Mitsubishi Eclipse. Manual — part 116
ON-VEHICLE SERVICE
TSB Revision
ENGINE MECHANICAL <3.0L>
11C-13
If there is a change in the level of abnormal noise, suspect a
tapping noise due to worn crankshaft bearing or connecting
rod bearing. (In this case, the lash adjuster is in good
condition.)
4. After completion of warm-up, run the engine at idle to check
for abnormal noise.
If the noise is reduced or disappears, clean the lash adjuster
(Refer to GROUP 11D, Engine Overhaul <3.0L>
− Rocker
Arms and Camshaft
− Inspection
.) As it is
suspected that the noise is due to seizure of the lash
adjuster. If there is no change in the level of the abnormal
noise, proceed to step 5.
5. Run the engine to bleed the lash adjuster system. (Refer
to
.)
6. If the abnormal noise does not disappear after air bleeding
operation, clean the lash adjuster (Refer to GROUP 11D,
Engine Overhaul <3.0L>
− Rocker Arms and Camshaft −
Inspection
.
Bleeding lash adjuster system
NOTE: Parking the vehicle on a grade for a long time may
decrease oil in the lash adjuster, causing air to enter the high
pressure chamber when starting the engine.
NOTE: After parking for many hours, oil may run out from the
oil passage and take time before oil is supplied to the lash
adjuster, causing air to enter the high pressure chamber.
NOTE: In the above cases, abnormal noise can be eliminated
by bleeding the lash adjuster system.
1. Check engine oil and add or change oil if required.
NOTE: If the engine oil level is low, air is sucked from the oil
screen, causing air to enter the oil passage.
NOTE: If the engine oil level is higher than specification, oil
may be stirred by the crankshaft, causing oil to be mixed
with a large quantity of air.
NOTE: If oil is deteriorated, air is not easily separated from
oil, increasing the quantity of air contained in oil.
AKX00328
GOOD
MINIMUM
MAXIMUM
AB
AKX00329
HIGH-
PRESSURE
CHAMBER
AB
ON-VEHICLE SERVICE
TSB Revision
ENGINE MECHANICAL <3.0L>
11C-14
NOTE: If air mixed with oil enters the high pressure chamber
inside the lash adjuster from the above causes, air in the
high pressure chamber is compressed excessively while the
valve is opened, resulting in an abnormal noise when the
valve closes.
This is the same phenomenon as that observed when the
valve clearance has become excessive. The lash adjuster
can resume normal function when air entered the lash
adjuster is removed.
2. Idle the engine for one to three minutes to warm it up.
3. Repeat the operation pattern, shown in left figure, at no load
to check for abnormal noise. (Usually the abnormal noise is
eliminated after repetition of the operation 10 to 30 times. If,
however, no change is observed in the level of abnormal
noise after repeating the operation more than 30 times,
suspect that the abnormal noise is due to some other
factors.)
4. After elimination of abnormal noise, repeat the operation
shown in left figure five more times.
5. Run the engine at idle for one to three minutes to make sure
that the abnormal noise has been eliminated.
AKX00330
OPEN THROTTLE
VALVE GRADUALLY
CLOSE
THROTTLE VALVE
APPROXI-
MATELY
3,000 r/min
IDLING
OPERATION
ONCE
15 s
15 s
AIR BLEEDING OPERATION PATTERN
AB
ENGINE ASSEMBLY
TSB Revision
ENGINE MECHANICAL <3.0L>
11C-15
ENGINE ASSEMBLY
REMOVAL AND INSTALLATION
M1112001000753
<VEHICLE WITH OUT INTAKE MANIFOLD TUNING (IMT) SYSTEM>
CAUTION
*: Indicates parts which should be temporarily tightened, and then fully tightened after placing the
vehicle horizontally and loading the full weight of the engine on the vehicle body.
Pre-removal Operation
• Hood Removal (Refer to GROUP 42, Hood
.)
• Fuel Line Pressure Reduction [Refer to GROUP 13B,
On-vehicle Service
− Fuel Pump Relay Disconnection
(How to Reduce Pressurized Fuel Lines)
.]
• Engine Coolant Draining [Refer to GROUP 00, Mainte-
nance Service
− Engine Coolant (Change)
• Strut Tower Bar Removal (Refer to GROUP 42, Strut
Tower Bar
.)
• Air Cleaner Removal (Refer to GROUP 15, Air Cleaner
.)
• Reserve Tank and Radiator Removal (Refer to GROUP
.)
• Front Exhaust Pipe Removal (Refer to GROUP 15,
Exhaust Pipe and Main Muffler
Post-installation Operation
• Front Exhaust Pipe Installation (Refer to GROUP 15,
Exhaust Pipe and Main Muffler
• Reserve Tank and Radiator Installation (Refer to GROUP
14, Radiator
• Air Cleaner Installation (Refer to GROUP 15, Air Cleaner
.)
• Strut Tower Bar Installation (Refer to GROUP 42, Strut
Tower Bar
.)
• Drive Belt Tension Adjustment [Refer to GROUP 00 Main-
tenance Service
− Drive Belts (Check Condition)
• Engine Coolant Refilling [Refer to GROUP 00, Mainte-
nance Service
− Engine Coolant (Change)
• Accelerator Cable Adjustment (Refer to GROUP 17,
On-vehicle Service
− Accelerator Cable Check and
Adjustment
• Hood Installation (Refer to GROUP 42, Hood
.)
AC004714
5.0 ± 1.0 N·m
44 ± 9 in-lb
5.0 ± 1.0 N·m
44 ± 9 in-lb
1
2
3
4
5
6
8
9
10
11
12
13
14
15
16
17
18
AD
7
19
20
22
5.0 ± 1.0 N·m
44 ± 9 in-lb
23
23
24
5.0 ± 1.0 N·m
44 ± 9 in-lb
5.0 ± 1.0 N·m
44 ± 9 in-lb
21
ENGINE ASSEMBLY
TSB Revision
ENGINE MECHANICAL <3.0L>
11C-16
REMOVAL STEPS
1.
ACCELERATOR CABLE
CONNECTION
2.
MANIFOLD ABSOLUTE
PRESSURE SENSOR
CONNECTOR
3.
CONTROL WIRING HARNESS
AND POWER STEERING
WIRING HARNESS
COMBINATION CONNECTOR
4.
EGR VACUUM REGULATOR
SOLENOID VALVE
CONNECTOR
5.
EVAPORATIVE EMISSION
PURGE SOLENOID VALVE
CONNECTOR
6.
KNOCK SENSOR CONNECTOR
7.
CRANKSHAFT POSITION
SENSOR CONNECTOR
8.
RIGHT BANK HEATED OXYGEN
SENSOR CONNECTOR
9.
INJECTOR CONNECTOR
10. DISTRIBUTOR CONNECTOR
11. CONTROL WIRING HARNESS
AND INJECTOR WIRING
HARNESS COMBINATION
CONNECTOR
12. THROTTLE POSITION SENSOR
CONNECTOR
13. IDLE AIR CONTROL MOTOR
CONNECTOR
14. GROUND WIRE CONNECTION
15. ENGINE COOLANT
TEMPERATURE GAUGE UNIT
CONNECTOR
16. ENGINE COOLANT
TEMPERATURE SENSOR
CONNECTOR
17. LEFT BANK HEATED OXYGEN
SENSOR CONNECTOR
18. STARTER CONNECTOR
19. GROUND WIRE CONNECTION
20. GENERATOR CONNECTOR
21. ENGINE OIL PRESSURE
SWITCH CONNECTOR
22. A/C COMPRESSOR
CONNECTOR
23. VACUUM HOSE CONNECTION
24. BRAKE BOOSTER VACUUM
HOSE CONNECTION
REMOVAL STEPS (Continued)
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