MITSUBISHI SPYDER 1990 Service Repair Manual

ENGINE OVERHAUL Ignition
INSPECTION
SPARK PLUG CABLE
(1)
must be between 3,000 to 12,000 ohms per
foot of cable. Replace any cable not within toleran ce.
IGNITION COIL
(1) Measure the primary
of each ‘At the coil,
connect an ohmmeter between the
and the pin
corresponding to the
in Resistance
on the primary side of
0.51
ohm. Replace the coil if resistance is
(2) Remove ignition cables from towers of’
the coil. Measure the
the coil
between the towers of each individual coil.
resistance should be ohms. the
coil if resistance is not within tolerance.
,
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E N G I N E O V E R H A U L
TIMING BELT11301860021
REMOVAL
Caution
Camshaft or crankshaft should not be rotate after timing
belt is removed. Damage to valve components may occ ur.
Always align timing marks before removing timlng belt.
Special
Tensionerpulley
Timing belt
tensioner
(1) Remove crankshaft damper bolt. Remove damper us ing
Special Tool and insert or equiva-
lent.
(2) Remove engine mount bracket.
(3) Remove front half of timing belt cover.
(4) Align timingmarks. Loosen timing belt tensioner screws
and remove timing belt.
(5) Remove tensioner pulley
(6) Remove timing belt tensioner.
(7) Remove tensioner arm bracket.
(8) Remove idler pulley.
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ENGINE OVERHAUL Belt
Tensioner
pin
(9) When tensioner is removed from it is necessary
to compress the plunger into the tensioner body.
the tensioner into a vise slowly compress the
plunger.
Caution
Index the tensioner the it
installed on the engine.
This is to proper
pin orientation when
‘is installed on the
engine.
(ll)When plunger is compressed into the tensioner b ody
install a pin through the body and plunger to plunger
in place until tensioner is installed.
camshaft sprocket with Special Tools
and while removing bolt.
(13) Remove support bracket.
rear timing belt cover fasteners.
Remove cover.
camshaft seal.
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ENGINE OVERHAUL Timing
INSTALLATION11301870017
(1) Install camshaft seal into cylinder head using
Tool until flush with the head.
NOTE
Shaft seal lip surface must be free of varnish,
nicks. Polish with 400 grit paper if necessary.
(2) Install rear timing belt cover.Tighten fasteners to 9.6 Nm (6.9
(3) Install support bracket.
(4) Install camshaft sprockets and tighten attachin g
to,
101 Nm (73
(5) Install idler pulley.
(6) Install tensioner arm bracket.
( 7 ) I n s t a l l t i m i n g b e l t t e n s i o n e r .
(8) Install tensioner pulley.
,
,
(9) Set crankshaft sprocket to TDC by aligning the sprocket
with the arrow on the oil pump housing
,
(lO)Set camshafts timing marks together by aligning
on sprockets.
(ll)Move crankshaft to notch before
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ENGINE OVERHAUL Belt
TDCInstall belt in
‘this
here
belt. Starting at the crankshaft, go around
the water pump sprocket, ‘idler pulley,
and then around the tensioner pulley.
crankshaft sprocket to up belt slack.
Install tensioner to block but do not tighten faste ners.
a torque wrench on the tensioner pulley, apply
28 Nm (20
of torque to tensioner.
torque being applied to the tensioner pulley move
the tensioner up against the tensioner pulley
tighten fasteners to 31 Nm (22
tensioner plunger pin,Pretension is correct when
pin can be removed and installed.
crankshaft 2 revolutions and check the alignment
of the timing marks.
front timing belt cover.
Timing Check; (timing belt cover installed), remov e
the inspection cover on timing belt cover. With num ber
one cylinder at TDC, the timing marks on the camsha ft
sprocket should be aligned together. If marks are n ot
aligned correctly, perform procedure again.
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ENGINE OVERHAUL Belt
engine mount
Tighten bolts to 41 Nm (30
crankshaft damper using
Using Special Tools and to hold
damper, tighten crankshaft bolt to 62 Nm (45
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ENGINE OVERHAUL Cooling System
COOLING SYSTEM COMPONENTS
REMOVAL
(1) Remove water pump attaching screws to engine.
Thermostat
Thermostat Gasket
(2) Remove level gauge.
(3) Remove exhaust manifold cover.
(4) Remove water hose.
(5) Remove water pipe.
(6) Remove O-ring.
(7) Remove thermostat housing bolts and housing.
(8)Remove thermostat, discard gasket and clean both ga sket
sealing surfaces.
(9) Remove engine coolant temperature sensor.
Remove switch.
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11 ENGINE OVERHAUL Cooling System
(1) Install switch.
(2) Install engine coolant
lighten sensor
to 7 Nm (5
torque.
Overflownipple
Pressure cap
Impeller
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O-ring
(3) Place a new gasket (dipped in clean water) on water
box surface, center thermostat in water
gasket.
Place housing over gasket and thermostat; making su re
thermostat is in the thermostat housing. Bolt housing
to water box. Tighten bolts to 22 Nm
(4) Install O-ring.
(5) Install water pipe.
(6) Install water hose.
( 7 ) I n s t a l l e x h a u s t m a n i f o l d c o v e r :
(8) Install oil level gauge.
(9) Install new O-ring gasket in water pump body O- ring
groove.
Caution
Make sure O-ring is properly seated in water pump
groove before tightening screws. An improperly
located O-ring may cause damage to the O-ring and
cause a coolant leak.
pump body to block and tighten screws to 12
Nm (9
(ll)Rotate pump by hand to check for freedom of mov ement.
INSPECTION
Replace water pump body assembly if it has any of these
defects:
(1) Cracks or damage on the body.
(2) Coolant leaks from the shaft seal, evident by c oolant
traces on the pump body.
(3) Loose or rough turning bearing.
(4) Impeller rubs either the pump body or the engine bl ock.
(5) Impeller loose or damaged.
(6) Sprocket or sprocket flange loose or damaged.

ENGINE OVERHAUL Fuel and
Intake manifoldFUEL AND EMISSION CONTROL PARTS
REMOVAL
(1) Remove screws attaching EGR tube to intake mani fold.
(2) Remove EGR valve mounting screws. Remove EGR
valve and transducer.
(3) Disconnect purge hose from throttle. body.
(4) Remove throttle body mounting bolts. Remove thr offle
body.I.
(5) Remove gaskets. Clean gasket
(6) Release fuel system pressure. Refer to Fuel.
Pressure Release procedure in this section..
(7)
Remove fuel rail mounting screws. Access screws thr ough
the space between the intake manifold plenum runners.
(8) Lift rail off of intake manifold. Cover the fuel injector
openings in the intake manifold.
(9) Remove fuel injector retainer.
injector out of fuel rail. Replace fuel injector O -rings.
RetainerFuel

ENGINE, OVERHAUL Fuel and Emission Control,,
INSTALLATION
(1) Apply a light coating of clean engine,, oil to the upper
O-ring.
(2) Install injector in cup on fuel
(3) Install retaining clip.
(4) Apply a light coating of clean engine oil to ‘the -O-ring
on the nozzle end of each
Insert fuel injector nozzle into openings in manifold.
Seat the injectors in place. rail
screws.
(6) Connect fuel supply tube to fuel rail.
(7) Install throttle body and new gasket on intake manifold.
T i g h t e n m o u n t i n g b o l t s .
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Connect purge hose nipple on throttle body.
Loosely install EGR valve with a gasket. Install
new gasket between EGR tube and
(lO)Finger tighten EGR tube fasteners.
(ll)Tighten EGR valve mounting screws to 22
(16
EGR tube fasteners to 11 torque.
vacuum supply tube to solenoid.;