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

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3
votes
2answers
540 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 ...
7
votes
1answer
1k 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 ...
4
votes
2answers
11k views

How do I convert a R12 to R134A for my AC system?

I have an older vehicle that has AC, but it needs a recharge. It uses the older R12 refrigerant and it is very expensive and can be difficult to locate as it is not made in the US anymore. How do I ...
1
vote
1answer
115 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, ...
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 ...
0
votes
1answer
56 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
1
vote
1answer
171 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
201 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
votes
1answer
27k 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 ...
2
votes
2answers
600 views

HVAC is not blowing. Is it most likely the blower motor?

I have a 1998 Buick Park Avenue (standard not ultra). Recently the heating and air stopped blowing. It acts normal in every other way (lights and indicators work as normal) but I am not getting any ...
2
votes
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 ...
12
votes
2answers
3k 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 ...
1
vote
1answer
490 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 ...
4
votes
0answers
38 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. ...
2
votes
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
votes
1answer
7k 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
85 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 ...
4
votes
3answers
3k 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 ...
4
votes
1answer
2k 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 ...
1
vote
1answer
168 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). ...
2
votes
1answer
10k views

AC sytem repair after bad compressor

I had my AC compressor removed and replaced with a dummy pulley about a year ago. The reason was I had a long trip ahead of me and the compressor was making some funny noises, as if she was about to ...
4
votes
1answer
284 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 ...
2
votes
1answer
41 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.
3
votes
1answer
674 views

Adding air condition (con) CONTROLS to a Peugeot 206

I emphasise CONTROL because pug has an air con button. I have heard people say it is too expensive/difficult/ just not worth retrofitting air con to a car but I would like to swap the single button ...
3
votes
3answers
517 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 ...
-2
votes
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?
1
vote
1answer
54 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 ...
3
votes
1answer
1k views

AC not working in 2005 Chevy Cobalt

I have a 2005 Chevy Cobalt; its heater works fine, but AC doesn't seem to work at all. Fan works, but even at cooling set to max it just blows room temperature air. What could be the reason? Thanks!
5
votes
2answers
6k 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
votes
1answer
2k 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 ...
1
vote
0answers
65 views

Dodge 3500 AC-Nasty Smell-Diesel Truck [closed]

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
votes
1answer
2k 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 ...
5
votes
3answers
7k 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.
4
votes
1answer
992 views

A/C electrical problem on 92 Civic

I've had intermittent A/C failure on my 92 Civic DX going on for a couple years now. It's clearly an electrical problem. Normally it's solvable by putting some pressure on the control panel, but ...
2
votes
1answer
959 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 ...
3
votes
2answers
311 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?
2
votes
2answers
206 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
votes
2answers
570 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 ...
5
votes
1answer
445 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 ...
1
vote
1answer
69 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
5
votes
2answers
2k views

Heat only works when engine is revving and at full power

On a 2004 Chrysler Sebring, the air only works when turned up to maximum power. At any of the 3 levels below that, no air comes out. Additionally, when the heat is on, it only blows hot air while the ...
7
votes
2answers
1k 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 ...
5
votes
2answers
10k views

Honda Civic easily overheats with air conditioning on high?

I have a 2005 Honda Civic DX. I drove my car for about 10 minutes, with the air conditioning on the highest/coolest level. I then parked my car in direct sunlight for another 10 minutes, and kept the ...
1
vote
1answer
451 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
360 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
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 ...
4
votes
1answer
458 views

2001 Saab 9-5 Air Conditioner Fan (upper vents) not working

2001 Saab 9-5 Wagon 9-5 Air Conditioner (upper vents) Fan stopped working. I've examined the DICE fuses, but they all seem to be good. What should I be checking next?
1
vote
1answer
418 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?
4
votes
1answer
2k views

My AC works well at night only

I'm unhappy with the performance of my '04 Pontiac GTO's AC. Here are the symptoms: Cooling goes down to zero when the car is stationary, starts to cool after the car has been moving for some time ...
3
votes
1answer
263 views

Am I getting ripped off by my mechanic?

We've been taking our cars to a local mechanic for years. Always been treated right, they've charged us fairly and everything was great. This year, though, we've had to take one of our cars in three ...