Prius (2004-09) :: A/C Vents On Driver Side Dash Suddenly Giving No Air At All
May 21, 2010
The right hand A/C vent on the driver's side dash is suddenly giving me no air at all. The other 3 in front blow cool air just fine. How to check this out? (I did just check out the cabin filter in case it had something to do with a block there). I don't know where to look. This is a new problem for my 2007 Prius.
The A/C for the rear passengers has always been very weak. Do others find this to be true also? I keep thinking that extending the air outlets under the seats somehow might work.
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My car: 2008 Prius (base)
Here is the problem: All of a sudden the two middle vents in the dash stopped blowing. I have played with the settings - on, off, all the way hot, all the way cold - nothing from the two mid vents. The left and right vent blow with no problem. There is also cold air coming from the vent near the windshield - just the two middle dash vents are not functioning.
What I have done so far: I had it looked at by a mechanic who I trust. He said there is a small motor (he called it a servo motor) that controls that middle vents (open/close). He said that had gone bad. He manipulated it so that the air blows out of the vents now and said not to change any settings until I am ready to replace the part.
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Just started experiencing an AC problem. First started with diminished cooling and airflow. Checked the filter and it was dirty, so replaced it. Airflow is completely restored however the air from the drivers side vents is significantly warmer than the passenger side vents.
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Vehicle - 2005 Suburban LS, 5.3L V8; manual slide temp controls, separate controls for driver and passenger sides.Issue - In winter drive side vents will suddenly switch from blowing hot air to cold air. Just the opposite happens in the summer with drive side vents suddenly switching for blowing cold air to hot. Interestingly the passenger side vents operate normally. Sometimes if I stop and restart the vehicle the system will start working properly again but this does not always work.
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I am the original owner of a 2008 Prius, and am familiar with the various noises that the car likes to make. However, a new clicking noise has started recently, and need to identify the source/cause, so I can (hopefully) repair it myself, or have it repaired cost effectively.
I have attached a pic of what I think is the source of the noise.
This pic is looking upwards under the dash, above the brake pedal. In the center of the pic is a white thingamajig. This thing is attached to a motor on the right side (to the right of what I think is a yellow bearing or washer), and the other end is attached to a darker gray arm. When the climate control makes an adjustment, the motor turns, the white plastic piece turns, and the arm moves. What appears to happen is that sometimes, the motor continues to operate when it shouldn't, and these plastic pieces all kind of move around, clicking.
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This is a true scratching sound...not a buzz or a whine or a squeak. I hear it mainly when the car hasn't been driven for several hours, and it is a constant sound (not intermittent). When I cut the power off, the sound stops immediately. It also eventually stops if I drive long enough (say 30 minutes to an hour). It seems to be coming from the driver's side dash, but I suppose it could be coming from some component under the hood on the driver's side. Of course, my service department is over an hour away and the sound has stopped by the time I get there. They did check for any signs of rodents, but everything was clean. But as I said, the sound stops as soon as the power is cut.
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I have a 2004 Chevy Venture and the blower (Vent, AC, Heater, doesn't matter) is only blowing air out of the left or driver side of the van, nothing on the passenger side vents. There aren't 2 blower motors, are there? Is a door shut that shouldn't be? This van doesn't have dual climate control like my GM cars do. The rear controls work fine for the 2nd row passengers. Again, not tied to any blower speed or heat vs. AC. Same regardless. Nothing on the passenger side.
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My 2004 Mazda3 is having an air conditioner issue. The driver side air vents blow hot air, but the passenger side air vents blow cool air (not as cool as I think it should be, just cooler than the hot side.) We had issues with it last summer that were repaired and freon was added at that time.
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Had a few warm days last week and noticed a lack of cooling from the HVAC system. Local temps cooled off a bit but I decided to see what I could find out before I got hot again.
Started playing with the system in the driveway and discovered good cooling capacity on the passenger side but just mildly cool air coming out of the drivers side vents. This seemed to be true on both the front and back. I hooked by laptop up and noticed single digit temps at the evaporator. When I brought the temps down on the climate control the right side exchanger would get down to around 12C but the Left would struggle to get to 22C and if I moved the passenger side requested temp up the drivers side exchanger temp would follow even though the requested temp on the drivers side was low. There was a display for the Left and Right regulating valves but they seemed parked at 0.0 unless I made a cabin temp change.
I am guessing the left regulating valve is the problem but know nothing of how this system works. 2004 Phaeton V8 ....
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The A/C on my 2004 Accord has started blowing warm air out of the 2 driver side vents, but still blows cold air out of the 2 passenger side vents. It also occasionally blows condensation out of the 2 cold passenger vents. When this same thing happened last summer, the condenser and compressor were replaced within 3 weeks of each other. It is less than a year later and the same problem is occurring. Even more odd; every once in a while the 2 driver side vents will blow cold for just a few minutes, then revert to blowing warm air. The car does not have dual climate controls.
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I have a ES350 and it is doing the issue of having warm air (or not cooled air) on the driver side, but has cold air on the passenger side. I looked around and saw it was a common problem. One of the solutions I read was to just refill the system with R134A. Not a problem for me, except I don't know where the low pressure port is located in my car. I was trying to find a online service repair manual on my car to locate where I need to connect to, to recharge the system.
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My ex-wife has a 2008 Prius. When trying to get heat, either using Auto A/C or manual, the display panel shows that only the floor vents are open. However, forced air is flowing from the upper vents on the dash. The air from these vents is not warmed. It seems to be unheated outside air. It's unclear whether this is a new problem, since the owner doesn't know if this behavior has been there since she bought the car. She does report that the car has always taken a long time to get comfortable in winter.
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For many months now, I've heard what sounds like some kind of pumping noise. This happens after starting the car and may go from brief to a few minutes. Seems to happen after every cold start and often even when warmed up. Some starts are soundless. I only recently discovered that it's coming from under the hood beneath the relay/fuse box. I can't see where it seems to be coming from.
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So I was riding with no music on--had family in from out of town--and noticed a strange noise coming from behind the dash on the driver's side. Hard to describe but almost a liquid-type noise (although not a liquid) and repetitive. Doesn't happen all of the time but happens frequently. Not loud enough to hear over music or even road noise on a highway.
Almost a swoosh, swoosh with sort of clicking. Wish I could describe it better.
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My Hundai Azera 2009, was blowing heat on both side of a "dual system" during the cold months. Now that its warm weather when I turn on the A/C it blows cold on driver side vents , but hot air on passenger side. What do I need to correct this.
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History - So my A/C was going out about 6 months ago. It would come in and out with cold air until eventually it just stopped all cold air and was only hot. Then the control knobs broke. I took it in and they told me I had to replace the control unit and that would fix all the issues. Well I got it back and the A/C was still blowing hot air (even though the knobs were now working).
So I took it back in and they said they couldn't find anything wrong and it must be this hairline crack that was leaking freon. they said they couldn't find the crack but loaded it up with freon and said i would have to 'wait it out' could be years could be a few weeks, they just didn't know. well, it worked for awhile but here i am in 102 degree heat and when I turn on the A/C in the really hot car the passenger side quickly blows cold air and the driver side takes about 20 minutes before it finally gets cold. What gives? I do not have dual temperature controls.
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I have a 2004 FX4 and have a very annoying rattle up in the driver's side dash area near the windshield. This happens every time it gets to be winter. The odd thing is, that it will sometimes go away but when I hit an uneven surface such as a railroad crossing, I hear a loud "pop" near that area. Then it will rattle non stop. I don't know if it is the wiper cowling area or what? IMO Ford's design of that area is crap.
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I have an 09 Limited with the dual automatic climate control. It finally got cool enough to start running the heater. The passenger side vents are throwing cold air instead of warm like the drivers side. This includes the windshield defroster. I'm thinking there is a diverter "somewhere" that is not working properly.
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I seem to be having an issue with my air conditioning. I don't think it's an ID-10T error, but it is very peculiar.
My driver side vents blow hot or lukewarm air, however my passenger vents are ice cold. I have the 15 limited, so it does have the "dual" control, and as such I think the issue may be related to that.
Both controls are set to low, max fan, head only, and AC. The "Sync" and "Auto" buttons have no effect.
Any things I can check? I really do not want to bring it into the dealer as they treated me very poorly the last time I came in and my car was out for a month.
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2004 Prius. When the brakes are applied, the passenger side brake light (LEDs) is dim compared to the driver side. Are the LEDs just dying a slow death? I always thought LEDs either work or don't.
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My 2006 Prius (Model NHW20) has a strange headlight problem. On the passenger side, the high beam light is out but the regular headlight works.
On the driver side, the high beam is working but the regular headlight is out.
I don't think it's the fuses but I'm not sure. No amount of interchanging the following fuses changes anything about the issue:
1. 10A H-LP HI RH
2. 10A H-LP HI LH
3. 15A H-LP LO RH
4. 15A H-LP LO LH
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