MITSUBISHI SPYDER 1990 Service Repair Manual

ENGINE COOLING Radiator
Projection
Water outlet fitting water inlet fitting
Engine (Non-turbo)
<Except Engine (Non-turbo)-
REMOVAL SERVICE POINTS
RADIATOR UPPER LOWER
HOSE DISCONNECTION
After making mating marks on the hose and the hose
clamp, disconnect the radiator hose.
TRANSAXLE FLUID COOLER
FLUID COOLER HOSE AND PIPE
REMOVAL ,
After removing the hose from the radiator, plug the hose
and the radiator nipple to
dust or
from getting in.,
INSTALLATION SERVICE POINT
RADIATOR LOWER HOSE/RADIATOR UPPER HOSE CONNECTION
(1) each hose as the projection of the water
outlet fitting or water inlet fitting.
(2) Align the mating marks on the radiator hose and hose
clamp, and then connect the radiator hose.
INSPECTION
RADIATOR FAN MOTOR CHECK
(1)Check to be sure that the radiator fan rotates when battery,
voltage is applied between terminals (as shown the
figure).
(2) Check to see that abnormal noises are not
while motor is turning.

ENGINE
Engine (Non-Turbo)>
Engine (Turbo)>
FAN RELAY CONTINUITY
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ENGINE COOLING
T H E R M O S T A T
REMOVAL AND INSTALLATION
Pre-removal and Post-installation OperationEngine Coolant Draining and Supplying (Refer to
GROUP 00 Maintenance Service.)
lAir Hose(C) Removal and Installation Engine(Turbo)> (Refer to GROUP 15 -Charge Cooler.)II
Engine (Turbo)>
Ermine
16
Engine> - -
9.40 0 0 0 4 0 4 2
Removal steps
1. Radiator upper hose connection Engine (Non-turbo)> or
radiator lower hose connection
Engine and En-
-
3. Gasket Engine (Non-turbo)> 4. Thermostat
2.
outlet fitting Engine(Non-turbo)> orwater inlet fitting Engine
(Turbo) and Engine>
Revision

ENGINE Thermostat
EngineJiggle valve
Engine Jiggle valve
Rubber
ring
Projection
Walter outlet fitting or
water inlet fitting
R E M O V A L S E R V I C E P O I N T
UPPER HOSE
(Non-turbo)> OR ROSE
Engine and. ,
D I S C O N N E C T I O N ,
Place a mating mark on the and the clamp.
Then, disconnect the hose.
INSTALLATION SERVICE POINTS
THERMOSTAT INSTALLATION
Install the thermostat so that the jiggle valve is
facing straight
up and is aligned with the mark on the thermostat c ase as
shown in the illustration.
Caution
Make absolutely sure that no oil is adhering to the rubber
ring of the thermostat. In addition, be careful not fold
over or scratch the rubber ring
UPPER HOSE Engine
(Non-Turbo)> OR RADIATOR LOWER
Engine (Turbo) and Engine>
CONNECTION
(1) Insert each hose as far as the of the water
outlet fitting or water inlet fitting.
(2) Align the mating marks on the radiator hose and hose
clamp, and then connect the radiator hose.
.
Revision

E N G I N E C O O L I N G T h e r m o s t a t ” .
Engine (Non-turbo)>
Engine (Turbo) and Engine>
INSPECTION
T H E R M O S T A T. . .
,
Check that the valve closes ‘tightly-at temperature.
lCheck for defects or damage.
Check for rust or other
Remove, if any.
Immerse thermostat in container of Stir to raise
water temperature and check that the thermostat val ve
opening temperature and the water temperature with valve
fully open [valve lift: 8 mm
in.)] are at the standard value.
Standard value:
Valve opening temperature:
Engine (Non-turbo)>
Engine (Turbo) and Engine>
Full-opening temperature:
Engine (Non-turbo)>
Engine (Turbo) and Engine>
NOTE
Measure valve height when fully closed. Calculate l ift by mea-
suring the height when fully open.
Replace the thermostat if it does not open properly , or does
not have the correct valve lift.
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ENGINE COOLING Water Pump Engine (Non-turbo)>
WATER PUMP
ENGINE (NON-TURBO)>
REMOVAL AND INSTALLATION
and Post-Installation l Engine Coolant Draining and Supplying (Refer to
GROUP 00 Maintenance Service.)
l Timing Belt Rear Cover Removal and Installation
(Refer to GROUP
Timing Belt.)
.
12 Nm8.7
Removal steps
1. Water pump
2. O-ring
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E N G I N E C O O L I N G Water Pump Engine
P O I N T
O-RING INSTALLATION ,
Insert the O-ring to the and
of the O-ring with water or coolant.By with
water or engine coolant, the insertion the will become
easier.
Caution1.Do not allow engine oil or othei grease to to theO-ring.2. When inserting the water pump, check that there is no
sand, dirt, etc. on its inner surface’.
Revision

ENGINE COOLING Water Pump Engine (Turbo) and.
WATER PUMP ENGINE (TURBO) AND 1 4 1 0 0 2 7 0 1 5 5 ,
REMOVAL AND INSTALLATION
Pm-removal and Post-installation lEngine Coolant Draining and Supplying (Refer to
GROUP 00 Maintenance Service.)lFor Timinig Belt Removal and Installation,
Refer to the Following
GROUP Timing Belt.
GROUP Timing Belt.
,
12-15
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12-15
2417
12-15
Removal steps
1.Generator brace2.Waterpump
3. Water pump gasket4.O-ring

Water Pump Engine (Turbo) ENGINE COOLING
I N S T A L L A T I O N S E R V I C E P O I N T
O-RING INSTALLATION
Insert the O-ring to the water inlet pipe, and coat the outer
of the O-ring with or coating Water
or engine coolant, the insertion to the water pump will become easier.
Caution
1.Do not allow engine other grease to to the
O-ring.
2.When inserting the pipe, check that is’ no dirt,
etc. on its inner surface.
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Water: Hose and Water Pipe EngineE N G I N E C O O L I N G ( N o n - t u r b o ) >
WATER HOSE AND WATER PIPE
~ 4 1 0 0 5 5 0 1 1 5
REMOVAL AND INSTALLATION
Pre-removal and Post-installation OperationlEngine Coolant Draining and Supplying (Refer toGROUP 00 Service.)lUnder Cover Removal and Installation (Refer to
GROUP 42 Under Cover.)I I
3.92.9
7
33
Removal steps
1. Air intake hose
2. Air hose connection 7. Radiator fan motor assembly
8. Radiator lower hose connection
3. Control wiring harness connection
4. Water pipe assembly
5. Water hose6. Heater hose connection
9. Water hose10. Front exhaust pipe connection Water inlet pipe assembly 12. O-ring
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