2000 Toyota Sienna "air car blow front vents" Questions

I have a 2000 Toyota Sienna XLE. The front vents blow hot air when the heater is on but the rear vents blow cold air. What could be the problem? Don't know where to start its a toyota. enough said

...air. Also the heat coming out the front vents is not as hot as it once was. Engine temp is normal. Possible that heatcore is going or hose from heater is leaking or falling off. You can go to ...

...air, now the back ac works, not thenthe front because he saidnhe couldn't fix it without a lumo sum of money pour in, so he decided to close the vent to prevent it from blowing hot air and fix the ...

...when vehicle is warm back vents still blow cold air THANK HAROLD 612-382-1968 Hello according the the manual, the back vent are to blew cold air only..the fronts vents are suppose to the entire

...serviced it is just that it seems the air blowing out of the front vents isn't blowing as hard as it should...but the back vents will blow your hat off! maybe blower motor for front is getting ...

...when the heater is on hot air only blows out of the rear vents. Cold air still blows from the front vents. you have a vacuum leak in the selector switch for front heat explorers had similar ...

...blow air out of the front vents. When placed in defrost mode it actually blows out of the rear vents on the floor. When placed on front vent mode I can hear the air blowing but it isn't coming out of ...

...air vents blow heat but the rear air vents are blowing cold. I have adjusted every setting is there something I am overlooking. When I turn on the heat in my 2004 mazda mpv the front air vents blow ...

...blow cold air while in heating mode the front vents put out heat but at the same time the rear vents are putting out cold air. are you talking about the overhead vents? They only recirculate air ...

...blow cold air in the front I would like to know why my Heater blows cold air in the front vents and warm air in the rear vents. I need heat. its the blend door behind the glove box. I had the same ...