Cooling System

WATER TEMPERATURE SENSOR
Disassembly:
——To demount water temperature sensor (at the
exhaust pipe flank and under the lifting eye).
Assembly:
——To apply Letai 243 glue on the screw thread,
screw up the bolt to 7.0—10.0Nm before
installation.
Checking:
Water temperature sensor is a negative temperature coefficient sensor, which is composed of
a thermal resistor. The resistance value of the resistor shall decrease as the engine temperature
rises. The variation is detailed in the following table:
Temperature (°C) Resistance Value (Ω)
-20 29,125
-10 16,660
0 9,790
+20 3,748
+25 3,000
+60 747
+80 377
+100 204
+120 117
COOLING FAN
Disassembly:
——To disconnect the negative terminal of battery;
C-9
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