1990 MITSUBISHI SPYDER steering

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 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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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

E N G I N E Timing Belt
TIMING BELT
REMOVAL AND INSTALLATION
l Engine Mount Bracket Removal(Refer to GROUP 32 Engine Mounting.)
Post-installation Operationl Under Cover Installation(Refer to GROUP 42 Under Cover.)l Engine Adjustmentl Engine Mount Bracket (Refer to GROUP 32 Engine Mounting.)
4817
6.86.52
25
Removal steps
l Drive Belt Tension Adjustment
1. Drive belt (Generator)
2. Drive belt (Power steering)
3. Tensioner pulley bracket4. Drive belt (A/C)
5. Water pump pulley
6. Water pump pulley (Power
steering)
7. Crankshaft pulley 8. Timing belt front upper cover 9. Timing belt front center cover 10. Timing belt front lower. cover l Timing belt tension adjustment 11. Timing belt12. Tension pulley 13. Auto tensioner
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ENGINE OVERHAUL and 11
GENERATOR AND IGNITION SYSTEM
REMOVAL AND INSTALLATION
825 Nm 18
523Nm
24177
25Nm18
6
10 Nm7
Removal steps
1.Drive belt
2. Water pump pulley
3. Power steering pump pulley
4.Generator brace5.Generator6.Crankshaft pulley7.Center cover
8. Spark plug cable
9.Spark plug10. Ignition power transistor
11.Ignition coil12. Plate
13.Gasket 14. Camshaft position sensor 15. Camshaft position sensor
16. Camshaft position sensing cylinder
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ENGINE ‘Service
SERVICE SPECIFICATIONS
Items
Drive belt
(For
generator)
Standard value Limit
TensionWhen checked
(Ibs.) When a new belt is installed
When a used belt is installed
110)
DeflectionWhenchecked9.0
mm (in.)When a new belt is installed 7.5 10.5
value> 9.0 12.0
Drive beltTensionWhenchecked
(For power
When a new belt is installed
steering oil
When a used belt is installed
without
mm (in.)When a new belt is installed
When a used belt is installed
Drive belt
TensionWhenchecked
(For power
When a new belt is installedsteering oil
and A/C When a used belt is installed
DeflectionWhenchecked
mm (in.)When a new belt is installed
When a used belt is installed
Curb idle speed
mixtureCO contents
HC contents ppm
pressure (at 250 400 (psi)
pressure difference of all cylinder
ntake manifold vacuum
110)
110)
6.5 9.5
1 1 4 . 6 )
608 706 (136.7
412 510 (92.8 114.6)
8.0 9.0
100
0.5 or less
100 or less
1 , 5 5 1
max. 25%
min. 60 (18)
SEALANTS
Items
Semi-circular packing
Oil pan gasket to
Oil pump to
Outside camshaft bearing cap Specified sealant
Loctite 5699 or equivalent
Loctite 518 or equivalent
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ENGINE On-vehicle
Power
Powersteering oilpump pulleyTension
pulley
POWER STEERING OIL PUMP DRIVE BELT
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: 400
(90 110
Deflection: 11 14.0 mm in.)
POWER STEERING OIL PUMP DRIVE BELT TENSION
ADJUSTMENT 1. Loosen power steering oil pump fixing bolt (A, C).
2. Move power steering oil pump, tension belt moder ately
and adjust tension.
Standard value:
When a new belt is when a used belt is
installedinstalled
Tension489-712
I
Deflection6.5-9.5
mm (in.)I
Tighten the fixing bolt (A).
Tightening torque: 39 Nm (29
4. Tighten the remaining fixing bolts and C).
Tightening torque: 39 Nm (29
5.Check the belt deflection mount and readjust if nec essary.
Caution
Turn the crankshaft one full rotation or more clock wise
before this check.
POWER STEERING OIL PUMP AND A/C COMPRESSOR
DRIVE BELT TENSION CHECK
Use the belt tension gauge to check belt tension at the shown
point or check deflection by applying 98
(22 Ibs.) to the
point.
Standard value:
Tension: 412 510 (92.6 114.6 Ibs.)
Deflection: 10.0
11.0 mm in.)
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ENGINE On-vehicle Service
POWER STEERING OIL PUMP AND A/C
DRIVE BELT TENSION ADJUSTMENTTensionpulley nut1. Loosen the tension pulley nut.
Tension pulley2.. Adjust the belt deflection amount using the adj usting bolt.
Standard value:
Adjusting boltItems
Tension
(Ibs.)
Deflection
mm (in.) When a new belt is When a used belt is
installed
installed(136.7-158.7).( 9 2 . 6 - 1 1 4 . 6 )
3. Tighten the tension pulley nut.
Caution
Fix the power steering oil pump position
to the vehicle front.
IGNITION TIMING CHECK11100170044
It is not necessary to check ignition timing using a timing
light, because the crankshaft position is detected directly and
ignition timing is controlled electronically.
CURB IDLE SPEED CHECK
1. Before inspection and adjustment set vehicles in the
following condition.
lEngine coolant temperature:
lLight, electric cooling fan and all accessories: OF F
l Transaxle: Neutral (P range on vehicles with
2. Connect the scan tool to the data link connector .
3. Start the engine and run it at idle.
4. Run the engine at idle for 2 minutes.
5. Check the curb idle speed.
Standard value: 800
100
NOTE
The idle speed is controlled automatically by the i dle air
c o n t r o l s y s t e m . If the idle speed is outside the standard value, in spect
the
components by referring to GROUP
Troubleshooting.
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