17. Cooling and Lubrication System
Inspection of Water Temperature Sensor
z Place a rag under water temperature sensor① and
remove it from cylinder head.
z Check the resistance of water temperature sensor
as illustrated on the right. Connect the temperature
sensor② to the circuit tester, place it in a vessel
with engine oil. Place the vessel above a stove.
z Heat the oil to raise the temperature slowly and take
the reading from thermometer ③ and ohmmeter ④ .
Water Temperature and Resistance
Temperature( )℃ 50 80 100 120
Resistance(Ω) 154±16 52±4 27±3 16±2
Installation: Apply a little thread locker and install it to
the cylinder head by tightening to the specified torque.
Water Temperature Sensor
Tightening Torque: 10N.m
Note:
z Avoid sharp impact on temperature sensor
z Avoid contact of temperature sensor with
thermometer or vessel
z After installation, check the coolant level. Fill
coolant if necessary.
Inspection of Thermostat
z Remove thermostat case
z Remove thermostat
17-6
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