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Sedans Toyota Camry Toyota Camry AC Questions
78 messages, Last post on Oct 19, 2009 at 4:45 PM
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Replying to: 210delray (May 28, 2009 8:09 am) I then went to a dealership sales manager who was involved in my sale, and he stated that he noticed something like that in his 2010 demo but that is as far as he could tell me, either. You would think that he or the service people would know a definitive answer but the best I have received so far is your suggestion that maybe there was an A/C design change. I guess I will have to investigate further. If anyone else knows the definitive answer, I would definitely appreciate it. Thanks again 210delray for pointing me in a direction. |
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Replying to: wwest (May 28, 2009 8:23 am) As I mentioned, I just came back from the dealer, and they responded there was nothing wrong but obviously did not or could not respond in the detailed manner that you undertook. That being said, the manual suggests for MAX A/C turn the center dial to MAX A/C and then the left dial to HI. Recirc mode will automatically activate in this mode. If I understand you, your suggestion in my case would be to try and move the center dial up one knotch from MAX, and put the fan at MAX while leaving the windows open for awhile to expel the hot air. Again thanks to all of you so far for the suggestions and help. I do appreciate it, |
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Replying to: searchlight7 (May 27, 2009 7:58 pm) I haven't noticed the delay you refer to, nor have I taken it to the dealer. (I don't think they could diagnose a flat tire, much less an AC problem). I checked the cabin air filter, was OK. It seems strange that there would be that much difference between these model years.
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Replying to: frb263 (Jun 03, 2009 9:33 am) To get maximum, QUICK, cabin cooldown if you have the automatic system the best procedure is to turn the system to the lowest temperatrue setting, the blower should automatically go to MAX speed, over-ride or leave the airflow mode in FRESH for long enough to EXHAUST the HOT cabin atmosphere and then switch the system to recirculate to increase the AC efficiency. Once the cabin atmosphere and surfaces are cooled down then lower the blower speed to a more comfortable sound level. If you want to REALLY improve AC efficiency then go to Home Depot and buy/install a water flow shutoff valve to insert in the hose to the heater core. The A/C can then be left to its own "devices" since the reheat/remix mode is now non-functional. FE will also improve a bit if you use these procedures. |
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Yesterday, after driving about 10 miles on the highway (long enough for the AC to cool down), I noticed that the AC air blowing out of the front center-right vent (next to the center console) and front right side vent (next to the right front door) was blowing at the normal chilled AC temp of 38 degrees, BUT the air blowing out of the front center-left vent (next to the center console) and the front left side vent (next to the left front door) was luke warm (65 degrees). The two rear passenger vents (located between the lower backs of the two front seats) were also blowing luke warm air. Normally (for the past 6 years), all vents have blown chilled air of 38 degrees. There are no controls for separate right and left passenger temperature and there are no separate air temperature and fan speed control knobs. You set the desired cabin temperature with a climate control thermostat (like a home thermostat). The climate control seems to be working okay with regard to the air blowing out of the left-center and right side vents. Any ideas on what the problem may be and how to fix it, short of taking the car to the dealer? Thanks.
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Replying to: mv52 (Jul 27, 2009 11:26 am) There are quite a bit of pieces to this control. There is a computer that manages this, which is also connected to the main engine computer. There are sensors like: thermister, room temp sensor, solar sensor, and outside ambient temp sensor. There are also a number of servo motors (think of an automated electrical door), controlled by the computer, to adjust air inlet, air mix, air vent,etc. I might originally suspect the air vent servo (air vent opened when it shouldn't have), but with only one failing condition at this point....I'd suggest monitoring it closely to see if you can identify different symptoms. Good luck.
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Replying to: mv52 (Jul 27, 2009 11:26 am) Oh, you might try covering the solar radiation sensors with some object to see if that's what's modifying the right/left cooling. The fact that you cannot select separate right/left cooling effects does not mean the system cannot do it automatically. |
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Replying to: kiawah (Jul 27, 2009 1:46 pm) When I turn the thermostat up (higher temp.), all vents open and close correctly and the warmed air temp. from all vents is 130 degrees--which is right on the mark. So it looks more like an AC problem. One of the first things I plan on checking is the refrigerant level.
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Replying to: mv52 (Jul 28, 2009 3:11 am) My friend said that he has seen the same left vent hot air--right vent cool air problem on 2 BMW's, 1 Toyota, and 1 Bronco this year-and all were low on refrigerant. Intuitively, one would think it's a vent damper problem if 2 of 6 vents are blowing ice cold air and the other 4 vents are blowing warm air. Interesting, isn't it? |
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