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Toyota Avalon Climate Control Questions

193 messages,  Last post on Oct 08, 2009 at 5:22 PM

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What is this discussion about? Toyota Avalon, Heating / Cooling, Sedan

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#134 of 193 r12 or r134 by steve326a Sep 06, 2006 (9:21 pm)
To those who wonder if they have r12 or 134, a way to tell is to look at the hookup point on the low pressure side that you use to recharge it with. The newer r134 is a larger diameter fitting which you push the recharge or gauge hose onto by squeezing the lock ring up then slide it in and release. The older r12 has a screw on fitting just slightly larger than the valve stem on your tires. Sometimes you can spot r12-134 fitting adaptors that were installed if your car ac was converted to r134.   Steve Replies to this message: captain2 (Sep 07, 2006 12:14 pm)
#135 of 193 Re: r12 or r134 [steve326a] by captain2 Sep 07, 2006 (12:14 pm)
Replying to: steve326a (Sep 06, 2006 9:21 pm) use of r12 for anything has been outlawed since the 90's - car a/c systems are almost universally r134 for quite some time now. System conversion on older cars is also federally mandated.
#136 of 193 98 avalon xls intermitingly blower fan is lost no out put by joecass Dec 02, 2006 (10:45 pm)
intermitingly the blower fan goes out and also the outside are temp. display gose out on instrument cluster at the same time. i was thinking of replacing the heating and air conditioner do to the fact that the outside are temp. desplay gose out. what do you guys think? Replies to this message: mickyj (Dec 13, 2006 3:57 pm)
#137 of 193 Re: 98 avalon xls intermitingly blower fan is lost no out put [joecass] by mickyj Dec 13, 2006 (3:57 pm)
Replying to: joecass (Dec 02, 2006 10:45 pm) Just had the same problem. Lights on the buttons worked but no blower,a/c,outside temp display. Left it at the dealer because nobody else would touch it. He said it was a servo?..and an amplifier??. $830.00!!! wont work with out it. Ofcourse it's December, so whatam I suppose to do?
#138 of 193 Help: Need to Relace 98 Avalon Condenser by fun2drive2 Dec 13, 2006 (6:35 pm)
I am pretty handy mechanically and I need to change the condenser (of course the dryer too once I get the condenser installed)out because of a leak. Can someone direct me to how I do this? I have looked at the car multiple times to see how to extract the condenser. Any help as to how to do this or what shop manual is best to detail this? I usually work on BMWs and Bentley is the best BMW manual but have no clue about this Toyota... Thanks
#139 of 193 Passenger Seat Heater Cycles on/off by dedat Dec 05, 2006 (9:29 am)
Have an 07 Avalon that been back to dealer 3-4 times because when the AC is on the passenger seat heater cycles on and off. Any ideas? Dealer has traced wires checked sensors etc. and appears to be fixed at the dealership until it arrives home Replies to this message: mitch1947 (Feb 07, 2007 8:57 pm)
#140 of 193 Re: Passenger Seat Heater Cycles on/off [dedat] by mitch1947 Feb 07, 2007 (8:57 pm)
Replying to: dedat (Dec 05, 2006 9:29 am) i just purchased a new 2007 Avalon two weeks ago and now the driver's seat heater appears to always be on even though the switch says it's off. Have they found a fix for your problem yet? My other problem is the automatic rain sensor doesn't work properly.
#141 of 193 Recirculate air in a/c mode by iamknott May 25, 2007 (5:30 pm)
I purchased my 2007 XLS in late March. Now that we are finally getting some hot and humid days, I notice that when I turn on the a/c, the climate control automatically goes to recirculate mode until the car cools down. This is the first car I've had (including other Toyotas) that did this. In the past, I've always had to choose recirculate and I'd like to retain that pattern. Is this something that can be programmed out of the Avalon? You might wonder why it bothers me. My car sits outside all day with the windows closed. So, when I get in, the air temperature inside the car is higher than it is outside. Therefore, the a/c is trying to cool hotter air than it has to and I believe that it actually takes longer to cool down the car. Replies to this message: wwest (May 26, 2007 4:25 am)
#142 of 193 Re: Recirculate air in a/c mode [iamknott] by wwest May 26, 2007 (4:25 am)
Replying to: iamknott (May 25, 2007 5:30 pm) Yes, there is a c-best option (FINALLY...!!!) that the dealer can set that alleviates this problem. You may note that in your owners manual they advise you to drive for the first few miles to "flush" the passenger cabin of HOT air in this instance.   I have never understood this recirculate "feature". Adverse, WRONG, thinking insofar as I'm concerned.
#143 of 193 Heating and Cooling problem in 2001 Avalon XLS by mashoud Sep 19, 2007 (9:59 am)
Have a very frustrating problem with heating in a 2001 XLS with automatic climate control (selective for driver and passenger). As far as I am concerned, this is nothing but a headache and much prefer the manual system for reasons of simplicity.   The problem is in the HEATING aspect. When you require heat, only the driver side vents throw out heat and very faint heat on the floor level. The passenger side simply freezes..just cold air both on the feet and vents. The problem is, you cannot shut off the vents on the passenger side either and so the car is heating on the driver side and cooling on the passenger side. We have to carry blankets to cover up and stay thawed for the passenger. Went to Toyota dealership and they say that some vent is just dangling in the heatt/cool unit under the dash and the whole unit(RADIATOR part no 87050-07111) will have to be changed. The unit costs $2381.90 cdn. and labour added, will cost $3214.35 cdn. For a 6 year old car, this kind of thing should never happen. Never a problem in my Audi or my Saab. Anyone out there with a similar problem and any diagnosis, please share your genius.!!!???? Yoyota should be ashamed...

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