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Hatchbacks Mazda3 Mazda3 Climate Control Questions
155 messages, Last post on Sep 24, 2009 at 7:30 AM
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I live in the desert & in the summer it gets 100+ (but its a dry heat) & when I use the AC is it best to keep the vents open (with it being so hot outside) or to use the recirculate? With my old car, I always kept on recirculate & mildew(?) built up & made the air system stink... Thanks in advance!
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Replying to: mazdrvr (Apr 28, 2007 6:39 pm) To prevent or minimize mildew, just shut off your A/C, keep the airflow on and vents open for the last 10 minutes of your drive. However, the mildew smell has never been an issue with any of the 3's I have driven. I cant say that about other cars though.
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Replying to: ex_tdier (Apr 29, 2007 11:44 am)  I just wasn't sure because when I had my 01' Protege (the old car) and I went my service advisor about it he told me to keep the vents open... Recently, we have been using the a/c a little and if I have on recirculate then later in the dday when the weather cools off and just recirc the air w/o the a/c it kinda of stinks so thats why I was wondering...
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Replying to: mazdrvr (Apr 29, 2007 1:42 pm) To avoid the musty smell, you want to keep the air flowing. So, never turn the fan off (in other words keep it at 1 or higher). As mentioned, to avoid the smell, let the condensation developed by the AC dry off and not accumulate and start creating mold. Running the fan does this. Over the years, there is a greater chance to have mold, so you may want to have someone "clean" the system eventually. |
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Replying to: ex_tdier (Nov 06, 2006 10:56 pm)
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Replying to: stallionre (May 05, 2007 2:23 pm) yeah, that's where it is, in the same area as the rain sensors (for the wipers).
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Replying to: ex_tdier (May 06, 2007 12:08 pm) |
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I have a 2007 Mazda3 S and whenever I turn the heat on or the a/c on, I can hear something like a compressor turn on. It rattles and hums for a few seconds and then turns off. This cycle repeats itself over and over every few seconds as long as the air is flowing. If I turn the knob back to zero (effectively stopping the heat from flowing) the sound stops. Is this the compressor? and if so, should it be running when the heat is on? Thanks 
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Replying to: rcwitty (Oct 26, 2007 9:47 am) In most new cars, the AC compressor is on when you're on the defrost setting. You didn't mention whethere or not this is happening on defrost, so I thought I'd ask. The fact that it cylces on and off doesn't sound right. I get the start up noise of the compressor when I first start up my heating/cooling system, but just that first time, not over and over again. That part sounds like you might want to have your service guy check it out. It might turn out that all this is normal, or they will say it's normal and you just happen to be focused on it. Any 3 owners out there experiencing something similar? |
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Replying to: rcwitty (Oct 26, 2007 9:47 am)
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