>> Its mechanical. The coolant in the block reaches around 95deg C. The thermostat is immersed
>> in that coolant and it should open automatically allowing the stgnant coolant to now circulate.
>> Hence the sudden rush of coolant in the top of the radiator.
I was asking carmalade, who stated:
The thermostat on these sits in the engine block at the front , behind the plastic housing . It is in the return flow from the rad to the engine.
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