Quote:
Originally Posted by paulh260260
With regard to the thermos, the top hose is very hot doesn't that suggest the thermos is opening?
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The thermostat isn't where you expect it to be Paul. It controls the flow from the bottom of the radiator back to the engine. The top radiator hose is fed continuously from the cylinder head via the curved plastic pipe. So the answer to your question is no.
Your next task is to find out why there's no (or inadequate) flow through the radiator. There's no point in flushing it if the cause turns out to be a faulty thermostat.
Simon