belt MITSUBISHI SPYDER 1990 Service Manual PDF

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
TSB Revision

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.
Revision

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
Revision

ENGINE OVERHAUL Camshaft Cam
INSTALLATION
I
Front bearing cap (No. cap)
diameter bead of Loctite 51817
Left rear bearing cap cap)
(1) Install hydraulic lash adjuster
adjusters are at least of
making. that
is
by little or no plunger travel the lash adjuster is
depressed.. .
(2)Lubricate with clean oil and install cam follower a ssemblies
in their original position on the hydraulic adjuster and
valve stem.
Caution
Piston should NOT be at top dead center when
lingthecamshaft.
(3) Lubricate bearing journals and cams with clean oil and
install the camshafts. Install right and left camshaft bearing
caps No. 2 thru No. 5 and right Tighten fasteners
to 12 Nm (9 in sequence shown in the figure.
(4) Apply Loctite 51817 to No. 1 and No. 6 bearing caps.
Install bearing caps and tighten
fasteners to 28 Nm
(21
(5) Bearing end caps must be installed before seals can
be installed.
(6) Install timing belt, sprockets and timing cover s. Refer
to “Timing belt”.
Caution
Do not allow oil or solvents to contact the timing
belt as they can deteriorate the rubber and cause
tooth skipping.
(7) Install new cylinder head cover gaskets.
(8) Apply Loctite 18718 at the camshaft cap corners and
at the top edge of the
round seal.
TSBRevisionI

CONTENTS
CAMSHAFT AND CAMSHAFT OILCompression Pressure Check. . . . . . . . . . ..
SEAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21Curb Speed Check. . ... . . . .. . . . . . . . .
Drive Belt Tension Check and
CRANKSHAFT FRONT OIL SEAL. . . . . . . . . .26Adjustment.. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mixture Check . . . . . . . . . . . . . . . . . . . . . . .
CRANKSHAFT PULLEY. . . . . . . . . . . . . . . . . . .20Ignition Timing Check
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .13CRANKSHAFT REAR OIL SEAL27Lash Adjuster Check
. . . . . . . . . . .
Manifold Vacuum Check. . . . . . . . . . . . . . . . . .12
CYLINDER HEAD GASKET . . . . . . . . . . . . . . . .29 . .
SEALANTS. . . . . . . . . . . . . . . . . . . . . . . . . . .. .3
ENGINE ASSEMBLY. . . . . . . . . . . . . . . . . . . . . .15SERVICE. . . . . ... .
.....
.....
GENERAL INFORMATION. . . . . . . . . . . . . . . . . .2SPECIAL TOOLS. . . . . . . . . . . . . . . . . . . . . . . . . . .4
OIL PAN AND OIL SCREEN . . . . . . . . . . . . . . .24
ON-VEHICLE SERVICE. . . . . . . . . . . . . . . . . . . . .7
Basic Speed Adjustment
. . . . . . . . . . . . . . . . . . . . . . . Refer to GROUP
TIMING BELT. . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
BELT . . . . . . . . . . . . . . . . . . . . . . . . . . .39
TROUBLESHOOTING
. . . . . . . . . . . . . . . . . . . . . . . 6

ENGINEService
SERVICE SPECIFICATIONS
Drive belt Tension (Ibs.) When checked
(For
When a new belt is installedtor)When a used belt is installed
DeflectionWhenchecked
mm (in.)When a new belt is installed
value> When a used belt is installed
Drive belt Tension
(Ibs.) When checked
(For power When a new belt is installed
steeringWhen a used belt is installed
DeflectionWhenchecked
mm (in.)When a new belt is installed
When a used belt is installed
Drive beltTension (Ibs.) When checked
A/C When a new belt is installed
When a used belt is installed
DeflectionWhenchecked
mm (in.)When a new belt is installed
When a used belt is installed
ignition timing at idle
ignition timing at idle
idle speed
contents
contents ppm
pressure (at 250 400 (psi)
pressure difference of all cylinder (psi)
ntake manifold vacuum
(in. Hg)
head bolt length mm (in.)
tensioner push rod movement mm (in.)
belt tension torque Nm
tensioner rod protrusion mm (in.)
belt tension mm (in.) Standard
Limit
,
490
686 (110.2 154.3)
7.5 9.0
10.0
245 490 (55.1 110.2)
1 5 4 . 3 )
343 441 (77.2 99.2)
5.5 8.0
4.5
6.0
255 333 (57.3 75.0)
382 441 (86.0 99.2)
255
333 (57.3 75.0)
6.5 7.5
5.5 6.0
6.5 7.5
3”
Approx. BTDC
0.5 or less
100 or less
1,350 (192) ,020 (145)
100 (14)
min. 60 (18)
99.4 (3.91)
Within 1
3.5 (2.6)
3 . 8 - 4 . 5
5 7
S E A L A N T S
ItemsS p e c i f i e d s e a l a n t
Oil pan, cylinder block and thermostat case assembl yMITSUBISHI GENUINE PART or equivalent
Flywheel bolt or drive plate bolt
Stud locking 4170 or
TSB Revision

ENGINE Troubleshooting.
TROUBLESHOOTING
SymptomProbable causeRemedy
Compression too low Cylinder head gasket blown Replace gasket
Piston ring worn or damaged Replace rings
Piston or cylinder worn Repair or replace piston and/or cylinder
block
Valve seat worn or damaged Repair or replace valve and/or seat ring
Oil pressure drop Engine oil level too low Check engine oil level
Oil pressure switch faulty ‘Replace
pressure switch
Oil filter cloggedInstall new filter
Oil pump gears or cover worn Replace gears and/or cover
Thin or diluted engine oil Change engine oil to correct viscosity
Oil relief valve stuck (open) Repair relief valve
Excessive bearing clearanceR e p l a c e b e a r i n g s
Oil pressure too high Oil relief valve stuck (closed
) Repair relief valve
Noisy valves Incorrect lash adjuster Bleed air or replace lash adjuster
Thin or diluted engine oil (low oil pressure) Change engine oil
Valve stem or valve guide worn or damaged Replace valve and/or guide
Connecting rod noise/ Insufficient oil supply Check engine oil level
main bearing noise Low oil pressure Refer to “Oil pressure drop”
Thin or diluted engine oil Change engine oil
,
Excessive bearing clearanceReplace bearings
Timing belt noiseIncorrect belt tensionAdjust belt tension replace tim-
ing belt
engine Loose engine roll stopper (Front, Rear) Retighten
ing and vibration Loose transaxle mount bracket Retighten
Loose engine mount bracket Retighten
Loose center member Retighten
Broken transaxle mount insulator
Replace
Broken engine mount insulatorReplace
Broken roll stopper insulatorReplace
Revision

ENGINE On-vehicle Service
(22
Generator
pulley
Water
pulley
Adjus bolt
DRIVE BELT TENSION CHECK AND
A D J U S T M E N T
GENERATOR DRIVE BELT TENSION
Use the belt tension gauge to check belt tension the shown
point or check deflection by applying (22 to the
shown point. ,
Standard value: Tension: 245
490 (55.1 110.2
Deflection 9.0 11.5 mm
GENERATOR DRIVE BELT TENSION ADJUSTMENT
1. Loosen the nut of the generator pivot bolt.
2. Loosen the lock bolt.
3.Turn the adjusting bolt to adjust the belt tension or deflec-
tion to the standard value.
Standard value:
Items belt is belt is
Tension392
(88.2)
Deflection10.0
mm
value>
4Tighten the nut of the generator pivot bolt.
Tightening torque: 23 Nm (17
5. Tighten the lock bolt.
Tightening torque: 23 Nm (17
6. Tighten the adjusting bolt.Tightening torque: 10 Nm (7
TSB Revision

ENGINEO n - v e h i c l e S e r v i c e
pump pulley
Cranksh
pulley
POWER STEERING PUMP DRIVE BELT TENSION
CHECK
Use the belt tension gauge to check belt tension at the shown
point or check deflection by applying 98 (22 to the
shown point.
Standard value:
Tension: 245
490 (55.1 110.2 Ibs.)
Deflection: 5.5
8.0 mm
POWER STEERING PUMP DRIVE BELT TENSION
ADJUSTMENT
1. Loosen power steering pump fixing bolt (A, D).
2.Move power steering pump, tension belt moderately a nd
adjust tension.
Standard value:
Items
Tension
Deflection
mm (in.) When
a new belt isWhen a used is
installed
3. Tighten fixing bolt (A).
Tightening torque: 28 Nm (21
4. Tighten the remaining fixing bolts and
Tightening torque: Bolt
and 28 Nm (21
Bolt 22 Nm (16
5.Check the belt deflection amount and readjust if ne ces-
sary.
Caution
This check should be carried out after turning the
crankshaft one full rotation or more in the forward
direction (to the right).
COMPRESSOR DRIVE BELT TENSION CHECK
Use the belt tension gauge to check belt tension at the shown
point (a) or (b), or check deflection by applying 98 (22
Ibs.) to the shown point.
Standard value:
Tension: 255 333 (57.3 75.0 Ibs.)
Deflection: 6.5
7.5 mm
TSB Revision

On-vehicle Service
A/C COMPRESSOR DRIVE BELT TENSION ADJUSTMENT
1. Loosen tension pulley fixing nut A.
2. Adjust belt tension with adjusting bolt B.
Standard value:
When a new belt isWhen a used belt is
installed installed
Tension
382-411255-333
(Ibs.)
Deflection8.5-7.5
mm (in.)
3. Tighten fixing nut A. Tightening torque: 23-26 Nm
4.Check the belt deflection amount and readjust if ne ces-
sary.
Caution
This check should be carried out after turning the
crankshaft one full rotation or more
the forward
direction (to the right).
IGNITION TIMING CHECK
1.Before inspection and adjustment set vehicle in the follow-
ing condition.
lEngine coolant temperature:
lLights, electric cooling fan and all accessories: OFF
Transaxle: Neutral (P range on vehicles with
2. Turn the ignition switch to OFF and connect the scan
tool to the data link connector.
3. Set up a timing light.
4. Start the engine and run at idle.
5. Select No. 22 of the SCAN TOOL DATA LIST.
6.Check that engine idle speed is within the standard value.
Standard value: 750 100
7. Select No. 17 of the SCAN TOOL ACTUATOR TEST.
Check that basic ignition timing is within the standard
value.
Standard value: BTDC
If the basic ignition timing is outside the standar d value,
inspect the components by referring to GROUP
Troubleshooting.
TSB Revision