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Toyota Sienna Heating / Cooling

I bought a brand new 2005 Toyota Sienna and since then have nevered got any warm air to come through the rear vents. Only the front passenger and driver gets the heated air. The back rear get only cold air. Any suggestions. Thanks.
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Comments

  • Bring it in to the dealer - that should be coverred under the warranty.
  • I can't remember right off the top of my head, but isn't the warranty just for 10,000 miles? Thanks.
  • orguss1orguss1 Posts: 1
    my wife and i just got a certified used 2002 toyota sienna ce. when we turned on the heater for the back vents nothing comes out (just from under the front seats) when i took it to the toyota dealership the techs said (after 4 hours) that the rear climate control does not do heat in the back just a/c. now i questiond them why would there be a controll for heat if it's not supposed to work and they had no real answer. i feel i am being messed with so they dont have to fix it. i am hoping that there is someone that might have a correct answer sinse i don't have a manual to look it up. thank you.
  • taxesquiretaxesquire Posts: 681
    They are lying to you - heat works back there (or should!!!).

    Now, if you raise the temp and don't adjust the mode to come out of the vents, it will just come out of the floor. Try switching the mode to vent and raising the temp - if there's still nothing, then something needs to be fixed somewhere.
  • siennaacsiennaac Posts: 1
    I just had a terrible experience with Toyota, Our 2004 Sienna is 12 days past the 36 month warranty and has only 31K miles. Last week the AC quit working and the battery light came on. The belt had sheared. We took the vehicle to the Thousand Oaks Toyota Dealership, incidently where we bought the car and Frank, the service writer, told us that the compressor had seized and caused the belt to shear. The repair would be $1,900.00 but the bill could be higher since metal may have gotten into the hoses and the condenser. The bill is now at $3,000 and Toyota has refused to make any kind of adjustment. In fact, the Toyota company policy is that area representatives will not under any circumstances actually talk to a customer. We have owned several Toyotas and each one has had slightly poor quality. I suspect that this is a problem with a number of 2003 and 2004 vehicles. Is this another cover up like the sludge problems? Toyota has certainly damaged its reputation with this kind of behavior.
  • tcp2tcp2 Posts: 66
    The lower vents put out warm air and the upper vents put out cold(AC) air. There is a TSB issued by toyota, where if you complain about it, they can change a couple of heater control modules(behind the dash and in the rear) to make both warm and cold air come out of either vent system. The TSB # is AC001-06 and was put out on Jan 13, 2006.
  • wwestwwest Posts: 10,706
    News to me...

    If you select dash outlet airflow and high heat....
  • mleonardomleonardo Posts: 45
    I agree with you about Toyota quality. I think it has been slipping the past few years. Toyota is getting to be a very arrogant car company too. I have gotten nothing but the run around from them concerinig a few of the problems I have had with my 05 sienna.
  • wwestwwest Posts: 10,706
    I think what has been happening is that instead of raising prices inordinantly as they proposed a few years ago in order to give GM, Ford, & Chrysler a bigger share of the market they decided to "stumble" insofar as QA is concerned.

    But I'm not sure it's working.
  • mleonardomleonardo Posts: 45
    I don't think I understand your statement. Are you saying that Toyota is doing this on purpose?
  • wwestwwest Posts: 10,706
    Toyota first published a TSB regarding the engine/transaxle 1-2 second hesitation in the spring of 2003, and I have good reason to believe they first knew of it within a few months of the introduction of the RX300. The problem remains.....

    Toyota...
  • HI, Our AC- Compressor blew up about 5 weeks ago. The Toyota dealer/service has had our car for 5 weeks. They are having problems fixing the compressor. It is under warranty. When the compressor blew up it went all through the engine. They can't fix the problem. I was wondering what to do? Is there someone higher up to go to? Please help
    Thanks
    Sue
  • caravan2caravan2 Posts: 198
    "When the compressor blew up it went all through the engine."

    What does this means?

    Everything is fixable. What are they proposing?

    Did they give you a loaner? If so, I would just let them take there time. If not, then demand a loaner.
  • ateixeiraateixeira Posts: 72,587
    Inspect the engine bay closely when they're done, make sure they cleaned the area and that no damage was done by the refrigerant.
  • jamn_vajamn_va Posts: 2
    Starting last year somepoint, my Sienna developed a rather odd A/C problem.

    Whenever I turn on the A/C for the first time after the car has set for a few hours or overnight, the A/C for about 5 min smells awful. The best I can describe it as is a musty gym-sock. It does not have any sulfouros / rotten-egg smell, but more of just a sweaty, musty old gym-sock.

    The smell goes away completely after opening the windows and letting the A/C run for about 5 min, but it is an eye watering / almost gaging 5 min if you leave the windows up. It is also embarrising to say the least when you have guests in your car.

    It does not matter wheather the A/C is on recirculate or fresh air, the first few min are always funky, but it does always clear up. After the smell goes away and I turn off the car, if I return within an hour or so, it does not smell when turning it back on, only when left off for a few hours or more.

    Ideas??? Thanks!
  • wwestwwest Posts: 10,706
    You need an EED from airsept.com
  • ateixeiraateixeira Posts: 72,587
    I would try Lysol at the intake point in the cowl, and maybe some baking soda (not sure where it would go, but it should help absord the odor).
  • talledorstalledors Posts: 1
    When I switche on the A/C i heard a unusual noise - sounds real bad, my suspect it might be in the compressor area. Does anybody have this problem? please advice.
  • hi ! just bought a sienna last july 2007, everything was doing good until last thanksgiving when we went to vegas, on the way there the air circulation button keeps on switching off (lights off and lets the air outside get into the cabin) like every 3 to 5 minutes. i switched off the AC (no blower fan in the front and at the back) but still the switch turns off. this went on for the next 4 days in vegas, tried different settings in temperature, etc.......now here's the weird part...on my way back to LA, about half way through the trip, everything was back to normal.

    is there something here that i'm missing? like altitude or humidity effects on the climate control? i wanted to bring it to the dealership but at the moment there's isnt anything wrong with it...any inputs would be greatly appreciated.
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