Mitsubishi L200. Manual — part 207
FUEL FILTER
FUEL SUPPLY
13B-10
<Vehicles with plastic fuel filter case>
WATER LEVEL SWITCH CHECK
1. Connect the circuit tester to the water level switch.
ACB01915AB
Float
2. There should be continuity when the float is
raised, while there is no continuity when it is
lowered.
3. Replace the fuel filter assembly if it is faulty.
FUEL FILTER VACUUM SWITCH CHECK
ACB01916AB
1. Connect the circuit tester to the fuel filter vacuum
switch and check to see that there is continuity
between the terminals.
2. Replace the fuel filter assembly if it is faulty.
14-1
GROUP 14
ENGINE COOLING
CONTENTS
GENERAL INFORMATION . . . . . . . .
SERVICE SPECIFICATION(S) . . . . .
LUBRICANT(S) . . . . . . . . . . . . . . . . .
SEALANT(S) OR ADHESIVE(S) . . . .
SPECIAL TOOL(S) . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
ENGINE COOLANT LEAK CHECK . . . . . .
RADIATOR CAP OPENING PRESSURE CHECK
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT CHANGE . . . . . . . . . .
ENGINE COOLANT CONCENTRATION TEST
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER PUMP COOLANT LEAK CHECK .
RADIATOR FAN . . . . . . . . . . . . . . . .
RADIATOR FAN REMOVAL AND INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT . . . . . . . . . . . . . . . . . .
THERMOSTAT REMOVAL AND INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT INSPECTION . . . . . . . . . . .
WATER PUMP . . . . . . . . . . . . . . . . . .
WATER PUMP REMOVAL AND INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER HOSE AND WATER PIPE . .
WATER HOSE AND WATER PIPE REMOVAL AND
INSTALLATION . . . . . . . . . . . . . . . . . . . . . .
WATER HOSE AND WATER PIPE INSPECTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIATOR . . . . . . . . . . . . . . . . . . . . .
RADIATOR REMOVAL AND INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION
ENGINE COOLING
14-2
GENERAL INFORMATION
M1141000101824
The cooling system is designed to keep every part of
the engine at appropriate temperature in whatever
condition the engine may be operated. The cooling
method is of the water-cooled, pressure forced circu-
lation type in which the water pump pressurizes cool-
ant and circulates it throughout the engine. If the
coolant temperature exceeds the prescribed temper-
ature, the thermostat opens to circulate the coolant
through the radiator as well so that the heat
absorbed by the coolant may be radiated into the air.
The water pump is of the centrifugal type and is
driven by the drive belt from the crankshaft. The radi-
ator is the corrugated fin, cross-flow type.
Item
Specification
Radiator
Performance kJ/h
244,300
Built-in A/T oil cooler
Performance kJ/h
6,800
SERVICE SPECIFICATIONS
M1141000300739
Item
Standard value Limit
High-pressure valve opening pressure of radiator cap kPa
93
− 123
Minimum 83
Range of coolant antifreeze concentration of radiator %
30
− 60
-
Thermostat
Valve opening temperature of thermostat
°C
82
± 2
-
Full-opening temperature of thermostat
°C
95
-
Valve lift mm
10 or more
-
LUBRICANT
M1141000400662
Item
Specified coolant
Quantity L
Engine coolant (including
radiator condense tank)
DIA QUEEN SUPER LONG LIFE COOLANT or
equivalent
8.2
SEALANTS
M1141000501576
Item
Specified sealant
Engine coolant temperature gauge unit
3M ATD Part No.8660 or exact equivalent
Engine coolant temperature sensor
ThreeBond 1324N, LOCTITE 262 or equivalent
SPECIAL TOOLS
ENGINE COOLING
14-3
SPECIAL TOOLS
M1141000601432
Tool
Number
Name
Use
MB991871
MB991871
LLC changer
Coolant refilling
MB992042
MB992042
Engine coolant
temperature sensor
wrench
Removal and installation of
the engine coolant
temperature sensor
ON-VEHICLE SERVICE
ENGINE COOLANT LEAK CHECK
M1141001000515
WARNING
When pressure testing the cooling system,
slowly release cooling system pressure to
avoid getting burned by hot coolant.
CAUTION
• Be sure to completely clean away any mois-
ture from the places checked.
• When the tester is taken out, be careful not to
spill any coolant.
•
ACX01844
Cap adapter
Adapter
AC
Be careful when installing and removing the
tester and when testing not to deform the
filler neck of the radiator.
1. Check that the coolant level is up to the filler neck.
Install a radiator tester and apply 160 kPa
pressure, and then check for leakage from the
radiator hose or connections.
2. If there is leakage, repair or replace the
appropriate part.
RADIATOR CAP VALVE OPENING
PRESSURE CHECK
M1141001300646
NOTE: Be sure that the cap is clean before test-
ing. Rust or other foreign material on the cap seal
will cause an improper reading.
AC211643 AB
Cap adapter
1. Use a cap adapter to attach the cap to the tester.
2. Increase the pressure until the indicator of the
gauge stops moving.
Minimum limit: 83 kPa
Standard value: 93
− 123 kPa
3. Replace the radiator cap if the reading does not
remain at or above the limit.
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