Tagged Questions

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

learn more… | top users | synonyms (1)

2
votes
2answers
225 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
561 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
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.
7
votes
1answer
114 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
126 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
votes
1answer
195 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
62 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
votes
2answers
140 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
372 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 ...
1
vote
1answer
26 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.
12
votes
2answers
9k 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, ...
7
votes
2answers
483 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 ...
3
votes
1answer
714 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!
2
votes
1answer
531 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 ...
4
votes
2answers
967 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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
189 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, ...
3
votes
2answers
2k views

How much isopropyl alchcol to deodorize AC ducts?

i'm looking to remove an odor from my Corolla's fresh air intake. There are products available where you spray the product into the fresh air intake (near the windshield wipers), while the fan is ...
4
votes
5answers
36k views

How do you detect and deal with a freon leak?

My heat works great, but my AC is nonexistent. Just blows out normal air, which in this weather is quite hot and unpleasant. I had the freon refilled two years ago, but I haven't used the car in over ...
4
votes
3answers
7k views

Engine Bogs down with A/C or Defroster On

This started to happen relatively recent. It's 2003 Chevy Trailblazer. What is happening when the engine is idling and I turn the A/C on or the defroster (which also uses the A/C I believe), the ...
1
vote
1answer
262 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 ...
3
votes
2answers
1k views

Location of Blend Door Actuator in 2003 Chevy Malibu

I am fairly certain that my Blend Door actuator is faulty. I get all hot air in my car, which is great for the winter, not so much for the summer. I want to replace it, and followed directions on ...
1
vote
3answers
668 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 ...
5
votes
1answer
184 views

Do I have to get another Volvo?

I live in Florida and have mold allergies. Multiple times my 2008 Sienna van has a bad AC smell develop which makes me cough my head off. The dealer has cleaned the evaporator and ducts and the ...
2
votes
1answer
406 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
22k views

Why am I smelling exhaust inside the cabin of my car?

When I drive my car the first few miles, I smell exhaust inside the car with the windows rolled up. It happens when I have either the AC or the heat/air on... What's going on?
1
vote
1answer
323 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?
2
votes
2answers
285 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 ...
5
votes
1answer
1k views

AC: Fixing or Recharging?

I have Toyota Camry 2000. The problem is AC does not blow any cold air. So, I bought R134a and recharging it myself. It costs me about $12. However, it lasts for about a month. I checked with couple ...
3
votes
1answer
221 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 ...
3
votes
1answer
1k 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 ...
1
vote
1answer
3k 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 ...
4
votes
1answer
370 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
2k 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 ...
4
votes
1answer
699 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 ...
3
votes
3answers
7k views

What do I risk if I don't fix my leaking evaporator core on my 2004 Jeep GC?

The shop just tested my non-working AC, and recharged the freon - so, for now, it's working. Cost $118 all in. However, they tell me I have a leak in my evaporator core, and that it will take 16 ...
8
votes
2answers
2k views

Why might I experience a power falloff after starting my car with the AC On?

I have a 2000 Chrysler Neon which generally runs well. I have noticed that if I start the vehicle, turn the AC on and reverse out of the driveway, the engine seems to struggle/sounds like it is going ...
4
votes
1answer
3k views

Stuff coming out from my AC

I recently left my car (Honda Accord) in the parking lot of my apartment complex for a little over a month while I was out of town. It was working fine when I left. Now that I've come back, I've ...
4
votes
2answers
1k views

My vents randomly switch between face / windshield… how do I fix this?

I have a 1998 Ford Windstar (more details on demand if necessary.) I rarely use any vent setting besides "face", and I try to avoid using AC because my gas mileage is already lousy. About two months ...
4
votes
2answers
5k 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 ...
4
votes
2answers
391 views

How can I remove Factory Air Conditioning from a 1965 Mopar Big Block

I have a 1965 Mopar 383 Big Block with factory air conditioning. I would like to remove the air conditioning from the engine, including the A/C pump. Unfortunately, the belts for the accessories are ...
5
votes
3answers
6k views

How to recharge AC using booster from auto parts store?

The AC on my 2002 Chevy Cavalier stopped blowing cold in the fall and I had planned on getting it checked out and recharged once the AC check specials started. I saw this for $30 and it seems too ...
6
votes
1answer
848 views

Heater smells like sulfur

I drive a 2006 Toyota Sienna. When driving with the heater on I often smell sulfur. This is more common when I am driving up a hill, but if I turn the heater off, the smell goes away. What causes this ...
4
votes
2answers
2k views

What's wrong with my intermittent air conditioner?

When the weather first starting getting warm last month, I turned on my A/C and it didn't work. The air coming out of the vents was warm and humid. A few days later it started working just fine and ...
3
votes
1answer
9k views

Patch A/C condenser?

I have a small leak at the top of my air conditioning condenser. Last summer, I tried patching it with JB Weld. They do advertise as working with all metals, but I suspect it failed to hold because ...
4
votes
2answers
9k 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 ...
30
votes
4answers
80k views

Why does my A/C blow foul smelling air when it first turns on?

Most of the time when I first turn on the A/C in our 2008 Toyota Sienna, the air that blows out has a very distinct chemical - nasty smell. After a while it seems to go away. I'm not sure if I just ...