Garrett8 Posted July 28, 2004 Report Share Posted July 28, 2004 air comes out cold through the defroster and such just no air comes out through the vents even when i use the heat no air from vents i have a 92 z34 auto so what gives Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted July 29, 2004 Report Share Posted July 29, 2004 a vacum problem Quote Link to comment Share on other sites More sharing options...
digitaloutsider Posted July 29, 2004 Report Share Posted July 29, 2004 Vacuum issue. Change the control valve located under the cruise control module. Quote Link to comment Share on other sites More sharing options...
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