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Toyota Sienna Heating / Cooling

93 messages,  Last post on Nov 16, 2009 at 4:07 PM

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What is this discussion about? Toyota Sienna, Heating / Cooling, Van

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#87 of 93 Re: AC oil leak- 2002 Sienna [lunarmist] by ateixeira Jun 29, 2009 (8:32 am)
Replying to: lunarmist (Jun 28, 2009 6:38 am) Where is whats-his-name? He would know.   All I can recall is him saying the rear has an evaporator but not a seperate compressor.   Are you sure it was oil? Usually I only get water from the condensation there. Replies to this message: lunarmist (Jun 30, 2009 12:34 am)
#88 of 93 Re: AC oil leak- 2002 Sienna [ateixeira] by lunarmist Jun 30, 2009 (12:34 am)
Replying to: ateixeira (Jun 29, 2009 8:32 am) So far so good, I added a 16 oz container of all-in-one refrigerant and oil to the system and I'm getting very cold A/C from both the front and rear. Still would like to know if the oil leak has been experienced by anyone else?
#89 of 93 2000 sienna Blower works fine but no cold air by skevin Sep 07, 2009 (5:01 pm)
My 2000 Sienna AC worked fine for an 8 hour trip, next day no cold air. The AC push in switch lights up green, no flashing light to indicate an AC problem. My question is this, could I lose freon over night from a leak, and what types of problems would a flashing AC light be triggered by ie) no freon. In addition, how can I tell if my compressor is not engaging.
#90 of 93 ventilation on-off by nic11 Oct 29, 2009 (8:31 am)
I have a 2003 Sienna. Last weekend, the ventilation system made some strange sounds for a few minutes. After that when I drive fast enough I can feel the flow of air from outside coming in although the fan control is in the off position. I took it to the mechanic and he thinks that this is the normal the ventilation operates. But I don't remember the car letting the airflow in when the fan control was in off in the past. Can anybody please let me know if that's how it's supposed to be or not? Thanks! Replies to this message: wwest (Oct 30, 2009 8:54 am)
#91 of 93 Re: ventilation on-off [nic11] by wwest Oct 30, 2009 (8:54 am)
Replying to: nic11 (Oct 29, 2009 8:31 am) If you put the system in defrost/defog/demist mode the natural airflow due to forward speed will be minimized. I would recommend recirculate mode but some modern day systems will automatically switch back into fresh mode within ~2 minutes if the A/C is off.
#92 of 93 Re: '05 Sienna A/C quit working completely [kharding] by lee104 Nov 06, 2009 (7:32 am)
Replying to: kharding (Jul 09, 2008 8:09 am) Yes, This works. Thank you.
#93 of 93 Re: 2004 Sienna Rear Heat Issue [mafaust] by dr_jem Nov 16, 2009 (4:07 pm)
Replying to: mafaust (Mar 13, 2008 8:19 am) Hi mafaust, have you resolved this issue? I'm having the same issue with our 2008 sienna.

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