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

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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 ...
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1answer
31 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
296 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.
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1answer
101 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 ...
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1answer
1k 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 ...
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1answer
138 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). ...
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1answer
32 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
296 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
291 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 ...
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1answer
390 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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1answer
5k 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 ...
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0answers
29 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 ...
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41 views

A/C now blowing hot air

2004 VW Jetta A/C started blowing hot air this morning on way to work. What could cause this?
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0answers
22 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 ...
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0answers
62 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 ...
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0answers
39 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. ...
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0answers
56 views

ac compressor pulley making noise

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 ...
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1answer
73 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.
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37 views

Mechanic Didn't Diagnose Full Problem

I recently went in to get my AC looked at. They tested it, said that all it needed was a compressor. I was quoted $826 and change to have my air conditioner fixed. I saved up that sum, came in to ...
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2answers
81 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?
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1answer
199 views

RPM bouncing when in idle, especially when AC in switched on

I have a diesel common-rail 1.5l engined car. Lately I am facing an issue where the RPM needle is bouncing in the tachometer when the car is idling. The normal idling RPM is around 820. When idling, I ...
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0answers
86 views

Car AC is not working [closed]

My car AC was working perfectly and today i took the car (Honda City 2000)for oil change and car wash. The man has blow the air and wash the engine as well. After that my car AC is not working. Please ...
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1answer
143 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 ...
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80 views

Inverting the A/C VSV Switch

I bought a 2E Carburetor for my 4G13 Engine. My Problem is that 2E Carburetor Idle Up A/C Vacuum Actuator needs vacuum when the engine is on and when the A/C is On, the idle up vsv will be Off (or no ...
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1answer
81 views

A/C Idle Issue on very hot weather

My Vehicle is a 1996 Mitsubishi Lancer (CB1A) with a 4G13 Engine and I'm having some A/C Issues when the weather is sunny hot. I already replace with a new ones like Mitsubishi-Air A/C Compressor, ...
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1answer
132 views

AC on driver's side is bad.

I have Mercedes E350 2009. On driver's side, AC is not as cold as the passenger's side (second and back). Also, AC is much colder when air intake is set to inside but every five minutes it disconnects ...
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23 views

A/C Reciever Drier for 1962 Skylark

I need to replace the A/C receiver drier (a.k.a. accumulator) in my 1962 Buick Skylark (V8 convertible), however the aftermarket ones I've been finding online (e.g. ...
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61 views

Dodge 3500 AC-Nasty Smell-Diesel Truck

My Dodge 3500 ac was blowing fine this morning, and then all of a sudden it had a burn mildewy smell, and now its blowing hot air? Any suggestions?
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1answer
65 views

How can I tell if the AC is discharged?

Title basically says it all. I need to convert from R12 to R134, and was told that the ac was discharged when I bought the truck, but I want to double check. Thanks
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1answer
48 views

Air vent squeaks while car in on position

My kia rondo 07 if I have key in on position but not started I turn air on and it squeaks like old door hinge is that not normal or a problem
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15 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 ...
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1answer
24 views

Air conditioning compressor

Can I remove the non working a/c compressor from my '85 Chevy S 10 Pu truck? It is not working and I want to get it out of the way.
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1answer
43 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 ...
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24 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 ...
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22 views

What causes the engine idle fuse to blow when I turn the a/c on?

Vehicle: 2005 Ford Taurus SE The Engine idle fuse blows out when I turn a/c system on. What could be the problem?
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35 views

02 Cavalier A/C Problem

2002 Chevy Cavalier 2.2L VIN 4 A/C Compressor will not engage. Swapped out with a used one from savage yard. It holds Pressure - when the high pressure side (where you put Freon) is pressed in, it ...
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1answer
53 views

Switching off the AC before turning off the engine to increase longevity - urban myth? [duplicate]

I was riding with a friend and he insisted that it's better for me to switch off the AC before turning off the engine because when you turn on the car the AC won't get switched on with it and the ...
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12 views

Air conditioning trips off [duplicate]

My air conditioning trips off after driving for 5 minutes, and it hardly stays on in traffic conditions. The fan keeps rotates but cooling stops. When I increase the fan speed and am driving at high ...
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155 views

Remote Car Climate Controller

I am investigating the possibility of monitoring and controlling the car cabin temperature using GPRS. I will be using Arduino Uno and GSM shield to communicate with an Android App. The arduino works ...
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1answer
17 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
32 views

A/C on older cars.

I have a 1981 Toyota starlet (kp61) There isn't much online or I'm not looking in the right places. Everything is there but some air ways don't work(only throws air in 1 vent). Which is not even cold. ...
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1answer
52 views

The reasons for evaporator core leaking

My verna hyundai evaporator core starts leaking two years after the car purchase. tell me the reason why its leaks
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2answers
2k views

air conditioner no longer working in 2005 Chevy Impala?

so after getting my breaks fixed (which was warped) the air conditioner stopped working. In winter it can only provide cold air, and in summer it can only provide hot air. how to fix this?