Date:         Thu, 7 Jan 2010 13:05:07 -0500
Reply-To:     Edward Maglott <emaglott3@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Edward Maglott <emaglott3@GMAIL.COM>
Subject:      Re: No heat at stoplights.
In-Reply-To:  <85BF4B4A-8AB9-4D44-B285-B498BCDE84AB@telus.net>
Content-Type: text/plain; charset=ISO-8859-1

I believe the Thermostat in closed position sends all flow to the heater
cores.  That's why water cooled VWs have been famous for their great heat.
Edward


On Wed, Jan 6, 2010 at 2:26 PM, Don Spence <dkspence@telus.net> wrote:

> Thermostat is highly unlikely. It's function is to close and curtail
> circulation within the engine until operating temperature is reached
> then slowly open to permit circulation to the cooling/cabin heating
> system.  If it fails closed, the engine overheats and will be
> apparent on your temp gauge which has it's sender in the thermostat
> housing. If it fails open it slows the engine coolants rise to
> operatingt temp.
>
> Your situation is one of circulation (as in little circulation at low
> rpm) not temperature as regulated by the thermostat.
>
>
> On 6-Jan-10, at 11:42 AM, Automatic digest processor wrote:
>
>  Date:    Wed, 6 Jan 2010 13:19:35 -0500
>> From:    David Prendergast <dprendergast@TRIAD.RR.COM>
>>
>> Subject: Re: No heat at stoplights.
>>
>> The coolant bottle is full with no leaks anywhere, someone earlier
>> said it may be the thermostat and the symptoms do match (thermo is
>> about 4 years old).  It blows hot out of both rear and front heaters
>> until I stop at a light then it blows cold.  Not really a big deal
>> since the weather is relatively mild here in central North Carolina.
>>
>