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Questions tagged [ac]

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

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Where is location of AC pressure sensor on 2007 Buick Lacrosse?

I will replace the AC pressure sensor/pressure switch on my 2007 Buick lacrosse. I don't have lots of experience but I am learning. I recently changed the oil, flushed the coolant, replaced the ...
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1998 Honda Civic LX coolant spillage after running AC

I ran my car yesterday for about 4 hours and there were no issues. Upon going out to my car this morning, I notice a leak of some sort coming from underneath my car. So I touched it and sniffed, sure ...
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16 views

R134a 5kg gas bottle

I have a 5kg R134a gas bottle and would like to know the weight of a completely empty cylinder or a completely full cylinder then I can calculate how much gas I have left ...the product I have is Blue ...
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0answers
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2009 focus shuts off when a/c is turned on [on hold]

I added 1 can of freon,when ac is turned on,call shuts off car also shut off @a stoplight 2-3 days ago
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1answer
41 views

Do I have to disconnect the battery before I replace AC pressure sensor/pressure switch?

I did some research and with some people's help, I think my AC pressure sensor/pressure switch doesn't work properly. When I try to turn on AC I see the light come on but it doesn't give me cold air. ...
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27 views

AC clutch doesn't get engaged

My 2007 Buick lacrosse was giving warm air when I turn on AC and I looked compressor and clutch wasn't turning so I thought I am low on refrigerant and went the shop did recharge and it was working ...
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1answer
22 views

Ford Ranger 2008 AC works only on recycled air. Help?

I noticed my Ford Ranger was only blowing hot air when set to bring in outside air, regardless of the temperature outside or what my climate control is set to. I noticed (by accident) that if I turn ...
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1answer
24 views

A/C blows cold air for few seconds, then warm air, then cold

As said in title, our Honda Civic 1.8 2009 petrol model A/C doesn't work properly. When A/C is on it may & may not give cold air. Suddenly after some time it starts working and blowing cold air. ...
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3answers
66 views

What is the purpose of high pressure service port in cars ? Can we charge refrigerant into the system by high side service port?

I have read on internet and in Tesla Model S service manual book that we can charge refrigerant by high pressure service port (with gas charging machines or another way) as long as there is vacuum in ...
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8 views

2010 Suburban ac blew very hot

Unhooked the negative battery cable to reset the check engine light. When it was started after, the ac blew extreme hot. What's up?
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0answers
71 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
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Honda Civic type r, fn2 2007 aircon wiring diagram

Have tried every search I can think of but it's not brought up what I'm looking for. Would it be possible for someone to post up the A/C wiring diagram for the Honda Civic type r fn2 2007 model?
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2answers
22 views

What makes AC clutch not to engage?

I have problem with the AC compressor in my 2004 kia carnival which was working fine until i swaped the engine in the local workshop. I checked all fuses they are seems to be good. I tried to wire the ...
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1answer
9 views

2003 Mazda 3 AC Relay Won't Close

I have a 2003 Mazda 3 with a strange issue. The AC wasn't working, and I found that the relay wasn't closing when the button in the cabin was pressed. The actual relay is fine. I opened up the relay ...
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0answers
4 views

1990 Ford Explorer V-8 A/C

I have the v-8 engine in my Ford Explorer, 2000 year. I bought it with 97000 miles on it. Vehicle was in immaculate shape. Florida car. I had to have the A/C checked, it lost it's cold ness sitting ...
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1answer
45 views

No Cooling and Very Rapid Ticking Noice from AC Compressor

European 98 Mazda 626 2L GF The AC stopped working recently ( no cooling at all, measured at central vent ). When I turn on the AC the clutch engages and seems to stay engaged. The clutch does NOT ...
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17 views

New air-cond for Mazda MX5 Mark 1

I have a 1991 MAzda Miata/MX 5. The air-cond packed in a decide or more ago. Even if I could have it repaired, the CFC or whatever is almost certainly illegal nowadays (bought in Florida, currently in ...
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0answers
24 views

Drove exactly a mile on water in the reservoir. Overheating after coolant added. What could be the problem?

So I drove to the gas station to put air in my tire when I realized I forgot to clamp down a coolant hose going to radiator after working on swapping the alternator. My hood was steaming and there was ...
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2answers
332 views

What happens to car A/C when outside temperature is very low (about 55 degrees fahrenheit)?

I bought a used car and its the first winter since I had this car. A/C in summer was working just fine. But today I saw the outside temperature was about 55 degrees and I turned the A/C to the blue ...
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0answers
35 views

Hearing Rattling Noise When AC Engages

I have a 2008 Honda Civic Si and whenever I engage the Ac and have the car in neutral, I can hear a rattling noise, which seems to be coming from the gearbox. However, If I should depress the clutch ...
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0answers
14 views

AC sound when temperatures adjust

My hyundai i20 AC features like, cooling, heating, fan, blend door, etc etc are perfectly working regardless of whether the temperature is at low, normal, high and fan speed is low, high etc etc. ...
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1answer
84 views

AC compressor noise only when car is hot

I recently noticed that my car is making a consistent noise when AC is engaged. Furthermore I found that this noise occurs only when car is hot. Belt doesn't seem to be slipping. Car is 16 Subaru WRX....
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0answers
682 views

Water sloshing sound from bottom of car

The past few weeks, I have been hearing a water sloshing sound from inside the car. It sounds almost like there is a large-ish tub below the passenger seat filled halfway with water, which then ...
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1answer
14 views

Air Conditioner turns on when turning on the front defrost 1999 Olds Aurora

I have a 1999 Olds Aurora and when I turn the front defrost the Air Conditioner turns on and I can't turn it off. Is that what I want to happen? It doesn't do that on my other 2 cars. How can I fix ...
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0answers
22 views

2010 toyota tacoma AC not working

Blower motor is brand new, tried a replacement just in case and it still did not work. I've got a new diffuser on the wire harness. Lights come on for the ac when I turn the knob on the dash, but the ...
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2answers
2k views

Is it okay or useful to run heat and AC at the same time?

Most cars that I've seen in my life have a heat slider or dial, which goes from coldest to hottest, and also a button or switch that is labelled "AC". When the heat dial is set to cold, turning on the ...
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1answer
44 views

Loss of engine power when AC compressor engages

I have a 2008 Honda Civic Si and it runs great. But, whenever I'm driving at about 6mph - 20mph with the AC on, I can feel a drag in the engine (power loss) whenever the AC compressor engages. The ...
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0answers
41 views

2008 Honda CRV can't change ventilation mode

Heater works great and A/C works great when I turn the hot or cold knob. Once I change blow mode to window defrost it stays there for several days even if I change the settings to other blow mode ...
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1answer
35 views

Vibration When Using Accessories

My car (2002 Honda Civic Type R) has some vibrations when it is on idle. All the vibrations disappear as soon as I get on first gear and take off. There are different types of vibrations that I will ...
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2answers
82 views

Can I replace my AC Compressor myself? 2008 Vauxhall Astra 1.9

On my 2008 Vauxhall Astra 1.9 CDTI my AC Compressor has gone I was wondering how easy it is to replace myself? I'd get the system drained at a garage first. I've included the service instructions ...
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0answers
29 views

AC Clutch Not Engaging After Timing Belt Replacement

Vehicle: 2007 Chrysler PT Cruiser Had my timing belt replaced saturday (Yesterday) as maintenance for the car; everything seemed perfect when I drove it afterwards but the temps outside were chilly ...
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2answers
48 views

Why A/C direction knobs don't have a face/windshield setting

In all cars I've ever ridden since I was a child, the air conditioning controls include a knob or slider to set where the air will blow, and it always has the following five settings: Windshield Feet ...
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1answer
82 views

2007 Subaru Outback - Split AC/Heat passenger side not responsive

As stated I have a 2007 Subaru Outback, with the LL Bean package; no LED screen yet on this one. The AC/Heat has split controls, one for the passenger side and one for the driver. I've always kept ...
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1answer
26 views

What to do about side window condensation

I live near the ocean, so the air is very humid. In the summertime, running the air conditioner causes condensation to form on the outside of all my windows. This isn't a problem for the front and ...
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1answer
161 views

2014 Toyota Corolla AC Issues

Recently got in my car a few days ago and my ac was not blowing air. Previously in the morning the vehicle was used and everything was normal. A few hours later, and for the next few days the ac ...
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1answer
55 views

replacing A/C condenser – without having to drain R134a refrigerant?

The vehicle (Chevy Cobalt 2009) ran over a deer and bent inward the radiator and A/C condenser. I'm going to replace both, however I'm wondering if it's possible to replace the condenser without ...
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4answers
2k views

Would it be harder to install a new AC system if the old one is ripped out already for a long time?

I have a Hyundai Excel 96 sedan, the AC is not working any more. I will eventually have a new AC system installed, but not now because it does cost some bucks. I'm planning to have it removed since ...
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1answer
31 views

AC Compressor issues

My AC Compressor is bad. I work out of town and I can’t afford to have it fixed right now. Since winter is upon us do I need to have it fixed right away?
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1answer
440 views

Adding A/C Compressor oil

I had a new ac compressor put on my 04 Mitsu Endeavor. At that time I didn't know oil had to be put in the compressor but had them put it on anyway. It's not been used since but I want to start ...
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2answers
97 views

How is the liquid refrigerant distributed throughout the system before start

When an air conditioning system is at rest (eg before starting) how is the liquid refrigerant distributed throughout the system? I would think that the expansion valve would remain slightly open, ...
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0answers
24 views

A/C Repair Honda Pilot

I have a Honda Pilot and the AC wasn’t working. Brought it in and they recharged it. A few weeks later, it wasn’t working again so they replaced the condenser. Two weeks later, it’s not working ...
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1answer
369 views

Exactly how much refrigerant is in there?

A concern that comes up regularly when troubleshooting A/C problems is whether an A/C system has too little refrigerant (hello leaks) or too much of it (hello overcharging). The traditional way to do ...
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0answers
15 views

Low End AC is 150+ PSI

I drive a 2012 MazdaSpeed 3. A couple weeks ago I noticed that my AC was blowing hot air. I went to recharge the AC as I figured I may have had a leak and lost coolant but turned out that my low end ...
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0answers
39 views

2006 Chevy Cobalt AC pulley seized?

In my 2006 Chevy Cobalt 2.2liter Ecotech, the serpentine belt broke. I went out and bought a new one and didn't check the pulleys prior to putting the new one on. I haven't changed the belt before and ...
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2answers
61 views

Is PAG 46 compressor oil compatible with a 2006 Touareg W12?

I have a bottle of PAG 46 oil. Is it compatible with the compressor on a 2006 VW W12 Touareg?
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1answer
30 views

How to remove an odor left by mice leaving dry dog food in my vent system. 2008 Honda Civic

I had a bag of dry dog food in the garage and a mouse or rat took an awful lot of it into the vent system, to store it I suppose. The smell is bad. I have removed/replaced the cabin filter twice. I ...
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0answers
282 views

2012 Chevy Equinox A/C Blows Hot and Ambiant Temperature reading Wrong

I have a 2012 Chevy Equinix. 120k Miles. Bought it new. From early on sometimes when we would turn the A/C on it would not blow cold. But if we would take the temperature control knob and turn it from ...
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1answer
19 views

AC compressor stopped working, electrical/program issue

My Ac was working fine untill 2 days ago, I was accelrating normally and then generic error messege appeared on the dash and the AC stopped! (fans and compressor). I tested the fans, they are woking ...
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0answers
75 views

Diagnosing AC performance after repair

Background: Vehicle is 92 Civic with R-12 AC system. Compressor was replaced 2 years ago due to leak diagnosed there by AC technician (not sure if that was actually the problem). All but about 100g of ...
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2answers
68 views

The AC will not get cold unless driving

The fan in front of my radiator is not turning on. my cars AC does not get cold unless im driving over 30 mph. any solutions? 2007 Jaguar X-Type