)
IGNITION TIMING CHECK
M1111001701075
Required Special Tool:
: Diagnostic Tool (MUT-III)
CAUTION
To prevent damage to Diagnostic Tool (MUT-III) always turn
the ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting.
1. Connect Diagnostic Tool (MUT-III) to the data link connector.
2. Start the engine and run it at idle.
3. Check that the idle speed is approximately 680 to 750 r/min.
4. Select Diagnostic Tool (MUT-III) Data List for MPI and then
scroll to Item No.16 Advance Ignition.
5. Check that Advance Ignition timing is alternating within a
suitable range. ie (Warm Engine, Idling + 1
° to 5°).
The timing is controlled by the ENGINE-ECU and can not be
changed.
6. If the Advance Ignition timing is not alternating within a
suitable range, check the following items:
• Diagnostic output
• Timing belt cover and crankshaft position sensor installation
conditions
• Crankshaft sensing blade condition
CURB IDLE SPEED CHECK
M1111003501044
Required Special Tool:
: Diagnostic Tool (MUT-III)
1. Before inspection, set the vehicle in the following condition:
• Engine coolant temperature: 80 − 95°C (176 − 203°F)
• Lights and all accessories: OFF
• Transmission: P range.
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
ON-VEHICLE SERVICE
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ENGINE MECHANICAL <3.8L ENGINE>
11A-9
CAUTION
To prevent damage to Diagnostic Tool (MUT-III) , always
turn the ignition switch to the "LOCK" (OFF) position
before connecting or disconnecting.
2. Connect Diagnostic Tool (MUT-III) to the data link connector.
3. Start the engine.
4. Run the engine at idle for 2 minutes.
5. Select Diagnostic Tool (MUT-III) Data List for MPI and then
scroll to Item No.2 Crank Angle Sensor. Check that actual
idle speed is within specification.
Idle speed: 680 - 750 r/min
NOTE: The idle speed is controlled automatically by the
ENGINE-ECU and throttle valve system.
6. If the idle speed is outside the standard value, refer to
GROUP 13A, Multiport Fuel Injection (MPI)
− Multiport Fuel
Injection (MPI) Diagnosis
− Symptom Chart
00DB076A
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
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