Mitsubishi 380. Manual — part 239
WATER HOSE AND WATER PIPE
ENGINE COOLING
14-40
WATER HOSE AND WATER PIPE
REMOVAL AND INSTALLATION
M1141003300493
REMOVAL SERVICE POINT
.
<<A>> RADIATOR UPPER HOSE DISCONNEC-
TION
After making mating marks on the radiator hose and hose
clamp, disconnect the radiator hose.
Pre-removal and Post-installation Operation
Thermostat Removal and Installation (Refer to 35).
04DB020A
N
1
9
7
5
6
2
8
19 ± 1 N·m
14 ± 1 ft-lb
19 ± 1 N·m
14 ± 1 ft-lb
N
9
N
N
6
11 ± 1 N·m
98 ± 8 in-lb
2
29 ± 10 N·m
22 ± 7 ft-lb
REMOVAL STEPS
<<A>>
>>C<<
1.
RADIATOR UPPER HOSE
CONNECTION
2.
HEATER HOSE CONNECTION
5.
THERMOSTAT HOUSING
6.
GASKET
>>B<<
7.
ENGINE COOLANT
TEMPERATURE SENSOR
8.
WATER PUMP INLET PIPE
>>A<<
9.
O-RING
REMOVAL STEPS (Continued)
AC200641AB
MATING MARKS
WATER HOSE AND WATER PIPE
ENGINE COOLING
14-41
INSTALLATION SERVICE POINTS
.
>>A<< O-RING INSTALLATION
CAUTION
Do not allow engine oil or other grease to adhere to the
O-ring
Insert the O-ring to the water pipe, and coat the outer portion of
the O-ring with water or engine coolant.
.
>>B<< ENGINE COOLANT TEMPERATURE
SENSOR INSTALLATION
Apply the specified sealant to the thread of the engine coolant
temperature sensor, and then tighten it to the specified torque.
Specified Sealant: 3M
™ AAD Part No. 8731 or equiva-
lent
.
>>C<< RADIATOR UPPER HOSE CONNECTION
1. Insert each hose as far as the projection of the water outlet
fitting.
2. Align the mating marks on the radiator hose and hose
clamp, and then connect the radiator hose.
INSPECTION
M1141003400337
.
Water Pipe and Hose Check
Check the water pipe and hose for cracks, damage and clogs.
Replace them if necessary.
AC200644 AB
O-RING
WATER PIPE
AC208408AB
AC200642
MATING
MARKS
PROJECTION
WATER OUTLET
FITTING
AB
SPECIFICATIONS
ENGINE COOLING
14-42
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
M1141005000346
ITEM
SPECIFICATION
Cylinder block drain plug
39
± 5 N⋅m (29 ± 3 ft-lb)
Radiator
Front end structure bar bolt
M8
× 10
11
± 2 N⋅m (98 ± 17 in-lb)
M8
× 20
22
± 4 N⋅m (16 ± 3 ft-lb)
Thermostat
Control harness bolt
5.0
± 1.0 N⋅m (44 ± 9 in-lb)
Grounding bolt
M6
9.0
± 2.0 N⋅m (80 ± 17 in-lb)
M8
22
± 4 N⋅m (16 ± 3 ft-lb)
Water inlet fitting bolt
19
± 1 N⋅m (14 ± 1 ft-lb)
Water hose and water pipe
Engine coolant temperature sensor
29
± 10 N⋅m
Thermostat housing bolt
19
± 1 N⋅m (14 ± 1 ft-lb)
Water pump inlet pipe
11
± 1 N⋅m (98 ± 8 ft-lb)
Water pump
Water pump bolt
M8
42
± 8 N⋅m (31 ± 6 ft-lb)
M10
24
± 3 N⋅m (18 ± 2 ft-lb)
Water pump bracket bolt
24
± 3 N⋅m (18 ± 2 ft-lb)
SPECIFICATIONS
ENGINE COOLING
14-43
SERVICE SPECIFICATION
M1141000300449
CAPACITIES
M1141005100138
SEALANTS
M1141000500368
ITEM
STANDARD VALUE LIMIT
Fan Controller V
A/C OFF
1 or less
-
A/C ON
Repeat
8.2
± 2.6
System voltage
± 2.6
-
High-pressure valve opening pressure of radiator cap kPa (psi)
93
− 123 (14 − 18)
Minimum 83 (12)
Thermostat
Valve opening temperature
of thermostat
°C (°F)
3.8L Engine
88
± 1.5 (190 ± 3)
-
Full-opening temperature
of thermostat
°C (°F)
3.8L Engine
100 (212)
-
Valve lift mm (in)
3.8L Engine
9.0 (0.35) or more
-
ITEM
QUANTITY dm
3
(qt)
Long life antifreeze coolant or an equivalent
3.8L Engine
8.7 (9.2)
ITEM
SPECIFIED SEALANT
Cylinder block drain plug
3M
™ AAD Part No.8731 or equivalent
Engine coolant temperature sensor
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