What would cause no defrost when heater works Fine
9 Answers
Vacume module under dash at blower vent assembly,check for vacume leaks,if none are found,may be switch module in control panel is bad.
http://www.gmpartsonline.net/parts/1995/Chevrolet/Beretta/Z26/?siteid=215055&vehicleid=182276§ion=HVAC
Ty so much we will check that, is there more than one?
I put that link in a seperate window ti make it easy to hyperlink, TST is spot-on but there are several diagrams there to show you what is happening , example (click for full screen)
Hubby tore it apart and says there is more than one do you know where I can find a diagram that shows that part?
We found the one vacuum line located behind the glove box it wasn't that, he says there is more than one according to chiltons
Same diagram but can't get behind the module to see ty for helping
He thinks he figured it out ty sooooo very very much, really appreciate the help :)