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

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1answer
922 views

Understanding NA Ford Escort air conditioning modes

I had read through 1999 Ford Escort Owner’s Manual, and have few questions regarding air conditioning modes. The manual’s section on climate control states: The air conditioning compressor will ...
2
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2answers
40 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
votes
1answer
36 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
106 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 ...
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2answers
154 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 ...
2
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1answer
96 views

Which convenience features in a car affects fuel economy?

I understand that the A/C compressor runs with the engine belt, so it will always uses some HP when engaged, therefore it will have some effect on fuel consumption. What I want to know if there are ...
2
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1answer
6k views

Air conditioner is hot on one side

My 2005 Chevy Silverado with dual zone climate is occasionally blowing hot air on the driver's side and cool on the passenger. It usually works fine for a few minutes before it begins blowing hot air. ...
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3answers
770 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 ...
2
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1answer
2k views

Do I need to add oil after A/C evacuation without replacing any parts?

My 1999 Suburban's A/C started to lose its cooling capacity last fall. In late fall it stopped cooling completely (there was a mechanic involved with other parts of the vehicle at the time). This ...
2
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2answers
82 views

What does it mean if felt- like pieces come through vent when AC is on in Toyota Avalon?

2006 Avalon xls 70k miles has just started throwing out a few pieces of what appears to be little triangles of felt like material through the vent when AC is on. Not a lot but is something breaking ...
2
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2answers
32 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
40 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 ?
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2answers
154 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?
2
votes
1answer
182 views

How to replace broken AC pressure switch Kia Optima 2006

I was replacing the windshield fluid motor in my wife's car, and I saw this sensor had broken in half. Says it's an AC pressure switch, and looks like I could just unscrew it and replace. Except for ...
2
votes
1answer
66 views

A/C Issues with a Mechanical Temp. Control

First Start of my A/C is good but when my evaporator is cold, my A/C Goes On and Off Rapidly. On for a second then Off for a Second. Does it have to be the Mechanical Temperature causes the problem? ...
2
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2answers
997 views

A/C causes the the car to die

I have a 1999 ford ecsort Zx2 it has the 2.0L DOHC engine in it or known as the Ztec engine. When I am driving with the A/C on it sputers and dies but restarts. What would cause this? it runs just ...
2
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1answer
5k views

My a/c goes in and out at random times. Help!

I have a Pontiac Grand Prix GT 1998. She runs great except my A/C is now acting up. I first noticed it a few weeks ago. I was driving and it was almost like someone had turned the air down so it ...
2
votes
1answer
1k views

Blower motor resistor Continuously Going Out…or not?

I drive a 2004 Chevy Monte Carlo and the A/C is usually fine. However, this car has gone through 4 blower motor resistors. What happens is that, randomly while driving or when turning the A/C on (it ...
2
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2answers
88 views

My car A/C works sporadically, and has weird symptoms, help?

(I know I'm not the first with similar issues, but my situations way weird) Chevy Malibu Classic '04 The fan always works. But if I click the A/C button, sometimes it works, sometimes it doesn't. ...
2
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0answers
156 views

ac compressor pulley making noise [closed]

2006 hyundai sonata 6 cylinder ac compressor pulley is making noise how dangerous is it to drive ? Also is there a temporary fix i could do or is it possible to grease the ac compressor bearing in my ...
2
votes
1answer
220 views

1997 Ford Expedition Intermittent Hot/Cold Air

I have a 1997 Ford Expedition with a seemingly random Hot/Cold air swapping issue. In the winter, when I turned on the heat, it would randomly alternate between blowing freezing cold air from outside, ...
2
votes
1answer
395 views

Subaru Outback - AC blowing less air out of one vent

I have a new 2015 Subaru Outback. A day after I got it, I noticed a faint crackling noise coming from the air conditioning vent when the AC is set to high. It's very faint but it's very noticeable. ...
2
votes
1answer
80 views

Anyone knows of a tutorial on how to remove/replace the radio and AC unit in a 2001 Subaru Legacy?

I have new radio and AC units for my 2001 Subaru Legacy L Station Wagon but I do not know how to install them. It seems more complicated than I expected. Does anyone knows of a good tutorial or manual ...
1
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1answer
96 views

Most Efficient Way To Run AC

What's the most efficient way to run the AC in my car? In my 2007 Subaru I can set the temperature to 65 F and the temperature will reach and stay at a comfy 65 degrees. But I imagine the A/C ...
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2answers
46 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 ...
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2answers
386 views

Where is the e46 AC drain hose located?

I've tried looking online, but I can't find a description and the images are too zoomed-in to tell exactly where the AC drain hose is. Another problem is that the hose might vary between generations. ...
1
vote
2answers
245 views

Air-conditioning intermittent failure

I drive a 2007 model Skoda Fabia 1.4Ltr mpl. My air conditioning trips off after driving for 5minute. Hardly stays on during traffic. Fan still rolls but cooling stops. Also noticed it tries staying ...
1
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1answer
438 views

High RPM and engine heating on 2001 Subaru Legacy

I have a 2001 Subaru Legacy L station wagon with 143k miles. I do not know when the timing belt was done, or when the spark plugs were replaces last. I only know that the brakes, tires, and one of the ...
1
vote
3answers
992 views

How to remove stuck AC barrier hose without damaging barb fittings?

I'm trying to remove 23-year-old AC barrier hose from aluminum line so I can replace them. I split the crimped ferrules and removed them. The hoses are stuck on. I'm sure they've permanently deformed ...
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1answer
4k views

Air conditioning gradually stopped working, hissing noise

On my 2003 Kia Sedona minivan, the air conditioning recently stopped working. This occurred somewhat gradually over the course of a week or so. I noticed today that if I turn the air conditioning ...
1
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1answer
23 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 ...
1
vote
1answer
186 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 ...
1
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1answer
59 views

Do A/C Hoses Go Bad in Other Ways than Leaking?

I want to do a "complete" overhaul of my A/C system and am pricing parts. I will be dropping a good amount of money on the parts and want to protect my investment. If my hoses aren't leaking (not ...
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1answer
80 views

Puddle under passenger side of car/ A/C blowing hot air

I have a 1999 Mazda 626. I drove 5hrs the other day from WA to OR. Traffic was horrible and it was blistering hot. I had my A/C going most of the time, although at one point it started blowing hot air ...
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1answer
53 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.
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1answer
135 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.
1
vote
1answer
91 views

2004 Mercury Marquis LS A/C & fan problems

My 04 Mercury Grand Marquis auto temp controlled A/C was working fine last night when I parked it. I got in it today, and it has no fan speeds at all, and the compressor is kicking on and off. I'm not ...
1
vote
1answer
307 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 ...
1
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1answer
1k views

AC/heater fan only blows at high speed [duplicate]

All of a sudden the AC/heater fan on my 2004 Toyota Matrix does not work properly. The fan has four positions. The first 3 no longer blow air at all, but the 4th position (the highest) works. A ...
1
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1answer
44 views

1995 Grand Marquis Blower Motor housing L&R

The blower motor housing is shot. both left and right side. I got the right side off pretty easy but the left side looks not so easy. If I am looking at it correctly, it looks like the heater core ...
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2answers
475 views

A/C blows hot air on acceleration

2008 Malibu A/C blows hot air on acceleration. At idle or once maintained speed, it cools and blows cold again.
1
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1answer
147 views

A/C Fan Speeds Working on High and Low only on 2004 Mercury Grand Marquis LS

On my 2004 Mercury Grand Marquis, the blower just started working on only two speeds, high and low. Recently the blower suddenly quit working altogether and it was the resister. What's the best take ...
1
vote
1answer
2k views

Malfunctioning air conditioner mystery - recharge makes car run worse

The air conditioning in my 2002 Subaru Impreza has sort of worked the last couple years. This year it got bad enough that I began trying to fix it, but even though it's totally useless on a 30 minute ...
1
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1answer
158 views

Intermittent aircon problem: Subaru Impreza Wagon 1996

Subaru Wagon Impreza 1996. Automatic, 1600cc. The gas (refrigerant) has been refilled recently, so that's all good. The air seems to be colder when the revs are higher (>2,500 rpm or thereabouts). ...
1
vote
1answer
52 views

Late 90's Saturn - troubleshoot A/C

My son's car was hit in a low-speed collision...messed up the windshield and some cosmetic damage. Aside from that, the A/C has stopped blowing cold (but it still blows). A visual inspection of the ...
1
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1answer
39 views

Changing climatizer filter in Cordoba 2005

How do I change the climatizer air filter in a 2005 Cordoba (2nd series I believe)? I know for sure it's under the passenger seat, because I saw once a mechaning changing it. I want to do it myself.
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1answer
409 views

Adjusting the idle setting on a 2005 Cavalier

The air conditioning unit on my 2005 Cavalier only engages when the engine is idling above a certain level (observationally, it appears to be between 1000 and 1200 rpm). During the summer months, ...
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1answer
348 views

Renault Megane I 1.6 Airconditioning pump seized

My Renault Megane I 1.4 RT's airconditioning pump recently totally seized. When the seize happened, it also broke off the crank pulley. I have now replaced both the airconditioning pump and crank ...
1
vote
1answer
410 views

Vibrating sound coming from air condition vent when turned up high?

When I turn my ac up high, I hear a vibrating sound coming from one of the vents. It vibrates more if I turn it up higher. What could this possibly be?
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0answers
16 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?