Mitsubishi Montero Sport (2004+). Manual — part 586
THERMOSTAT
TSB Revision
ENGINE COOLING
14-11
INSTALLATION SERVICE POINT
.
>>A<< THERMOSTAT INSTALLATION
CAUTION
Make absolutely sure that no oil adheres to the rubber ring
of the thermostat. Also be careful not to fold or scratch the
rubber ring during installation.
Install the thermostat so that the jiggle valve is facing straight
up. Be careful not to fold or scratch the rubber ring.
INSPECTION
M1141002500267
Thermostat Check
1. Immerse the thermostat in water, and heat the water while
stirring. Check the thermostat valve opening temperature.
Standard value: Valve opening temperature: 88
± 1.5°C
(190
± 3°F)
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 thermostat is
fully closed, and use this measurement to compare the
valve height when the thermostat is fully open.
Standard value:
Full-opening temperature: 100
°C (212°F)
Amount of valve lift: 10 mm (0.39 inch)
AC004455
THERMOSTAT
JIGGLE
VALVE
RUBBER
RING
AB
ACX00400
ACX00401AB
VALVE LIFT
WATER PUMP
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ENGINE COOLING
14-12
WATER PUMP
REMOVAL AND INSTALLATION
M1141002700539
Pre-removal and Post-installation Operation
• Engine Coolant Draining and Refilling (Refer to GROUP
00, Maintenance Service
• Timing Belt Removal and Installation (Refer to GROUP
11A, Timing Belt
AC004456
1
2
3
4
5
9
2
6
7
8
10
11
12
17 - 20 N·m
12 - 14 ft-lb
17 - 20 N·m
12 - 14 ft-lb
20 N·m
17 ft-lb
20 N·m
17 ft-lb
12 - 15 N·m
106 - 133 in-lb
AD
N
N
N
N
N
REMOVAL STEPS
•
THERMOSTAT (REFER TO
<<A>> >>C<<
1.
RADIATOR UPPER HOSE
CONNECTION
2.
WATER HOSE CONNECTION
3.
WATER OUTLET FITTING
BRACKET
4.
WATER OUTLET FITTING
ASSEMBLY
>>A<<
5.
O-RING
6.
GASKET
7.
THERMOSTAT CASE
8.
GASKET
9.
WATER PUMP BRACKET
>>B<<
10. WATER PUMP ASSEMBLY
11. GASKET
>>A<<
12. O-RING
REMOVAL STEPS (Continued)
WATER PUMP
TSB Revision
ENGINE COOLING
14-13
REMOVAL SERVICE POINT
.
<<A>> RADIATOR UPPER HOSE DISCONNECTION
Make mating marks on the radiator hose and the hose clamp.
Disconnect the radiator hose.
INSTALLATION SERVICE POINTS
.
>>A<< O-RING INSTALLATION
CAUTION
• Care must be taken not to permit engine oil or other
grease to adhere to the O-ring.
• When inserting the pipe, check to be sure that there is
no sand, dirt, etc. on its inner surface.
Rinse the mounting location of O-ring and water pipe with
water, and install the O-ring and water pipe.
.
ACX01828
MATING MARKS
AB
ACX00402
O-RING
WATER PIPE
AD
WATER PUMP
TSB Revision
ENGINE COOLING
14-14
>>B<< WATER PUMP ASSEMBLY INSTALLATION
.
>>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.
BOLT NO.
DIAMETER (D)
× LENGTH (L) mm (in)
1
8
× 14 (0.3 × 0.6)
2
8
× 20 (0.3 × 0.8)
3
8
× 25 (0.3 × 1.0)
4
8
× 65 (0.3 × 2.6)
AC004457AB
1
2
3
4
4
L
D
ACX01829AB
PROJECTION
WATER OUTLET
FITTING
MATING
MARKS
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