In-car fumes

Huw Powell audi at
Thu Feb 7 21:08:56 PST 2008

Louis-Alain Richard wrote:

> If it is the heater core, then, a few hours after the car is stopped, the
> pressure in the overflow tank should be nil. You can put your hand on the
> top rad hose (engine cooled) and feel if it is still pressurized, and then
> open the reservoir cap to hear if there is still pressure in there.

Wouldn't there be no pressure in the cooling system once it is cold 
anyway?  IE, even if there are no leaks?

Huw Powell

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