Questions tagged [ac]
Questions about Air conditioning systems - other Heating and ventilation questions should use 'hvac'
621
questions
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0answers
36 views
AC not working on a 2005 Chevy Sonic
I took my 2015 Chevy Sonic to the dealer because my air conditioner wasn't working. I've had a million problems with this car but it's been under warranty till now. Theyve even replaced the motor. Or ...
2
votes
0answers
38 views
Nissan Tiida a/c airflow dries up after 45 mins
I have a 2012 Nissan Tiida and the a/c works great at startup on all 4 speed settings.
I live in Dubai, and in summer (now) its 45C so its very hot outside. That being said the A/c is great... for ...
1
vote
2answers
55 views
Is there a standard for how much oil should be added after replacing the high-pressure hose and accumulator/drier?
The high-pressure AC hose on my 2003 Subaru WRX has developed a leak, and I need to replace it. I also plan to replace the accumulator/drier at the same time. It appears almost no oil was lost from ...
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0answers
30 views
Automotive AC Diagnosis Chart / Resources
Has anyone found a good automotive AC diagnosis chart? I can find some suggesting pressure ranges, and even temperature and pressure ranges, but I cannot find a good source which also includes ...
1
vote
1answer
31 views
AC compressor clutch snap ring holes covered up by something
I'm trying to get the snap ring out of the AC compressor clutch but the holes on the snap ring are covered up. It seems to come from below the holes and protruding out of the holes. I am leaving ...
1
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0answers
15 views
Cabin fan stops working after car is parked in sun
I have a W204 Mercedes where the cabin fan (fan for heater, and aircon) recently started to not work in specific situations.
In the morning when engine and everything are cold, the fan blows fine, at ...
0
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0answers
34 views
Engine valve cover replacement due to oil leak followed by new, seemingly unrelated, symptoms
A couple of days ago my Chevy Cruze 2013, ~85k miles, had its engine valve cover replaced and 2 cam adjuster magnets resealed, according to the paperwork, due to an oil leak at the top of the engine.
...
2
votes
1answer
77 views
2002 Ford Escape: Flushed system, new compressor, topped off with oil and coolant, still not blowing cold air
It kind of worked last year but barely. Yesterday I flushed the system by
Flushing AC cleaning solvent from the high end out the low end. I did not disconnect the hose but instead pushed the pin in ...
0
votes
1answer
24 views
A/C is not blowing thru front vents
Recently had battery changed....I recalibrated the HVAC but that did not work. There is a possibility that I pushed an A/C button before the calibration was complete. Could this cause the front ...
0
votes
1answer
26 views
Car stalls when ac compresser is plugged in
I have a 2002 buick century with a 3.1 the car stalls while driving when the ac compressor is plugged in but when I unplug it the car runs fine can anyone tell me why it would do that.
0
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1answer
48 views
Is this a non-puncturing refrigerant can?
I finished the job that inspired this question so that others might not have the same trouble, and Jupiter's comment on my answer got me to thinking, "Am I using the can wrong?"
The only ...
0
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0answers
33 views
My car AC only works at night
My 2004 Dodge Stratus’ AC only works at night when it’s cool. It can do both heating and cooling at night but in the day, it won’t push air at all. When it does turn on, it only works on the 2 highest ...
1
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0answers
17 views
Honda Accord losing coolant if aircon is turned on
I have a 2007 Honda Accord Euro all of a sudden now loses coolant whenever I use the aircon. When I drive with the aircon off, the level remains fixed but soon as I drive 20min with ac I realise the ...
1
vote
0answers
25 views
Replacing leaking AC condenser and reciever dryer after 6 years of no refrigerant at all. Do I replace all PAG oil?
I'm in a unique enough situation that I don't think I can trust my research completely. My AC condenser in my 2000 Corolla was dented 6 years ago and consequently all the refrigerant leaked out slowly....
0
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0answers
56 views
What can cause no PAG oil recovered by machine?
We are a small shop, just added a recovery machine (and 609 trained) for customers. A 97 suv was serviced recently. Normally holds 3 lbs, machine recovered 2.8 lbs of R134a. But only a small ...
0
votes
1answer
45 views
A/c gauge temp doing weird. Sky coupe gt 350
I have a gt350 coupe and I know when I am parked with the a/c on it will overheat in an hour, so I need to turn a/c off. But this time while driving the temperature gauge started going down, not ...
4
votes
3answers
746 views
How do race drivers clear foggy windscreens?
I know that, in order to decrease weight, race cars may remove AC and heating systems as these are not essential.
However, when driving, if their windows get foggy due to cold weather, how do they ...
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0answers
34 views
Bad smell from AC
My 2009 Honda Fit was parked for a few months this year. Now when I use the AC, there is a bad smell. It doesn't smell like any mold that I've smelled before (although I know molds can have many ...
1
vote
0answers
12 views
GMC Envoy stalls when air conditioner is on and idling
2004 Envoy only dies when A/C is on and idling if it is in park or neutral no problem. Also will not crank after fueling once started will continue to turn over till refueling again. And service ...
0
votes
3answers
66 views
Tail pipe rattles when AC is on
I have noticed a distinct rattling sound coming from my tail pipe when I am parked and idling. After some experimenting I realized it only happens when the AC is on. If I turn the AC off it ...
1
vote
1answer
70 views
Is AC refrigerant toxic?
I’m looking to buy a small portable refrigerator to take with me on camping trips, and I’ve found one that is designed to plug into automotive power systems and can (presumably) handle the vibrations ...
0
votes
1answer
41 views
Cans of Freon Keep Breaking when Trying to Recharge A/C System with Hose/Gauge Manifold Set for GMC 99 Suburban
I'm trying to recharge my A/C system with a hose/gauge manifold (the red, yellow, blue hoses) after pumping out all the pressure in the system. The problem I have is when I attach a can of freon on to ...
0
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0answers
23 views
2018 Sonata - When my a/c is on it blows out sudden burst of cold air for a few seconds then back to normal
I have a 2018 Sonata that when the A/C is on it has started blowing out sudden bursts of cold air. This only last for a few seconds then it goes back to normal. It will wait maybe a minute or two ...
0
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0answers
12 views
Kia Optima A/C - Add oil or not after changing expansion valve and compressor control valve?
I plan to change the A/C expansion valve and the compressor control valve in my 2013 Optima. After proper vacuum, do I just add r134a Freon or do I need to add oil as well. I’m assuming since I am ...
2
votes
0answers
74 views
2015 Chevrolet Silverado AC blowing hot air?
My 2015 Chevrolet Silverado is blowing only hot air when having the AC on. Looking for possible answers what might be the problem. The compressor is working, because when I add R134a to the system it ...
0
votes
1answer
46 views
Engine vibration when A/C is on
I have a Toyota IQ 2010 model. I bought this car second hand having driven 50,000 KM.
When I bought the car it had power and acceleration issues, it wouldn't even climb a small ramp. Other problems ...
0
votes
0answers
11 views
2000 Ford Excursion 5.4L 2wd
Reduced cold air flow from a/c
I replaced the fan
2 replaced a/c resistor
Clean ac evaporative coil in behind fan.
Cleaned front evaporate coils in front of radiator Both with lye mix commercially ...
1
vote
1answer
37 views
2014 Ford Focus a/c
My partner has a 1.6TDCI 2014 Focus and all was well till the aircon stopped producing cold air.
The system has gas and has no leaks, this was tested by a local garage. The issue is that the clutch ...
0
votes
0answers
169 views
2016 Toyota Corolla A/C not working
I just purchased a 2016 Corolla (15000 miles) in Feb 2020. Went to turn on the A/C and hot air comes out. Took it back to the dealer (which was a Nissan dealer) and they did a few tests and ...
0
votes
0answers
34 views
Help Finding Pin Out of 2011 Hyundai Accent Climate Control
This is a follow up from my previous question. I believe now that the issue is the climate control unit button not actually activating the AC. I changed it over the winter, so I didn't test the AC ...
0
votes
0answers
183 views
Missing fuse cause of no A/C?
2011 Hyundai Accent
I don't know much about cars, so I'd like someone to tell me if this missing fuse could be causing the AC to not activate. It's already been to a mechanic, so I assume they checked,...
0
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0answers
17 views
2012 Cruze a/c not working
I have a 2012 Chevy Cruze and all of a sudden I get in the car and there is no A/C. The fan is blowing just warm/hot air, the A/C pressure seems to be ok , and compressor seem to be running fine but ...
1
vote
1answer
37 views
93-96 Honda Civic a/c problems
Alright guys so I'm having a difficult problem with my a/c system. I'm somewhat of a mechanic so il list down things I've done to try and fix the problem. But long story short my a/c runs great in ...
1
vote
1answer
100 views
2011 Infiniti G25x: water is leaking down from the passenger glove compartment onto the floor
It was raining, and I was driving. I parked my car, and discover the water is leaking down from the passenger glove compartment onto the floor. I have recorded a video to show this problem: https://...
1
vote
1answer
30 views
2011 Ford F-150 Lariat A/C problem
A/C problems. Won’t come on sometimes only when I hit a bump. Could something be loose?
0
votes
1answer
40 views
Sad, whiny, stressed out, constipated noise when AC is on. Is it dangerous?
Another hot one today...
I noticed in my Ford 5.4 v8 1998 van, when my AC is in the process of workin (like in the time between when it clicks on and clicks off), if I'm driving at certain speeds (...
-1
votes
1answer
43 views
AC works better when driving than when not driving
The weather outside today was more muggy than a 20 ounce mug with a pugs mug printed on it... being acquired in a mugging incident.
I mean it was hot. Hotter than a hot place.
So... in my '98 Ford ...
-1
votes
1answer
417 views
R134a added to car AC “upside down”
I had "help" from the manager at the auto parts store who added a full R134a can upside down "cause it's quicker" (and poured liquid into the system instead of allowing the gas to ...
0
votes
1answer
33 views
AC clutch plate on and off
My ac was not working so I installed a new ac pulley, clutch plate, and coil. Now it seems to be working fine again. I notice, however, that the clutch plate engages and disengages fairly regularly (...
0
votes
0answers
162 views
Blower Motor Resistor Smells Like Toaster When on Low speeds
I recently replaced the front blower motor resistor board on my 1995 Suburban. All speeds work fine, but on the two lowest speeds, I smell a toaster smell that is almost certainly coming from hot ...
1
vote
1answer
37 views
Normal AC refrigerant pressure range?
Long story short: the ac of my 2013 Rogue is not working and I am in the process of eliminating various possibilities. One of these is the amount of refrigerant in the system. Hence my question:
With ...
2
votes
3answers
59 views
Nissan Rogue AC Compressor Question
I have a 2013 Nissan Rogue. The ac is not working and I am attempting to fix it by replacing the ac clutch, pulley, and coil. There is something I don't grasp about how the ac compressor works.
My ...
0
votes
1answer
174 views
Is there a cheap way to recover refrigerant from an AC system
I have a car with a leaky AC and had to refill it with refrigerant in order to identify the source of the leak. My luck, the evaporator core seems to be the problem and I have to drain the system ...
0
votes
1answer
26 views
HVAC Flow Control - A/C Won't Blow Through Dash Only
In my 2010 Mazda 3, the switch that adjusts the flow control works generally, but when I adjust it to blow only through the dash vents, it still blows primarily at the feet (the adjacent setting) and ...
0
votes
0answers
45 views
What is going on in the back of my van?
I don't know what the heyl is goin on the back of my van (5.4 v8 E150 1998 conversion style)!
It's a doosey of a conversion van, so you bet there is a whole separate box back there for (I think?) both ...
0
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0answers
25 views
Part from my Ford 2014 C-Max?
My A/C doesn’t work - I found this under the car this morning. Are they related? Is this even from my car?
Thanks for any help
0
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0answers
197 views
2010 Toyota RAV4 air conditioning blows warm instead of cold
Since it's a second vehicle and I don't use it much, I don't really want to spend money on a diagnosis and have been trying to research how I could diagnose (and maybe fix) the problem myself.
https://...
2
votes
2answers
317 views
How much Pag oil should be added after recharging refrigerant?
I have a 2003 Citroen c5 which I bought last year, the A/c system has been empty for refrigerant since before I bought it. I have purchased the necessary equipment to vacuum, and recharge the system. ...
1
vote
1answer
35 views
Can an A/C system cool with just 20-30% charge?
So the A/C in my LR4 was never quite right since I bought it in fall. It worked, but on hotter days it barely cooled at all, but I never got round to it because I had other priorities.
As fall turned ...
2
votes
1answer
38 views
Could there really be THIS massive a leak in my a/c?
I've had problems with my A/C, in particular, my compressor clutch doesn't engage. (2012 Ford Mustang, V6)
I replaced the low pressure switch and even bypassed the relay to ensure that the clutch is ...
