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

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2
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1answer
27 views

Lexus HS 250h car; a/c noise from inside the car

I am getting these kind of noise https://youtu.be/QhmK7oDX1tE Any idea what's wrong? Car details Year : 2010 Model : Lexus hs250h Its happening when I switch AC/Fan on and it last for 30 sec and ...
2
votes
2answers
36 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
78 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
votes
2answers
94 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
votes
2answers
195 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
283 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
234 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
144 views

1999 Toyota RAV 4 Car Stops when AC is powered on after driving for a while

While driving my 1998/99 Toyota RAV 4 car for sometime with the Ac powered on, the engine goes off. Once i start the car, it responds and it does not stop at all when i off the AC, once AC is on , ...
2
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1answer
235 views

2009 Civic DXG leaking a LOT of fluid from AC drain tube, coolant low

Does the A/C compressor run/engage under certain conditions (like defrost) even if A/C has not been on for a week? We got a puddle of about a 1/2 liter of (confirmed) clear water under the car ...
2
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1answer
79 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? ...
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2answers
4k views

2009 Chevy Malibu 2.4 off and on temp Gauge on C, No AC and fan comes on right away

My Chevy Malibu (2009 2.4) is acting a tad whacky! It either acts totally normal, or all below occurs at the same time. . . 1) coolant fan(s) come on when I start car 2) temp gauge stays on C (dead) ...
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2answers
1k 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
votes
1answer
8k 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
2k 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
votes
1answer
184 views

2001 Plymouth Neon-Smell coming from vents when on

Whenever I have the heat or ac on in my car it smells fine until I stop. If my car is not moving and the heat or ac is on it smells something like exhaust. Sometimes it is stronger than other times. ...
2
votes
1answer
30 views

How to clean the mold inside the A/C drain hose?

I have a Toyota Corolla 2013. I know you can probably blow air or use a pen to clean the end of the A/C drain hose from underneath the car, but how can you clean the hose of the mold? Is there a safe ...
2
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0answers
14 views

Is Lysol a good treatment for the musky AC smell? [duplicate]

So i bought my BRAND NEW Corolla 6 months ago. Recently i started smelling a musky smell coimg out of the AC. The smell is especially persistent when the AC is off (yes OFF, not ON) So I went to the ...
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0answers
21 views

On my '99 Grand Am the electric windows, A/C, dash gauges, speedometer stop working sometimes

Sometimes they come back on in a few minutes but sometimes it's hours or maybe a day and they will all start working again at same time. Other things like radio, CD player, cruise, horn, wipers, door ...
2
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0answers
109 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 ...
2
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0answers
469 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 ...
2
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0answers
217 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
466 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
88 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 ...
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2answers
18 views

Failure in A/C compressor due to flood?

I've changed my car (Brazilian GM Classic) oil and after the change the A/C stoped working. I've asked for the car dealearship I've changed the oil to check it up. The diagnostic was that the A/C ...
1
vote
1answer
111 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 ...
1
vote
3answers
1k 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 ...
1
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2answers
259 views

Ford Explorer Weak Air Flow Defrost/Air Conditioning

My 2002 Ford Explorer developed a weak defrost late in the winter (I don't drive it all that much) and now in summer the air conditioning has a very weak air flow -- doesn't cool anything. I'm sure ...
1
vote
2answers
100 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 ...
1
vote
2answers
604 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
276 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
vote
1answer
504 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
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
vote
1answer
24 views

Coolant leak after AC recharge

Went to recharge my AC system on a 2000 Acura TL, the pressure gauge showed the pressure being on the line of "empty" and "filled", put some refrigerant in and the gauge didn't move at all put more in ...
1
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1answer
32 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
319 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
vote
1answer
80 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 ...
1
vote
1answer
105 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 ...
1
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1answer
56 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.
1
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1answer
174 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
109 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
364 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
vote
1answer
48 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 ...
1
vote
2answers
590 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
189 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
vote
1answer
171 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
56 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
vote
1answer
459 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, ...
1
vote
1answer
372 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
420 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?