1990 MITSUBISHI SPYDER service

Engine>FUEL SUPPLY
Fuel
(Refer to GROUP On-vehicle Service.)
2.5Nm1.8
25 Nm
Removal steps
1.Fuel tank2. Vapor hose
3. High-pressure fuel hose
4. Return hose
5. Fuel tank differential pressuresensor6. Fuel pump assembly
7. Fuel gauge unit
8. Fuel cut-off valve assembly 9. Vapor hose
lo. Fuel tank filler cap
11. Filler hose
1
13. Fuel tank filler tube protector14. Reinforcement 15. tank tube assembly16. Packing
When replacing pump fuel gauge
unit only, it is possible to work from the service holes
underneath the rear seat, without having toremove the fuel tank. (Refer
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FUEL SUPPLY Fuel Tank
Pre-removal Operation
Pressure of Fuel (Refer to GROUP On-vehicle Service.) Il . . . . .
and Hose.
Post-installation Operationl Propeller Installation to GROUP 25 Propeller
Fuel Leaks
Propeller Shaft.)
13
Nm
.
13
25
4936
Removal Steps
1. Heated oxygen sensor connection
2. Center exhaust pipe
3.Protector4.Band5.Fuel tank6. High-pressure fuel hose7.Return hose8.Suction hose9. Pipe 10. Cap11. Fuel gauge unit and pumpassembly gauge unit and pipe assembly
14. hose
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Shaft.)
15. Fuel cut-off valve assembly16. Fuel tank filler tube cap
17. Filler hose
18. Vapor hose19.Fuel tank filler tube protector
20. Reinforcement21. Fuel tank filler tube assembly
22. Packing
NOTEWhen replacing the fuel gauge unit and pumpor the fuel gauge unit and pipe assembly only, it is to work from the service holes rear seatcushion without having to remove the fuel tank. (Refer to

FUEL SUPPLY Fuel Tank
Fuel gauge unit and
pipe assembly
Front of
Mating marks
Fuel gauge unit and
pump assembly
Mating marks
INSTALLATION SERVICE POINT
INSTALLATION ,
Use the special tool to tighten the the
so that the marks on the fuel tank the, unit
and pump assembly (or the fuel gauge and pipe assembly)
are aligned.
Caution
Make sure that the fuel gauge unit and pump assembl y
(or the fuel gauge unit and pipe assembly) does not turn
together with the cap when tightening the cap.
If the mating marks are not aligned, the position o f the
float will not be correct and the fuel gauge indicator light
and the fuel level gauge will properly.
FUEL TANK DIFFERENTIAL PRESSURE SENSOR
INSTALLATION
Caution
When removing or installing the sensor, take care n ot
to damage sealing.
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FUEL SUPPLY Fuel Tank
FUEL GAUGE UNIT AND PUMP ASSEMBLY
REPLACEMENT
(1) Remove the rear seat cushion. (Refer to, GROUP
Seat.)
(2) Remove the protector.
(3) Disconnect the hoses and connectors to remove the fuel
pump assembly or fuel gauge unit.
(4) Align the packing positioning projections with. the
in the fuel pump assembly.
(1) Remove the rear seat cushion. (Refer to GROUP
Seat.)
(2) Remove the protector.
(3) Bleed the residual pressure inside fuel
to prevent the fuel from spraying’
(Refer to GROUP On-vehicle Service.)
(4) Disconnect the hose and connector ‘connections, ’ and
then remove the fuel
and pump assembly
(5)
or the fuel gauge unit and pipe
Check to be surethat the fuel tank packing damaged
or deformed, and then securely install the packing.
NOTE
If the packing is damaged or deformed? replace with new
packing.
(6) Apply soapy water to the inside of the packing, and “then
install the fuel gauge unit and pump assembly the
fuel gauge unit and pipe assembly..
.Caution
Do not tilt the fuel gauge unit pump
or the fuel gauge and pipe assembly when
installing.
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FUEL SUPPLY Filter
REMOVAL AND INSTALLATION
Operationl Residual Pressure from High Pressure
Engine (Non-turbo)>
(Refer to GROUP On-vehicle Service.) Engine (Turbo) and Engine>
(Refer to GROUP On-vehicle Service.)
l Removal Engine (Turbo) and Engine>Air Intake Hose Removal Engine (Turbo) and Engine>
Post-installation Operationl Air Intake Hose Installation andl Battery Engine . .
l Pressure Measurement Engine (Non-turbo)>
(Refer to GROUP On-vehicle Service.) (Turbo) and Engine>
(Refer to GROUP Service.)
E n g i n e ( T u r b o ) a n d
29 Mm 22
‘36.27
Engine (Non-turbo)>
29 Nm22
36Nm27
Removal steps
1.Eye bolt2.Gasket3.High-pressure fuel hose connection4.Gasket
5. Fuel main pipe connection
6. Eye bolt
7.Gasket8.Connector9.Gasket10.Pressure regulator11. Fuel filter12. Fuel filter bracket
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FUEL SUPPLY Fuel Filter.
REMOVAL SERVICE
P O I N T S
EYE BOLT REMOVAL
Hold the fuel filter with a spanner and remove the eye bolt.
Caution
As there will be some pressure remaining in the fue l
pipe line, coverit with a shop towel to prevent fuel from
spraying out.
FUEL MAIN PIPE DISCONNECTION
Hold the fuel filter with a spanner and loosen the flare nut.
Then disconnect the fuel main pipe.
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CONTENTS
GENERAL INFORMATION. . . . . . . . . . . . . . . . . .2SERVICE SPECIFICATIONS . . . . . . . . . . . . . . . . . 3
LUBRICANT3THERMOSTAT. . . . . . . . . . . . . . . . . . . . . . . . . . . .13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . . . . . . . . . . . .7TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . .4
Engine Coolant Concentration Test. . . . . . . . . . . .7.
Engine Coolant Leak Check . . . . . . . . . . . . . . . . . .
7WATER HOSE ‘AND PIPE
. . . . . . . . .
Engine Coolant Replacement. . . . . . . . . . . . . . . . .7 AND
Radiator Cap Valve Opening Pressure CheckENGINE>. . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7WATER PUMP
RADIATOR. . . . . . . . . .18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 ENGINE (NON-TURBO)>
ENGINE (TURBO) AND , , S E A L A N T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3ENGINE>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

G e n e r a l
ENGINE COOLING
Engine>
Radiator fan assemblyReserve tank
(Airoilcooler
cooled) oil cooler hose and pipe
SERVICE SPECIFICATIONS
ItemsStandard valueLimit
ThermostatValve opening temperature of Engine (Non-turbo)90.5 (195) thermostat Engine (Turbo) and Engine 82 (180)
Full-opening temperature of Engine (Non-turbo)
102 (216)
thermostat
Engine (Turbo) and Engine95 (203),
Radiator cap valve opening pressure (psi) Engine (Non-turbo)9 4 - 1 2 2 ( 1 4 - 1 8 )
Engine (Turbo) and Engine
LUBRICANT
ItemQuantity
Engine coolant HIGH QUALITY ETHYLENE GLYCOL ANTIFREE ZE COOLANT7.0 (7.4)
SEALANT
ItemSpecified sealant,
Thermostat case Engine (Turbo) and Engine>
Mitsubishi Genuine Parts No. or equivalent:
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