1991 MITSUBISHI ECLIPSE service

ENGINE <1.8L Engine> - Engine Assembly9-31
ENGINE ASSEMBLY
. REMOVAL AND INSTALLATION
N69SA-APre-removal Operation
@Eliminating Fuel Pressure in Fuel Line
(Refer to GROUP 14-Service AdjustmentProcedures.)@Removal of Engine HoodeDraining of Engine Coolant
(Refer to GROUP O-Maintenance Service.)
l Removal of the Transaxle Assembly(Refer to GROUP 21 -Transaxle Assembly.)
*Removal of the Radiator
(Refer to GROUP 7-Radiator.)
Post-installation Operation
@Installation of the Radiator
(Refer to GROUP 7-Radiator.)
l Installation of the Transaxle Assembly(Refer to GROUP 21 -Transaxle Assembly.)
@Refilling of Engine Coolant
(Refer to GROUP O-Maintenance Service.)
l Installation of Engine Hood4-6 Nm
“7
/61OlA05664-6 Nm
3-4
ft.lbs.
\
16
/io1\4-6Nm164-6Nm193-4ft.lbs.
173-4ft.lbs.OlA0643Removal steps
l +1. Connection for accelerator cable or
throttle cable
2. Connection for accelerator cable
(Auto-cruise control)
3. Connection for fuel high pressure hose
4. O-ring
5. Connection for heater hoses
6. Connection for vacuum hoses
7. Connection for fuel return hose
8. Connection for brake booster vacuum
hose
9. Connection for oxygen sensor
10. Connection for engine coolant
temperature gauge unit
11. Connection for engine coolant
temperature sensor12. Connection for
ISC13. Connection for TPS
14. Connection for MPS
15. Connection for fuel injectors
16. Connection for EGR temperature sensor
17. Connection for distributor
18. Connection for CRC filter
19. Connection for ground cable
20. Control wiring harness
NOTE(1) Reverse the removal procedures to reinstall.(2) l + : Refer to “Service Points of Installation”.
(3) m : Non-reusable parts

9-32ENGINE <1.8L Engine> - Engine Assembly35-45 Nm
25-33
ft.lbs.
25 31\5$M35 Nm
36-47 ft.lbs.
OlAO56429-36
ft.lbs.
3&40 Nm
22-29 ft.lbs.
Removal steps
21.
zztTtion for power steering oil pump30. Self-locking nut4e +4 31. Engine assembly
+e l + 24.*I)l 425.
26.27.
28.
4+29.
\60-80 Nm
43-58 ft.lbs.
OlAO563Connection for alternator
Connection for oil pressure switch
Power steering oil pump
Air conditioner compressor
palffz,cklng nuts
Clamp of pressure hose (Power
steelEngine mount bracket
ITEReverse the removal procedures to reinstall.
l *
: Refer to “Service Points of Removal”.
l * : Refer to “Service Points of Installation”.
P; Non-reusable parts
or ttghtening locations indicated by the * symbol, firs1tighten temporarily, and then make the final tightening
with the entire weight of the engine applied to the
vehicle
body.
t
SERVICE POINTS OF REMOVALNogs6SC24. REMOVAL OF POWER STEERING OIL PUMP
Remove the oil pump (with the hose attached).
NOTESuspend the removed oil pump (by using wire or similar
material) at a place where no damage will be caused duringremoval/installation of the engine assembly.

ENGINE <1.8L Engine> - Engine Assemblv9-33
c
!
OlAO582
25. REMOVAL OF AIR CONDITIONER COMPRESSOR
Disconnect the connection of the air conditioner compress-or, and then remove the compressor (with the hose
attached) from the compressor bracket.
NOTE
Suspend the removed air conditioner compressor (by using
wire or similar material) at a place where no damage will be
caused during removal/installation of the engine assembly.29. REMOVAL OF ENGINE MOUNT BRACKET
(1) Attach wire or similar material to the engine hook, and
then suspend (to the extent that there is no slackness
of the wire) by using a chain block or similar arrange-
ment.(2) Remove the engine mount bracket.
31. REMOVAL OF ENGINE ASSEMBLY
(1) Check to be sure that all cables, hoses, harness
connectors, etc. are disconnected from the engine.
(2) Lift the chain block slowly to remove the engine
assembly upward from the engine compartment.
SERVICE POINTS OF INSTALLATION
NOSSDAT31. INSTALLATION OF ENGINE ASSEMBLY
install the engine assembly. When doing so, check careful-ly to be sure that all pipes and hoses are connected, and
that none are twisted, damaged, etc.
25. INSTALLATION OF AIR CONDITIONER COMPRESSOR
Refer to GROUP
24-Service Adjustment Procedures.
24. INSTALLATION OF POWER STEERING OIL PUMP
Refer to GROUP
19-Service Adjustment Procedures.
1. ADJUSTMENT OF ACCELERATOR CABLE OR THROT-
TLE CABLERefer to GROUP
14-Service Adjustment Procedures.

-
c/
(Refer to GROUP O-Maintenance
9-34ENGINE <1.8L Engine>- Oil Pan and Oil Screen
OIL PAN AND OIL SCREEN
REMOVAL AND INSTALLATION
30-40 Nm22-29 ftlbs.
Removal steps
1.Drain plug
2. Connection for exhaust pipe
3.Gasket
** l + 4. Oil pan5.Oil screen
6.Gasket
NOTE(1) Reverse the removal procedures to reinstall.(2) +e : Refer to “Service Points of Removal”.(3) l + : Refer to “Service Points of Installation”.(4) m : Non-reusable parts
lo-15 Nm
7-11 ftlbs.35-45 Nm25-33 ftlbs.OlAO546
,,Mq998727_/ 1SERVICE POINTS OF REMOVALNOSHBAFaO4. REMOVAL OF OIL PAN
(1) Remove the oil pan mounting bolts.
(2) Tap the special tool in between the cylinder block and
the oil pan.
Caution
Do not use a screwdriver, a chisel or a similar tool
when removing the oil pan.
(3) Remove the oil pan by placing a brass bar at the cornerof the special tool and then tapping with a hammer.
INSPECTIONNOHCACO
lCheck the oil pan for damage and cracks. Replace if faulty.l Check the oil screen for clogging; damage and cracks.
Replace if faulty.

ENGINE - Oil Pan and Oil Screen9-35
SERVICE POINTS OF INSTALLATIONIYW~DU)4. INSTALLATION OF OIL PAN
(1)Use a wire brush or other tool to scrape clean all gasketsurfaces of the cylinder block and oil pan so that all
loose material is removed.
(2) Gasket surfaces must be free of oil and dirt.
(3) Apply the specified sealant around the gasket surface
of oil pan as specified in illustration.
Specified sealant: MITSUBISHI GENUINE PART
No.
MD9971 10 or equivalent
NOTEThe sealant should be applied in a continuous bead
approximately 4 mm
(.I6 in.) in diameter.
(4) Assemble oil pan to cylinder block within 15 minutes
after applying the sealant.
Caution
After installing the oil pan, wait at least 30 minutes
before starting the engine.