2.6.2. Thermostat check
Fig. 2.29. An arrangement of bolts and a casing of fastening of the thermostat (1)
Remove the thermostat from the car (fig. 2.29
Be convinced that a spring of the valve of the thermostat at full opening of the thermostat. Otherwise replace the thermostat.
To check up working capacity of the thermostat it is possible so: suspend it on a thread in the glass vessel filled with water, and heat up water to boiling. For water temperature measurement use the thermometer. The thermostat should start to open at 82 ° With and completely to open at 95 ° With. Otherwise replace it.
At cooling the thermostat should be closed completely at 80 ° by S.Termostat which valve is not closed at water cooling, also is subject to replacement.
The full speed of a rod of the valve should be equal 8 mm.