Mitsubishi Montero (2002-2004). Manual — part 1076
THERMOSTAT
TSB Revision
ENGINE COOLING
14-13
THERMOSTAT
REMOVAL AND INSTALLATION
M1141002400312
REMOVAL SERVICE POINT
.
<<A>> RADIATOR LOWER HOSE DISCONNECTION
Make mating marks on the radiator hose and the hose clamp.
Disconnect the radiator hose.
Pre-removal and Post-installation Operation
• Engine Coolant Draining and Refilling (Refer to
• Intake Air Duct Removal and Installation (Refer to
GROUP 15, Air Cleaner
.)
AC204072
12 ± 1 N·m
102 ± 13 in-lb
1
2
3
AB
REMOVAL STEPS
<<A>> >>B<<
1.
RADIATOR LOWER HOSE
CONNECTION
2.
WATER INLET FITTING
>>A<<
3.
THERMOSTAT
REMOVAL STEPS (Continued)
AC200641AB
MATING MARKS
THERMOSTAT
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ENGINE COOLING
14-14
INSTALLATION SERVICE POINT
.
>>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.
Install the thermostat so that the jiggle valve is facing straight
up. Be careful not to fold or scratch the rubber ring.
.
>>B<< RADIATOR LOWER HOSE CONNECTION
1. Insert each hose as far as the projection of the water inlet
fitting.
2. Align the mating marks on the radiator hose and hose
clamp, and then connect the radiator hose.
INSPECTION
M1141002500308
.
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: 82
± 2°C (180 ± 36°F)
AC000279
JIGGLE VALVE
RUBBER RING
AB
AC200642
MATING
MARKS
PROJECTION
WATER OUTLET
FITTING
AB
ACX00400
WATER PUMP
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ENGINE COOLING
14-15
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: 95
°C (203°F)
Amount of valve lift: 10 mm (0.39 inch) or more
WATER PUMP
REMOVAL AND INSTALLATION
M1141002700335
ACX00401AB
VALVE LIFT
Pre-removal and Post-installation Operation
• Engine Coolant Draining and Refilling (Refer to
• Timing Belt Removal and Installation (Refer to GROUP
11A, Timing Belt
.)
• Camshaft Sprocket Removal and Installation (Refer to
GROUP 11A, Camshaft and Valve stem seal
AC204068
Bolt specifications
Thread diameter × length mm (in)
8 × 25
(0.3 × 1.0)
8 × 22
(0.3 × 0.9)
11
14 ± 1 N·m
120 ± 13 in-lb
12 ± 1 N·m
102 ± 13 in-lb
12 ± 1 N·m
102 ± 13 in-lb
9.0 ± 1.0 N·m
80 ± 9 in-lb
24 ± 3 N·m
18 ± 2 ft-lb
1
5
3
4
2
6
12
13
11
10
7
8
9
N
N
N
N
N
N
AB
14
15
16
17
13 ± 2 N·m
111 ± 22 in-lb
14 ± 1 N·m
120 ± 13 in-lb
WATER PUMP
TSB Revision
ENGINE COOLING
14-16
REMOVAL SERVICE POINT
.
<<A>> RADIATOR UPPER HOSE DISCONNECTION
After making mating marks on the radiator hose and hose
clamp, disconnect the radiator hose.
INSTALLATION SERVICE POINTS
.
>>A<< O-RING INSTALLATION
Fit the O rings into the groove of the water pipe ends, and apply
water to the circumference of the O ring and the pipe bores to
insert the pipe assembly.
.
REMOVAL STEPS
1.
ENGINE COOLANT
TEMPERATURE SENSOR
CONNECTOR
2.
ENGINE COOLANT
TEMPERATURE GAUGE UNIT
CONNECTOR
3.
SPARK PLUG CABLE SUPPORT
<<A>> >>B<<
4.
RADIATOR UPPER HOSE
CONNECTION
5.
WATER HOSE
6.
WATER HOSE
7.
WATER OUTLET FITTING
BRACKET
8.
WATER OUTLET FITTING
>>A<<
9.
O-RING
10. GASKET
11. WATER PUMP ASSEMBLY
12. GASKET
>>A<<
13. O-RING
14. FITTING
15. GASKET
16. GASKET
17. THERMOSTAT CASE
REMOVAL STEPS (Continued)
AC200641AB
MATING MARKS
AC200644 AB
O-RING
WATER PIPE
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