There is vacuum valve in the heater hose near the firewall on the passenger
side. It is activated by a small vacuum switch that is mounted on the heater
box. If you look under the dash in the passenger foot well you will see a
small vacuum switch , It is switched on by the heater lever when you go in
heat. You could have a vacuum hose off and not know it unless you drive in
the winter.
Rick R
On 7/18/05 11:11:26 PM, glcurley@aol.com wrote:
> What could cause the heater to not work? I don't want to freeze on the
trip
> to the Great White North next week. Just kidding. Actually, I want to
flush
> the cooling system and make sure the heater core gets
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