You got it backwards.  The heater circuit bypasses the thermostat.  If the
thermostat runs wide open, the coolant never gets warm enough.

Karl Wolz

----- Original Message -----
From: "Alan Bosch" <arbosch@RA.ROCKWELL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, February 05, 2001 10:02 AM
Subject: Re: Bus Running Cool - Cooling System Question

> Kerry wrote...
> <<<snip>>>If you feel you are getting front heat as you've usually gotten,
> I suspect the temperature sender.<<<snip>>>
>
> In this case, heat from the front heater is nowhere near what I usually
> get.  Seems like the t-stat opens very little, if at all.
>
> Alan Bosch
> & Phred ('88 Wolfsburg)