heat not working,blowing moter works it changes from one heater tpye to another by its self,from deforst to front vent blows out cold air not heat?
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1998 Oldsmobile Bravada Question: heating not working
Answer #1Bret Bodas from RepairPal Test Shop, February 24, 2010, 19:46Master
Check this out, it might help: http://repairpal.com/i-have-no-heat-what-could-be-wrong
Visitor, March 04, 2010, 06:44
I just replaced mine. I had to take the dash apart and on the passenger side by the heater core is a small switch that cost around $180. It sounds worse than what it is, you need to pull the dash up and back, just far enough to get in to it. It's held in by 3 screws and a plug located by the heater core. Tear apart/replace/and put back together was around 2hours. DON'T waste your $$$ on a new control panel like I did.