engine MITSUBISHI SPYDER 1990 Service Workshop Manual

ENGINECamshaft and Oil Seal
CAMSHAFT CAP
C A M S H A F T
BEARING CAP
INSTALLATION
Tighten the bearing cap installation bolts to the torque
in two or three steps.
C a u t i o n
Tighten uniformly, otherwise the rocker arms not
straight.
Camshaft position
Camshaft positionsensor paint
CAMSHAFT OIL SEAL INSTALLATION
Use the special tool to drive the camshaft oil seal into position
carefully.
CAMSHAFT POSITION SENSING CYLINDER/
CAMSHAFT POSITION SENSOR SUPPORT
INSTALLATION
(1) Install the camshaft position sensing cylinder to the end
of the camshaft as shown in the illustration.
(2) Install the camshaft position sensor support.
(3)Check that the identification paint on the
sensing cylinder is pointing in the same direction as the,
camshaft position sensor installation direction when
camshaft is at the No. 1 compression TDC position.
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E N G I N E Oil fan and Oil
OIL PAN AND OIL SCREEN
REMOVAL AND INSTALLATION
and Post-installation Operation
l Engine Oil Draining and Supplying
lOil Level Gauge Removal and InstallationlFront Exhaust Pipe Removal and Installation
GROUP 15 Exhaust Pipe and Muffler.)
(Refer to GROUP 15
Exhaust Pipe and Muffler.)
Nm
1
I
6.9 Nm5.1
29
I
6.66.5
Removal steps
1.Transfer assembly6.Gasket
2. Bell housing cover 7. Oil pan3.Drain plug8.Oil screen4.Gasket9.Gasket
5. Oil return pipe connection
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ENGINE Oil and
Oil pan side
R E M O V A L
(1) Remove the transfer
shaft still installed..
(2) Insert a flat-tipped screwdriver or similar
the transfer and transaxle, and remove transfer
the center shaft. .
(3) Remove the transfer from the propeller shaft.
Caution
Do not tilt the transfer assembly to the rear, or t ransfer
oil will leak out.
(4) After removing the transfer assembly, insert th e special
tool to prevent ‘the
oil from leaking out.
(5) Suspend the shaft from the vehicle chassis with
wire: etc.
PAN
After removing the oil pan mounting bolts; oil
pan with the special tool and a brass bar.
Caution
Do it slowly to avoid of the
INSTALLATION SERVICE POINTS
OIL PAN INSTALLATION
Caution
After cleaning the oil pan mounting bolt holes in t he oil
seal case, the oil pan should be fnstalled.
GASKET INSTALLATION
Replace the gasket and install it in the direction shown in
the illustration.
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ENGINECrankshaft Front Oil’
CRANKSHAFT FRONT OIL SEAL11333343133
REMOVAL AND INSTALLATION
and Post-installation Operationl Timing Belt Removal and installation
(Refer to
Removal steps
1. Crankshaft sprocket
front oil seal
INSTALLATION SERVICE
FRONT OIL SEAL
(1) Apply engine oil to the entire inside diameter of the oil
seal lip.
(2) Press-fit the oil seal until it is flush with the oil
case.

ENGINE Crankshaft Rear Oil
CRANKSHAFT REAR OIL SEAL
REMOVAL AND INSTALLATION
and Post-installation l Transaxle Assembly Removal and Installation Refer to GROUP TransaxleAssembly.)
l and and
Refer to GROUP TransaxleAssembl Refer to GROUP TransaxleAssembly.) Refer to GROUP TransaxleAssembly.)
Nm
Engine oilRemoval steps
1. Flywheel bolt 2. Flywheel 3. Crankshaft bushing
4. Drive plate bolt
Nm4
5. Adapter plate 6. plate 7. Crankshaft rear oil
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11ENGINE Crankshaft pear Oil
,
BOLT PLATE BOLT

R E M O V A L
Use the special tool to secure. the
or drive plate,
and remove the bolt.
INSTALLATION SERVICE
CRANKSHAFT REAR OIL SEAL INSTALLATION
(1) Apply a small amount of engine oil to the entir e inside
diameter of the oil seal lip.
(2) Tap in the oil seal as shown in the illustratio n.
PLATE BOLT BOLT

(1) Clean off all sealant, oil and other substances which are
adhering to the threaded bolts, crankshaft thread h oles
and the flywheel
or drive plate
(2) Apply oil to the bearing surface of the flywhee l
or drive plate bolt.
(3) Apply oil to the crankshaft thread holes.
(4) Apply sealant to the threaded mounting bolts.
Specified sealant:
Stud locking 4170 or equivalent
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(5) Use the special tool to secure the flywheel or
drive plate and then tighten the the speci-
fied torque.
Specified torque:
Nm

ENGINE Cylinder Head
CYLINDER HEAD GASKET
REMOVAL AND INSTALLATION
Pre-removal Operationl Fuel Line Inner Pressure Release(Refer to GROUP On-vehiclel Engine Coolant Draining(Refer to GROUP 00 Maintenance Service.)l Engine Oil Draining(Refer to GROUP 00 Maintenance Service.)
3.62.9 Nm
2.2
4.9 Nm
220 1
Removal steps
1. Accelerator cable connection(Refer to GROUP 17 On-vehicleService.)2. Air hose 3. Idle air control motor connector
4. Knock sensor connector
5. Heated oxygen sensor connector
6. Engine coolant temperature gauge
unit connector
7. Engine coolant temperature sensor
connector8. Ignition power transistor connector
9. Throttle position sensor connector
10. Capacitor connector
11. Manifold differential pressure sensor connector
12. Injector connectors
13. Ignition coil connector Engine oil
,
21
14. position sensor connector
15. Crankshaft sensor
16. Air conditioning compressor
c o n n e c t o r
17. Control wiring harness
18. Center cover
19. Spark
cable
20. Brake booster
21. High-pressure fuel hose connection 22. Fuel return hose connection
23. By-pass valve hose connection
24. Water hose connection25. Vacuum hoses connection26.Breather hose 27. PCV hose connection
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ENGINE Head Gasket’.
engine>
78
Nm
(58
N m
Cylinder head
Sealant: ATD Part No. 8880 or equivalent
Revision
Specified sealant: MITSUBISHI GENUINE PART
or equivalent
36. Thermostat case assembly 37. O-ring38. Flange bolts and flangenut(Refer to GROUP
39. Cylinder head 40. Cylinder head assembly41. Ring42. (A) Cylinder head gasket
l Timing belt(Refer to 28. Power steering pump
29. Rocker cover
30. Semi-circular packing31. Heat protector (A)32. Water hose connection33. Water hose A connection 34. Radiator upper hose connection 35. Radiator lower hose connection

ENGINE Cylinder Head Gasket,
Intake sideFront of
engine
Exhaust side
REMOVAL SERVICE POINTS
UPPER HOSE/RADIATOR
HOSE
.Place mating marks on the radiator hose and the hos e clamp,
and then disconnect the radiator hose.
HEAD BOLT REMOVAL
Using the special tool, loosen the bolts in the ord er shown
in the illustration (in 2 or 3 stages), and then the
cylinder head assembly.
INSTALLATION SERVICE
CYLINDER HEAD GASKET INSTALLATION
(1) all oil and grease from the gasket mounting
(2) Install the gasket to the cylinder block with the identification
mark facing upwards.
HEAD BOLT INSTALLATION
(1) When installing the cylinder head-bolts, the le ngth below
the head of the bolts should be within the
If it is outside the limit, bolts.
(A): 99.4 mm (3.91 In.)
(2) Apply engine oil to the bolt thread and the was her..
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ENGINE H e a d
I n t a k e s i d eFront of
enaine
Exhaust side
Step 4
I
Painted marks
Step 5
Painted marks
Thermostat case assembly orwater pump
Water inlet pipe assembly
(3) bolts by the f o l l o w i n g
Step
Tighten to
78
(58
Remarks
In the in the
2 Loosen In order of that
3Tighten to
20 Nm (15
4Tighten of a turn.In the order-shown in-the
. illustration; Mark
of the cylinder head bolt
and cylinder head by
paint. ,
5
Tighten of a turn. shown in the
Check that the
painted
of
. lined
the
Caution
1.Always make a tightening If
than the head bolt will loosened.
2.If it is more than remove the head bolt repeat
the procedure 1. ,
the O-ring to the water inlet pipe,and coat the outer
inside diameter
the O-ring with water or coolant.
Caution
Do not let engine oil or other greases contact
O-ring.
TH E R M OSTAT CASE AS S E M B L Y
(1) Loosen the water inlet pipe bolt shown in
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