Mitsubishi Colt Ralliart. Manual — part 107
![](/vehicles/winoney/ama/flend/wdy.png)
THERMOSTAT
ENGINE COOLING
14-10
THERMOSTAT
REMOVAL AND INSTALLATION
M1141002400732
<4A9>
Pre-removal Operation
• Engine Coolant Draining (Refer to
).
• Alternator Assembly Removal (Refer to GROUP 16,
Charging System
).
Post-installation Operation
• Alternator Assembly Installation (Refer to GROUP 16,
Charging System
).
• Engine Coolant Refilling (Refer to
).
AC402405AB
1
3
4
5
8.4 ± 0.6 N·m
2
N
Removal steps
<<
A
>>
>>
B
<<
1.
Radiator lower hose connection
<<
A
>>
>>
B
<<
2.
Hose clip
3.
Control harness connection
4.
Cooling water inlet hose fitting
>>
A
5.
Thermostat
Removal steps (Continued)
Main
Index
Group
TOC
![](/vehicles/winoney/ama/flend/fthe.png)
THERMOSTAT
ENGINE COOLING
14-11
<4G1>
Pre-removal Operation
• Front Under Cover Panel Removal (Refer to GROUP 51,
Front Bumper Assembly and Radiator Grille
• Engine Coolant Draining (Refer to
).
• Air Hose A Removal (Refer to GROUP 15, Intercooler
).
Post-installation Operation
• Air Hose A Installation (Refer to GROUP 15, Intercooler
).
• Engine Coolant Refilling (Refer to
).
• Front Under Cover Panel Installation (Refer to GROUP
51, Front Bumper Assembly and Radiator Grille
).
AC402115AB
1
22 ± 4 N·m
4
3
2
N
Removal steps
<<
A
>>
>>
B
<<
1.
Radiator lower hose connection
<<
A
>>
>>
B
<<
2.
Hose clip
3.
Cooling water inlet hose fitting
>>
A
4.
Thermostat
Removal steps (Continued)
Main
Index
Group
TOC
![](/vehicles/winoney/ama/flend/elene.png)
THERMOSTAT
ENGINE COOLING
14-12
REMOVAL SERVICE POINT
<<A>> RADIATOR LOWER HOSE/HOSE
CLIP DISCONNECTION
AC209237 AB
Hose clip
Claw (Tip)
Break off the tip of hose clip claw and spread out the
hose clip, then disconnect the radiator lower hose.
NOTE: If there is a hose clip claw, the hose clip can-
not spread to capacity because the claw contacts the
hose clip.
INSTALLATION SERVICE POINTS
>>A<< THERMOSTAT INSTALLATION
CAUTION
Make absolutely sure that no oil adheres to the
rubber ring of the thermostat. Also do not fold or
scratch the rubber ring during installation.
AC005977AB
Rubber ring
Jiggle valve
Install the thermostat so that the jiggle valve is facing
straight up. Be careful not to fold or scratch the rub-
ber ring.
>>B<< HOSE CLIP/RADIATOR LOWER
HOSE CONNECTION
CAUTION
Never reuse the hose clip whose claw is broken
off to prevent the rusting.
1. Insert a new hose clip into the radiator lower hose.
2. Insert the radiator lower hose until the protrusion
of the cooling water inlet fitting.
3. Remove the hose clip claw and shorten the hose
clip, then install the radiator lower hose.
INSPECTION
M1141002500591
THERMOSTAT CHECK
ACX00400AB
1. Immerse the thermostat in water, and heat the
water while stirring. Check the thermostat valve
opening temperature.
Standard value: Valve opening temperature:
<4A9> 82
± 2°C
<4G1> 82
± 1.5°C
ACX00401AC
Valve lift
2. Check that the amount of valve lift is at the
standard value when the water is at the
full-opening temperature.
NOTE: Measure the valve height when the ther-
mostat is fully closed, and use this measurement
to compare the valve height when the thermostat
is fully open.
Standard value:
Full-opening temperature: 95
°C
Amount of valve lift:
<4A9> 8 mm or more
<4G1> 8.5 mm or more
Main
Index
Group
TOC
![](/vehicles/winoney/ama/flend/jonamy.png)
WATER PUMP
ENGINE COOLING
14-13
WATER PUMP
REMOVAL AND INSTALLATION <4A9>
M1141002700830
Pre-removal Operation
• Engine Coolant Draining (Refer to
).
• Side Under Cover Panel (RH) Removal
• Splash Shield Removal (Refer to GROUP 42, Fender
).
• Drive Belt Removal (Refer to GROUP 11A, Crankshaft
Pulley
).
Post installation Operation
• Drive Belt Installation (Refer to GROUP 11A, Crankshaft
Pulley
).
• Drive Belt Tension Check and Adjustment (Refer to
GROUP 11A, On-vehicle Service
− Drive Belt Tension
Check and Adjustment
• Engine Coolant Refilling (Refer to
).
• Splash Shield Installation (Refer to GROUP 42, Fender
).
• Side Under Cover Panel (RH) Installation
AC402406AB
8.4 ± 0.6 N·m
8.4 ± 0.6 N·m
1
2
3
N
Removal steps
1.
Water pump pulley
2.
Water pump
3.
O-ring
Removal steps (Continued)
Main
Index
Group
TOC
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