1998 Astro van dash temp.control sometimes does not work.It stays stuck on full heat or full cold at any setting.Air selection control works(defrost-floor-vent)and blower works fine.Thermostat has been replaced and water temp.checked and is o.k.
1998 Astro van dash temp.control sometimes does not work.It stays stuck on full heat or full cold at any setting.Air selection control works(defrost-floor-vent)and blower works fine.Thermostat has been replaced and water temp.checked and is o.k.