Questions tagged [ac]
Questions about Air conditioning systems - other Heating and ventilation questions should use 'hvac'
627
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Chevy Silverado AC produces vinegar smell for first few minutes
I have a 2018 Chevy Silverado that has been running flawlessly since I bought it 3 years ago. I've begun to notice that when I turn it on (after its been sitting for in my driveway for 1/2 a day or so)...
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2answers
45 views
A/C compressor and crank pulley bolt
I have heard something from some mechanics but don't know if it is true or false. They say when you are driving on the highway and your A/C is on, the compressor keeps kicking in and out which puts a ...
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1answer
20 views
Where is the cabin air recirc intake?
Background: I am trying to remove a slight smoke smell from a 2014 Buick LaCrosse. I am taking several steps to get the smell out. This question is really only focused on one of those steps.
Here is ...
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1answer
16 views
2001 Malibu air conditioner won't stay on
When I turn on the AC, I can see the compressor clutch engage, blower motor is running, no cool air. I also noticed about every 5 seconds a light 'clunk' from the area of the compressor. After about ...
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1answer
24 views
'04 Ford Escape A/C is blowing ice cold air while driving but not idling
I own a 2004 Ford Escape V6 2wd, that has good R-134 refrigerate levels, blows ice cold air while driving or when A/C has been turned on while idling (ex. Like sitting in a parking lot) but once it's ...
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1answer
30 views
DTC B1227 - An open in outside temperature sensor circuit - AC not working
I have Acura RDX 2007 and the AC does not work. I took it to dealership/mechanics and they saw that the outside air temp sensor somehow banged condenser and had to replace the condenser. The ...
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2answers
61 views
Will my car A/C cool better if my car's turbocharger is working (above 2500 rm)
Title is self explanatory. I do not know how the car air conditioners or turbochargers really work and affect the power required to be produced by the engine. Can you all help me with it ?
Thanks in ...
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3answers
46 views
Broken AC drain fitting
2008 Toyota Matrix with a broken fitting where the ac condensation drain hose attaches to the evaporator housing. Not being able to run the ac in Texas in the summer is suboptimal, but I'd rather not ...
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0answers
18 views
05 GMC Sierra 1500 blows hot on both sides
Have 05 GMC Sierra 1500...started out it was blowing hot air on driver's side, cold on passenger. If has dual climate control. Recalibrated the system. Still doing it. Has freon. Checked actuator ...
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0answers
18 views
Low pressure port on AC system read too high; compressor won't come on
my AC on a 2000 Nissan frontier has excessive pressure on the low pressure side . The compressor is also not coming on. Is there a high pressure switch that comes on the cuts power to the compressor ...
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0answers
37 views
2009 Pontiac Vibe 1.8l 2ZR-FE stalling when turning on AC on full
Hello Folks…hope you can help.
My daughters Pontiac Vibe stalls when in drive or reverse when the AC is on max. In park it is fine. Parts that have been replaced recently: Rad and fan, coils and plugs,...
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0answers
41 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 ...
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0answers
44 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 ...
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2answers
83 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
33 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 ...
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1answer
36 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 ...
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0answers
18 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 ...
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0answers
35 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.
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2
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1answer
91 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 ...
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1answer
25 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
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1answer
35 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.
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1answer
53 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 ...
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0answers
34 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 ...
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0answers
24 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 ...
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0answers
39 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....
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62 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 ...
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1answer
47 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
794 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 ...
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0answers
14 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 ...
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3answers
229 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 ...
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1answer
102 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 ...
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1answer
48 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 ...
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0answers
24 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 ...
2
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0answers
107 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
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1answer
52 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 ...
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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
44 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 ...
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0answers
191 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 ...
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0answers
311 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,...
1
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1answer
41 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 ...
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1answer
144 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://...
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1answer
44 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?
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1answer
42 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 (...
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1answer
47 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 ...
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1answer
775 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 ...
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1answer
37 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 (...
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0answers
238 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
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1answer
44 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
80 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 ...