1F-4 Power Unit Cooling System:
• Install the thermostat cover and thermostat assembly,
then secure thermostat cover (3) with bolts (4).
Tightening torque
Thermostat cover bolt (a): 10 N·m (1.0 kgf-m, 7.2
lbf-ft)
• Check to ensure that all removed parts are back in
place.
Thermostat Inspection
Z9J0111606002
Inspect the thermostat in the following procedures:
1) Remove the thermostat.
Refer to “Thermostat Removal and Installation”
(Page 1F-3).
2) Inspect the thermostat.
If salt deposits, corrosion, wear or other damage is
found, clean or replace.
3) Check thermostat opening temperature as follows:
a) Insert a length of thread between thermostat
valve / body and suspend thermostat in a
container filled with water.
b) Place thermometer in container and heat water.
Observe water temperature when thermostat
valve opens and releases thread.
Thermostat operating temperature
Standard: 58 – 62 °C (136 – 144 °F)
4) Install the thermostat.
Refer to “Thermostat Removal and Installation”
(Page 1F-3).
Water Pressure Valve Removal and Installation
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Removal
1) Remove lower side cover.
Refer to “Lower Side Cover Removal and
Installation” in Section 2A (Page 2A-3).
2) Remove two bolts (1), pressure valve cover (2) and
water pressure valve (3).
3
(a)
4
I9J011160009-03
I9J011160010-01
1. Thermometer 3. Thermostat
2. Heater
1
2
3
I9J011160002-01
1 1
2
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3
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