1999 Dodge Durango "defrost heater working" Questions

defrost the bottom heater stays on and blows cold air. when i have front dash and defrost on it blows hot but again the heater below blows cold? It sounds like you have a blend air door stuck. This is

...Defrost mode! The heater won't switch to defrost mode. It works on all but defrost Vacuum diaphram that works the defrost has gotten a hole in it, or the vacuum hose going to it has come off. Find ...

heater or defrost. What could it be and what do I do? If it smells like antifreeze, and leaves a film on windshield, it's probably a leaking heater core, but if not, your drain tube/passage for heater

...heater worked great now much cooloer and only from floor and defrost, not dash vents Easy fix you will need some vaccine line ..the blend door works off vaccume the vac line runs off the intake and ...

...heater controls. The directional controls won't work. All of the air comes through the dash vents and won't switch to the floor or the defrost vents. if it works off vaccum you have a vaccum ...

2001durango vent only blows air through face vent and defroster. 2001 dodge durango vent will only blow air through face vent and defroster, will not work when set in to underdash position. the vent ...

blower stuck on defrost only air only works on defrost only it could be a bad switch or a bad vacuum hose, or the door in the heater box is jambed.

my defroster on the front windshield does not work. The heater and air conditioner works fine, but there is no air blowing out of the upper vents next to the windshield. sounds like the heater door ...

...defrost what do i need to check ?? Vacuum problem or latch may be broken n door. Check for the reason your blend- door isn't working. could be stuck or a fuse or the switch that operates the air ...

...defrost on dodge durango not working I'd check the most obvious culprits first. IE: a fuse, the rear defroster switch. If both of those are good use a continuity tester (included with most ...