Engine Coolant Temperature Gauge question

[Huw Powell]

> What is the direction of the coolant circulation flow?
> I would think the flow would be in the direction of natural convection 
> flow - hot water rises in the engine and cooling water sinks in the 
> radiator.
> Engine -->top hose --> radiator ---> bottom hose --> engine.

I think I made this accurately:

http://www.humanspeakers.com/cgi-bin/audi_img.pl?image=/images/cooling-flow.gif

> If so, then the temperature measurement at the upper hose would be 
> within a few degrees of the coolant temp in the engine. Thats close 
> enough for government work.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/