HVAC Temperature Valve/Select Valve Operation [message #77274] |
Fri, 19 March 2010 18:58 |
larry.whisler
Messages: 356 Registered: August 2005
Karma:
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I have the dash partially apart and am trying to confirm the operation of the HVAC/defroster system.
I am having a problem with checking the heater/vent valve that is located under driver's side dash.
The slave vacuum module (for lack of a better term} closes when vacuum is applied to the module, as I think it should.
Is this correct?
Well, if this is the case, what opens the valve? Only way I can open this opens is when I manually open with my fingers after the vacuum has done it's job.
larry.whisler
76glenbrook
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