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

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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
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1answer
14 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 ...
3
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1answer
41 views

A/C clutch turns on and off frequently

I have 2011 Mazda CX7. When I first turn the car on I can see the A/C clutch being engaged, but after the car runs for bit, then clutch disengages. After a while it starts to engage for few seconds ...
6
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1answer
44 views

Air Conditioning Cools Intermittently

I have a 2001 Honda Civic. The A/C works pretty well - it comes on fast and blows cold. However, after 5 - 10 minutes it stops cooling and starts blowing warm air. If I turn the A/C off, after another ...
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2answers
1k views

Why is car A/C typically less reliable than fridges/freezers?

I just had the A/C in my car die on me again; air coming through the vents with the A/C is just as warm with it turned on as off. However, my fridge/freezer is something I've had for over 5 years and ...
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0answers
65 views

Why would turning on the A/C affect my alternator output voltage?

So yet another chapter unfolds in the A/C gremlin saga of my LS1 Chevy. Backdrop A/C compressor is relatively new (2 years old) One of the belts is squeaking (not sure which one) Recently performed ...
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2answers
47 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 ...
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2answers
29 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 ...
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1answer
26 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 ...
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0answers
19 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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1answer
72 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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1answer
94 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 ...
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0answers
34 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 ...
2
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1answer
26 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 ...
3
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2answers
70 views

Air conditioning not on, but still giving out cold air when car in motion, and makes hissing sounds

Have a 2000 Honda Accord 4 cylinder. Problem started last week. Turned a/c to cold, cold air not as cold as before, plus a loud hissing sound that seems to be coming from the passenger side, under the ...
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1answer
155 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 ...
2
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0answers
45 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 ...
4
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1answer
234 views

A/C Does Not Continuously Blow Cold

I have an '06 Chevrolet Silverado with a 5.3L L33 engine and 146k miles. I have been having issues with the A/C not continuously blowing cold air. It seems to cycle between cold and luke-warm. I have ...
2
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1answer
146 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 ...
2
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0answers
66 views

Volkswagen A/C Intermittent

I want to repair my Volkswagen Passat '07 A/C. I've taken it to two shops (dealer and independent) and they both say the entire a/c system needs to be replaced. The strange thing is, that sometimes it ...
4
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3answers
185 views

Engine idles badly and loudly when I switch on the A/C

The engine of my 1984 Toyota Carina AA60 works great when idling without the air conditioner running, but immediately after switching it on, it idles very badly, and a big noise starts up. If I move ...
2
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1answer
601 views

Do I need to replace the A/C Clutch, A/C Relay, or A/C Belt?

My '05 Mazda Tribute (just over 200,000 miles) is having problems with the A/C. A while back it was the freon according to the previous owner. I connected a pressure gauge to the low pressure end of ...
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2answers
72 views

How often should you get your air conditioner checked and serviced?

Every year I bring my car (now almost 3 years old) to the garage for a check up. When I bring it the people from the garage usually ask if I also want the extra air conditioner check and servicing. ...
3
votes
1answer
130 views

When I set the air flow to Defrost, it turns on the A/C?

On a 2001 Honda Civic. Having the temp dial to HOT. When I turn the air flow dial from FRONT to Defrost (windshield), it turns on the A/C button and the A/C motor kicks in also. It just started doing ...
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1answer
70 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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votes
2answers
27 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 ...
3
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2answers
95 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 ...
3
votes
3answers
80 views

ac compressor empty anything to worry?

Recently I just had a small crash that broke a plastic flange from my ac system. I checked around to be sure nothing else is broken and it really look like this is the only broken thing. The ...
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2answers
408 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?
6
votes
1answer
1k 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 ...
5
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2answers
708 views

Easiest way to disable the A/C compressor

My A/C system has a leak in it and my compressor is making an awful noise: probably needs replacing. Winter is coming though, and I really don't want to spend any time or money on tracking down leaks ...
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1answer
23 views

1990 toyota a/c low on freon about every 18 months

I have a 1990 Toyota that needs R-12. What do I do now? I no longer can find R-12 to put in my system. Is there a place I can buy it being an individual?
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1answer
29 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 ...
4
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1answer
93 views

1998 GMC Suburban Air Conditioner

I am a part time auto mechanic, and for the life of me cannot figure out this problem. No matter how many times I fix it, two weeks later it comes back. I cannot fix the air conditioner. I have ...
4
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2answers
519 views

1998 Dodge Ram AC clutch won't engage

When I call for AC on the dash the clutch on the compressor doesn't engage. I disconnected the clip that connects the wire to the clutch and checked for voltage and there was none. People say that ...
4
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1answer
189 views

Drying out wet carpet

My windows keep fogging up, even when it wasn't very cold outside. It seems to form in minutes and unlike regular fog, the droplets are massive! I have to run the AC on high for several minutes before ...
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0answers
38 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?
2
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2answers
121 views

AC repair need help so bad it's hot!

08 PT Cruiser blows warm air but never gets cold. Tried Freon but it doesn't blow cold or last long at all. It sounds like it's clicking on and off not too rapidly when driving it blow slightly cooler ...
2
votes
1answer
414 views

AC not cold anymore on brand new VW Polo

I've brought a new VW Polo 2012 plate. It's only a few months since it was registered by the dealer. However all a sudden the AC has stopped working. When I press the button labelled AC the light ...
4
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3answers
2k views

What is involved to recharge the Air Conditioning System?

What is involved to recharge the Air Conditioning System? I believe you need a machine to do it, so I am guessing you can't do it yourself.
6
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1answer
104 views

Shutting off fans at highway speeds

On my vehicle (92 Civic) and most others I've seen, the condenser fan comes on whenever the A/C clutch is engaged. This seems like a waste of electricity (and thus fuel) when cruising at 60-75 mph, ...
3
votes
2answers
109 views

What is the purpose of AC re-circulator?

I think every car has re-circulator functionality in AC control panel. But I don't really use it, because it fogs up all of the windows. What is the purpose of the re-circulator?
5
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1answer
173 views

What should I use to lubricate the flaps that controls the temperature and which vents the air comes out of?

The control shafts that move the flaps which control the the hot/cold air and which vents the air come out have broken. The car is a 1999 93 Saab so I'm assuming that the hinges (the flap has a peg ...
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1answer
61 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
2
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2answers
132 views

1995 Mercury Mystique - AC compressor turning on and off

The AC compressor in my car is turning on and off repeatedly, and not really getting a chance to get cool. From what I've read this can indicate low coolant. I've just had the system repaired a month ...
3
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2answers
330 views

1995 Mercury Mystique - No more cool air from AC

I've got a '95 Mercury Mystique that I have been trying to fix the A/C or for awhile (as budget allows). I just had an overhaul from the shop... Had a new compressor installed - the old one had ...
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1answer
23 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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2answers
6k views

Is starting your car with the A/C on bad?

I was always yelled at by my father when I was first starting to drive when I left the A/C on when I turned off the car, and then later turned it back on, with the reasoning that I was ruining / ...
5
votes
1answer
2k views

Huge puddle of water under car

I parked my Dodge Viper after driving for about two hours. Half an hour later I noticed a huge puddle under the engine, on the passenger side. I am pretty sure it was water since it was thin, ...
6
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2answers
407 views

What problems can come from AC not running for years?

I have an 81 Chevy C10 that I inherited from my dad. This truck has mostly sat for the last seven years, with me running it enough to keep it in condition. I've been using this truck mainly for the ...