Questions about Air conditioning systems - other Heating and ventilation questions should use 'hvac'

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1answer
57 views

2003 Nissan Frontier pick up 4 cylinder

When I turn AC on engine surges up and down. Why and what is wrong. Have changed all belts, and replaced tensioner for AC.
5
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0answers
511 views

What causes more gas consumption - Idling with AC or Heat? [duplicate]

So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
3
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1answer
266 views

After replacing A/C Schrader valve and O-Ring, Do I need just refrigerant?

It looks like I lost all of the refrigerant due to a leaky schrader valve and O-ring. The A/C stopped cooling a few months ago, but I just got around to tracking down the problem. Do I need to flush ...
3
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1answer
2k views

Can you use a vacuum pump on a charged A/C System?

I have a vehicle that is not currently running from which I am pulling the engine. To do so, I need to remove the A/C compressor and condensor, but it is currently charged. I have borrowed an A/C ...
5
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2answers
124 views

How can I determine my HVAC layout?

Answers to Why does my A/C blow foul smelling air when it first turns on? suggest several fixes that depend on knowing where in the car they are located. I can't determine in any of my cars where the ...
4
votes
3answers
479 views

Is it dangerous not having air conditioning cabin filter?

I'v got a Hyundai Accent 2005, recently I removed the ac filter because it was too dirty and the air didn't feell well but I couldn't buy it because of work, I have 6 days without the ac filter and I ...
3
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0answers
64 views

2010 Volvo S80 - Cabin HVAC system schematics

Something in my sedan's cabin air system smells bad (organic bad, not mechanical bad), even after changing the cabin air filter. I have a bore scope, vacuum, compressor, and hoses sufficient that I ...
4
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1answer
75 views

2002 Ford Escape creaky steering (correlates to AC)?

2002 Ford Escape 3.0 XLT, 87,000 miles. Just started getting hot here so I've started using the AC, and consequently noticed the steering gets creaky like a rusty door. Off and on though, comes ...
2
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2answers
96 views

A foul odor inside vehicle, like something is dead inside vehicle (Toyota Camry 2002), especially when car is not running [duplicate]

Over the past 5 days, I detected a really bad foul odor inside my 2002 Toyota Camry. It is worst when the car sits overnight, or for any length of time. As soon as I open the car door, "the smell ...
2
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4answers
1k views

BMW e46 cabin air vent smells [duplicate]

The cabin vents smell like mold and mildew. It's worse during humid days. I'm pretty sure the AC has something to do with it (since it smells bad when I turn the AC off and keep the fans blowing) but ...
5
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1answer
5k views

toyota corolla 2001 air duct smell [duplicate]

My 2001 Toyota Corolla recently started smelling very foul whenever the air system was turned on. According to the research I've done online, there is no cabin air filter to change. The glove box ...
2
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2answers
182 views

How do I flush out bad smells in my air conditioning? [duplicate]

My car seems to have a pretty bad smell in the air conditioning. WHat is the best way to flush out these smells?
3
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2answers
498 views

Horrible rotten feet smell from my 2013 chevy malibu ltz [duplicate]

I just purchased a 2013 Chevy Malibu LTZ and every time I turn on the air conditioner, there is this horrible odor of rotten feet that comes out of the vent. The longer I run it, the stronger it gets....
3
votes
1answer
574 views

Paint thinner/magic marker smell coming from AC

I recently purchased a 2012 Honda Civic (~36,000 miles). The AC will intermittently give off a paint thinner or magic marker smell. From what I understand, antifreeze has a sweet smell, and mold or ...
1
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1answer
48 views

Ac on 2006 jeep liberty

Does the ac system have to be empty to change high pressure switch on 2006 jeep liberty. I have tested everything on the system electrical and I have power ac is full of Freon but clutch will not ...
4
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1answer
112 views

Mist coming out vent and water leaking under dash

When I turn on ac after a while a mist starts coming out and I have a leak under dash 💨 for about a month now. What can it be? Please help
5
votes
1answer
345 views

15 ppm of CO levels inside car

I constantly measure 15 ppm of CO inside my car after a long commute (~1 hour of continuous driving, but the overall trip can take from 1.5 to 2 hours depending on my destinations before heading home)....
3
votes
1answer
94 views

Rough idle when AC is on

My Toyota Vitz 2007 idles roughly when AC is on. If AC is turned off, the idle becomes much smoother. This vibration is more visible if I suddenly stop in traffic. As soon as I stop, several rough ...
3
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2answers
3k views

Location of Blend Door Actuator in 2003 Chevy Malibu

I am fairly certain that my Blend Door actuator is faulty. I get all hot air in my car, which is great for the winter, not so much for the summer. I want to replace it, and followed directions on ...
2
votes
2answers
37 views

Is there a way to clean air getting in the cabin?

A friend of mine lives in a very polluted city and she gets headaches every time she gets stuck in the traffic jams, lasting easily one hour. The cars there are very old and polluting, even if the ...
2
votes
1answer
41 views

What compressor type does 2010 Lexus RX450h use

I'm a student studying motive power program at a college. Our instructor gave us an assignment to find out the specific vehicle's compressor type and which component is used TXV (throttle expansion ...
2
votes
1answer
103 views

Aircon doesn't cool when car is stationary

I have a Hyundai Tucson. Recently I noticed the Aircon doesn't cool when the car is working and not moving. When I move for a few minutes Aircon starts to cool again. What is wrong ?
2
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0answers
523 views

Can a blend door be easily fixed/replaced in a Ford Escape Hybrid 2006? Also, passenger side airbag removal?

I recently got my AC compressor fixed, but after doing this it turns out my AC still isn't great because of a messed up blend door (according to my mechanic). Apparently this is a fairly common ...
1
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1answer
376 views

Mazda5 - any way to disable “recirculation off while in defrosting mode” feature?

I have Mazda5 2013, trying to fix an annoying issue - every time I set air to blow towards windshield, recirculation is turning off - and there is no way to turn it back on if selector is still in the ...
7
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1answer
5k views

Low-side and high-side pressures lower than expected after AC repair

I just did my first automotive AC repair, after the compressor in my 2004 Lancer 2.0 ate itself, cracked its casing, and blew all the refrigerant out. I think I did the repair & recharge ...
3
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2answers
1k views

How to simulate that automatic-engine stop feature?

I have a brand new Honda Vezel (Japanese market only). It has this fanciful but useless and nuisance feature that shuts down the engine when I come to a stop and automatically restarts the engine ...
5
votes
2answers
581 views

Is it difficult to retrofit Air Conditioning?

Car: 2003 Opel Agila 1.2 I would like to retrofit Air Conditioning to my car, as I'm planning to travel to a hot place! My questions: Apart from charging and discharging the system, which I would ...
2
votes
2answers
216 views

BMW e46 AC intake location(s)

Is the intake for the air conditioning unit the same (i.e. under the hood near the windshield wipers) as the regular cabin air intake? What about in recirculation mode?
3
votes
1answer
41 views

Will using the AC accelerate refrigeration loss due to a leak?

I developed a leak in the lines of my AC system (verified). The system has been recharged so it is working for the time being, but I do not expect it to last indefinitely. I am due to buy a new car, ...
6
votes
3answers
13k views

How to recharge AC using booster from auto parts store?

The AC on my 2002 Chevy Cavalier stopped blowing cold in the fall and I had planned on getting it checked out and recharged once the AC check specials started. I saw this for $30 and it seems too ...
1
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0answers
18 views

Automatic A/C recirculation problem [closed]

I have a Toyota 2014 4-Runner limited and I have a problem where the recirculation button will automatically turn off. It works fine when it's on, but is there a way to turn off the auto turn off?
3
votes
1answer
11k views

Hard shuttering and engine dies when A/C is on at idle

When the car is idling and the A/C is turned the engine will shutter hard and/or turn off. I've already replaced the IAC valve; it was working for a little, but now it's back to shutting off. The ...
2
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4answers
4k views

Should I insulate the air conditioner pipe in my car?

I got my refrigerant re-filled and observed that the pipe going into the compressor gets very cold on the operation of the AC. IF it is getting cold it means that there is a possible heat loss and the ...
2
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2answers
414 views

Transmission Fluid Leaking from AC Condenser. Can I replace it myself and drive it to shop to do the before & after work?

My car is a Mazda Tribute My goal is to have the AC Condenser replaced. However, there are certain steps in the process that I can't do myself. These are: Before work: Discharge the AC Empty the ...
8
votes
1answer
421 views

How to get items out of the HVAC system from a 2003-2007 Honda Accord

Before I ruin my dashboard/car, I wanted to know if my approach is correct. I don't know much about cars but logically, it seems like a simple enough task to remove vents, reach in and grab items, ...
2
votes
1answer
793 views

Should I replace the AC's expansion valve?

The problem: Mazda 3 2008 125 K miles this is the first major ( > $300) thing to need fixing on this car The problem originally was that when you turn the AC on you get some cool air for about 20 ...
1
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0answers
32 views

How to close the re-circulation flap? [closed]

I have a 2001 Chevy Malibu and I am having a problem with the re-circulation switch for the AC. I am trying to figure out how to close flap so there is no outside air coming in can anybody help me ...
1
vote
1answer
198 views

AC stopped blowing cold air

This is my question, the ac in my 2000 Chevy S10 2.2L stopped blowing cold air. the clutch doesn't seem to be engaging. I tried recharging the system but the gauge is up in the red zone already.
3
votes
1answer
220 views

A/C Compressor not turning on?

Trying to diagnose an issue with my wife's 2001 Honda CR-V air conditioning. First off, the A/C gets down to 50F when car is running idle for several minutes, so it's not too bad ... however on hot ...
2
votes
3answers
226 views

Popping Sound when A/C is on - 2009 Kia Rio

I've noticed that, when I first start my car, there is an intermittent popping or clicking sound coming from up near the engine (sometimes it almost sounds like a very quick burst of air escaping a ...
2
votes
3answers
1k views

air conditioning working intermittently 2004 Ford Freestar

Hoping we can find a solution to our AC problem. Normally our AC is just blowing out warm air when AC is on. Warm air comes out in front and back of van. The air does not normally work but once in ...
1
vote
1answer
434 views

AC alternates between blowing hot and cold in hot weather

When the temperature outside is cooler, say less than 80°F, and I turn my AC on, everything works great and I get nice cold air in the car. In the late afternoons however when the temperature is ...
6
votes
2answers
48 views

1986 VW Westfalia van A/C

I had my AC refrigerant professionally changed to Red Tek in my van. It worked well for 2 or 3 years but then stopped cooling. I successfully refilled with difficulty and it was fine for a further ...
7
votes
3answers
14k views

How to fix leaking air conditioning schrader valve

I have a 98 jeep cheerokee sport. The air conditioning coolant leaks. After doing some diagnostics, I detected audibly a hissing sound coming from the low input port, leading me to believe the ...
0
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0answers
25 views

Install Air Conditioning in the car that does not have air conditioning build in [duplicate]

Is it good idea for me to install air conditioning in my car if my car does not have air conditioning build in? Is it worth for me to spend the money to buy and install the air conditioning or it is ...
3
votes
3answers
188 views

How to get mold smell out of car - 07 Ford Mustang GT

This car sits under a cover for an unfortunate amount of time. It's a 2007 and only has 39,000 miles, if that's any indication. It probably only receives love during the summer and sporadically ...
1
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2answers
162 views

AC leak best solution

I have a 2001 Honda civic. I recharged my ac with refrigerant but it only last about 3 days before the cold air stop blowing. I assume this would mean that the leak is pretty bad. Air is still blowing ...
0
votes
1answer
283 views

A/C shuts off periodically; switch off and back on and will work again

My Volvo XC90 runs well but periodically its A/C will shut off. I turn off the a/c for 30 seconds, then turn back on and seems to work well again. Could this be a compressor issue? Someone mentioned a ...
3
votes
2answers
300 views

98 Volvo S70 Manual Climate Control to Automatic

I own a Volvo s70 with the Manual Climate Control AC Control Unit. Is it possible to simply install an Automatic Climate Control Unit? Or does this require additional work? (Not just drag and drop ...
2
votes
0answers
138 views

AC Honda DX Civic 95 not cooling button for recirc AIR unlit

I have had an issue with 1995 Civic cooling. It worked 2 months back. I will try to be specific. I have studied HVAC ,Compressors in Blgs ,just not vehicles so I know the system somewhat. It will NOT ...