engine MITSUBISHI SPYDER 1990 Service Service Manual

ENGINE On-vehicle
4.Lash adjuster replacement
Caution
In the cylinder ‘are
will touch the pistons when the valves are
down, so the
piston positions.
In addition, places the
by the cams cannot be the
crankshaft should be the
are not lifted.
(I) Use the special tool to push and
remove the roller rocker
.
(2) Remove. the lash adjuster from the cylinder hea d.
(3) Install a new lash adjuster
air has
been ‘bled ‘to the
(4) Use the special tool to push down the valve, and
install the roller rocker. arm.
NOTE
When installing the roller rocker first set the
pivot side of the rocker arm onto the top of the la sh
adjuster, and then after pushing down the valve, se t
the slipper side of the rocker arm on top of the end
of the valve
Refer to LASH ADJUSTER
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ENGINE Engine
ENGINE ASSEMBLY
REMOVAL AND INSTALLATION
Operationl Fuel Line Pressure Releasing(Refer to GROUP On-vehicle Service.)l ‘Hood Removall Engine Coolant DrainingRefer to GROUP 00 Maintenance Service.)l Assembly Removal Refer to GROUP TransaxleA Refer to GROUP Transaxle
Refer to GROUP Transaxle
Refer to GROUP TransaxleAssembly.)lRadiator Removal (Refer to GROUP 14 Radiator.)l Under Cover Removal (Refer to GROUP 42 Under Cover.)
6
2216
Operationl Radiator Installation(Refer to GROUP 14 Radiator.)l Transaxle Assembly Removal Refer to GROUP Assembly.) Refer to GROUP Transaxle
Refer to GROUP Transaxle
Refer to GROUP
Transaxle
l Engineoolant(Refer to GROUP 00 l Hoodl Accelerator Cable Adjustment(Refer to GROUP 17 l Under Cover Installation(Refer to GROUP 42 Under l Drive Belt Adjustment 26 Nm21
34
Removal steps
1. Power steering pressure switchconnector
2. Generator connectors
3. Oil pressure switch connector
4. Oil pressure gauge unit connector
5. Generator(Referto GROUP 16 Generator.)
6. Power steering pump connection7. compressor connection
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ENGINE Engine Assembly
4.9
29
8. Accelerator cable connection9. air control motor connector
10. Knock sensor connector 11. Heated oxygen sensor connector
12. Engine coolant temperature gauge
unit connector13. Engine coolant temperature sensorconnector
Engine oil
00005320
‘ c o i l c o n n e c t o r ’ 20. Camshaft position sensor connector
21. Crankshaft position sensor
connector22. Air conditioning compressor
connector23. Control wiring harness 24. Brake booster vacuum hose .
14. Ignition power transistor connector
15. Throttle position sensor connector
16. Capacitor connector 17. Manifold differential pressure sensor connector
18. Injector connectors connection
25. High-pressure fuel hose connection
26. Fuel return hose connection
27. Water hose A connection
28. Water hose
connection29. Vacuum hoses connection
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ENGINE Assemblv
6749
4 4
3325
Nm72-67
49 Nm
36
30. Front exhaust pipe connection31. Gasket 32. Engine mount bracket assembly 33. Engine assembly
REMOVAL SERVICE POINTS
POWER STEERING PUMP
Remove the power steering pump from with the
hose attached..
NOTE
Place the removed power steering pump in a‘place where
it will not be a hindrance when
and installing the
engine assembly, and tie it
a cord.
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ENGINE -‘Engine Assembly
COMPRESSOR
Disconnect the compressor connector and remove the
compressor from the compressor bracket
the hose
attached.
NOTE
Place the removed A/C compressor in a where it will
not be a hindrance when removing ‘and installing th e engine
assembly, and tie it with a cord:
Caution
Do not bend the joint the A/C hose and the
pipe by force.
ENGINE MOUNT BRACKET ASSEMBLY
REMOVAL
(1) Support the engine with a garage jack.
(2) Remove the special tool which was attached when the
transaxle assembly was removed.
(3) Hold the engine assembly with a chain block or similar
(4) Place a garage jack against the engine oil pan with a
piece of wood in between, jack up the engine so tha t
the weight of the engine is no longer being applied to
the engine mount bracket, and then remove the engin e
mount bracket.
ENGINE ASSEMBLY REMOVAL
After checking that all cables, hoses and harness connectors,
etc., are disconnected from the engine, lift the chain block
slowly to remove the engine assembly upward from th e engine
compartment.
INSTALLATION SERVICE POINTS
ENGINE ASSEMBLY INSTALLATION
Install the engine assembly while checking that the cables,
hoses, and harness connectors are not clamped.
ENGINE MOUNT BRACKET ASSEMBLY
INSTALLATION
(1) Place a garage jack against the engine oil pan with a
piece of wood in between, and install the engine mo unt
bracket while adjusting the position of the engine.
(2) Support the engine with the garage jack.
(3)Remove the chain block and support the engine assem bly
with the special tool.
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ENGINE Engine ,
Engine side
Arrow
topper
bracket
(4) Align the notches on the stopper with the
bracket with the arrow mark facing, toward the show n
direction. Then
the stopper.
HIGH-PRESSURE FUEL HOSE CONNECTION
When connecting the high-pressure the fuel rail,
apply a small amount of clean oil, to the hose
then insert, being careful not to damage the O-rin g.. .
CautionI.
Do not let engine oil get the .
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ENGINE Crankshaft
CRANKSHAFT PULLEY
REMOVAL AND INSTALLATION
l Under Cover Removal(Refer to GROUP 42 Under Cover.)(Refer to Under
Removal steps1. Drive belt (Generator)
2. Drive belt (Power steering) 3. Drive belt (A/C)
4. Crankshaft pulley
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ENGINECamshaft and Oil Seal
CAMSHAFT AND CAMSHAFT OIL SEAL
REMOVAL AND INSTALLATION
Operation,l Timing Belt Front Upper Cover Removal
(Refer to P o s t - i n s t a l l a t i o n O p e r a t i o n l Timing Belt Front Cover (Refer to l Engine
2.9 Nm2.2
3.4Nm2.5
Nm
Enaine oil
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2 in.)
Sealant:MITSUBISHI GENUINE PART or equivalent
Cylinder head
sealant: ATD No. 8660 or equivalent

ENGINECamshaft and Camshaft ‘Oil -Seal
Removal steps
1. Accelerator cable connection2.Center cover
3. Spark plug cable
4.Breather hose5.PCV6.Rocker cover7. Timing belt (Refer to 8.Cover9.Gasket10. Camshaft position sensing cylinder 11. Camshaft position sensor support
12. Exhaust camshaft sprocket
13. Intake camshaft sprocket
14. Front camshaft bearing cap
15.Camshaft bearing cap
16. Rear camshaft bearing cap (R.H.)
17. Rear camshaft bearing cap (L.H.)
18.Exhaust camshaft19.Intake camshaft20. Camshaft oil seal21.Semi-circular packing
Installation steps. .
19. Intake camshaft 18. Exhaust camshaft Rear cap (R.H.)
16. Rear bearing cap (L.H.)
15. bearing cap 14. bearing cap
20. Camshaft 13. Intake camshaft12. Exhaust 11. Camshaft
Cover
7. Timing belt (Refer to
21. Semi-circular packing”
6. Rocker cover hose
4. Breather hose
3. Spark plug, cable2. Center cover 1. Accelerator cable .
Service.)
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ENGINECamshaft and Camshaft Oil
Plastic hammer
sideExhaust side
Slits01
Dowel pins
ExhaustsideIntake side
I
REMOVAL SERVICE POINTS .
EX H A UST
CAMSHAFT SPROCKET
Use a wrench at the hexagonal part of the camshaft
(to prevent the crankshaft from turning) to loosen the
camshaft sprocket bolt.
(2) Remove the camshaft sprockets.
FRONT CAMSHAFT BEARING FRONT CAMSHAFT BEARING
B E A R I N G B E A R I N G
(L.H.) (L.H.)
(1) Loosen the bearing cap installation ‘in two or three
steps.
(2) Remove the bearing cap.
NOTE
If the bearing cap is difficult to remove, use a plastic
hammer to gently tap the rear part of the camshaft, and
then remove.
INSTALLATION SERVICE POINTS
INTAKE CAMSHAFT/EXHAUST CAMSHAFT
INSTALLATION
(1) Install the camshafts on the cylinder head.
Caution
Do not confuse the intake side and the exhaust side .
NOTE
Install new camshafts using the following procedure.
(1) Remove the rocker arms.
(2) Lay the camshafts on the cylinder head and inst all
the bearing caps.
(3)
that the camshaft can be easily turned by
(4) After’ checking, remove the bearing caps and th e
camshafts, and install the rocker arms.
(2) The camshafts dowel pins should be at the posit ions
shown in the figure.