Getting hotter (or getting closer to cold)

[Stephen Bigelow]

----- Original Message -----
From: Huw Powell <human747 at attbi.com>
> The air gets "cool" on hot days and pretty cold in the mornings (but not
frigid).
> How can I check the operation of the heater valve?

>You
>can also pull off one of the hoses and look inside it to make sure it is
>closed, of course that will be a little messy, do it with the engine
>cold, too, or it will be hot and messy.


Older ones can leak internally. New ones are air tight.