[Supras] Heater issue

[partialresponse at comcast.net]

Check that coolant-control valve on the firewall. It controls coolant entry into the heater core in the car. That valve is known to fail quite often.

- Kofi
ex 86.5NA

-------------- Original message -------------- 
From: Kurt <kurt_20120 at yahoo.com> 

> Hi, 
> I recently noticed that after having the heat on at maximum for about 
> 30 minutes this morning (85 degrees), if I cut it back even just 1 NOTCH to 
> 84, it got completely cool. Why did 1 degree make so much difference?? 
> 
> Thanks, 
> Kurt 
> 
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