Questions tagged [ac]

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

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2 votes
1 answer
1k views

2003 Toyota 4Runner blinking a/c light - hot air

Blinking A/C light on my 2003 Toyota 4Runner. Must have a slight leak, I would add refrigerant from a can and be good all summer. This year although I replaced the A/C relay the a/c light on the dial ...
4 votes
1 answer
2k views

One side of 2015 VW passat gets cold air and the other side hot

Good day, I have a 2015 VW Passat. TSI engine 1.8. In the defrost duct on the instrument panel flap adjust motor is down in the open position. This is causing frost on the outside of the windshield....
0 votes
2 answers
77 views

A/C malfunction

What could cause the pipe out the compressor of the car to be too hot, I mean too hot to be touched with a bay hand, while the pipe after the condenser is slightly warm or rather normal.Then I noticed ...
2 votes
2 answers
174 views

Ac in van is blowing hot air but condensation is dropping

Is there a reason why condensation would be dripping from a van that isn't blowing cold when the AC is set to Max and recirculate? It's a 99 Chrysler Town and country. It is a manual temp control unit....
1 vote
0 answers
20 views

bypass the ac compressor with shorter serpentime belt

I have a 2020 Kia Soul LX 2.0 liter 4 cylinder I'm trying to bypass the AC compressor due to its failure what size belt do I need to use
0 votes
1 answer
19 views

2016 Traverse-OBDII readiness check

My air conditioner does not come on because I have a pin hole in the rear line. Will this affect performing a cycle to get the sensors to read
1 vote
1 answer
150 views

AC compressor replacement

I replaced my AC compressor and wanted to know if I can run it without haveing the AC on.........I replaced the AC compressor myself and need to take it to get vacuumed. I wanna know if I can drive it,...
1 vote
1 answer
245 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
1 answer
88 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 (...
1 vote
0 answers
22 views

What is the difference between different classes of AC Compressors?

I am replacing the compressor in a Mercedes W211 E55 AMG. The original part had a solenoid without an integrated diode, but the matched replacement did, so it is incompatible and would not start, ...
1 vote
1 answer
164 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 ...
0 votes
1 answer
66 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 ...
0 votes
3 answers
10k views

2015 Nissan sentra- a/c only blows cold at highway speeds

I have a 2015 nissan sentra. When i first got it in 2015 it had one of the best ac systems i had ever had the pleasure of using, like too cold in 105 degree heat on the minimum setting. Then after ...
2 votes
2 answers
1k views

2012 VW Passat dual AC zones partially working

My 2012 VW Passat SEL has dual AC Zones. The driver's side is working fine. Hot and cold air. However, the passenger side AC is blowing what seems to be the outside air (on the really hot days it ...
0 votes
1 answer
671 views

Dash AC does not blow e350

I have a Ford e350 van that does not blow out the dash vents but bows in the rear. The AC compressor is engaged. If I have the rear AC off and the front on (not blowing of course), I can get it to ...
0 votes
2 answers
138 views

AC quits after ~15 mins

I have a 2007 Honda CRV and after about 15 mins the AC will stop working. Before the AC will start to work again, the care must be turned off for a few hours. Took it to a car shop to have it looked ...
1 vote
2 answers
132 views

when is a/c pressure too low

Last fall I noticed a small hiss when starting the a/c. I looked around the system and noticed a thin film of oil/dirt around the high valve. I guessed my high pressure shraeder valve to be leaking ...
3 votes
2 answers
814 views

Can power steering groan be caused by load of AC compressor?

Car: BMW 2007 530i (N52 Engine) 210,000KM Details: Single accessory belt for AC, Power Steering, Alternator AC is clutchless variable displacement Tensioner and idler pulley's replaced Problem: ...
0 votes
1 answer
2k views

Why does my car AC vents blow hot air when AC is switched off?

I bought a new car in the month of April 2019 but from the past few weeks, I have been experiencing very very hot air coming from all the vents. The temperature is high to an extent wherein it ...
0 votes
1 answer
67 views

Strange rattling/ticking noise at 90-120+kmh

I have a 2008 Chevrolet Caprice similar to the Holden caprice and also the G8 and also the PPV ect. There’s a ticking/rattle noise from the car when the car reaches a speed of 100+kmh. If I’m sitting ...
2 votes
1 answer
231 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 ...
0 votes
1 answer
113 views

Intermittent A/C 1994 Toyota Corolla

Symptoms Refrigerant is not low. I repeat - refrigerant is not low. A/C is not "freezing" up. A/C works every morning. Turn off A/C or stop and get gas after engine is running for 5 minutes and hit ...
0 votes
1 answer
132 views

Broken wire connector

The plastic part of the plug that my ac clutch connects to is broken. I cant get it unplugged. Im trying to change ac compressor in 04 kia sorento. I need easiest way possible to fix this
0 votes
1 answer
107 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 votes
1 answer
293 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 ...
1 vote
1 answer
145 views

2008 Ford Focus - My AC turns on and off fairly rapidly when driving slowly or stopping

how is everyone? I have a little problem, so when the AC is turned on and while driving slowly or waiting in traffic it repeatedly shuts down and turns back on blowing normal temperature air (same as ...
0 votes
2 answers
202 views

Ac noise 2006 Honda pilot

I have a 2006 honda pilot I've put the can of recharge in my ac itll get cold but when I cut the car off you hear a hissing noise coming from the glove department what can it be?
2 votes
1 answer
108 views

Heat Pump vs. Air Conditioning -- Especially in EVs

My understanding is that a heat pump (as a heat source) is essentially an "air conditioner running backwards" -- given that, and since air conditioning is an (almost) universal feature in ...
1 vote
1 answer
2k 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....
1 vote
1 answer
88 views

Was charging the a/c and the pump engaged but just warm air came out

Put a vacuum to the a/c then charged it. It took 1.5 of the 2.5lbs it calls for and so I fired it up and turned on the a/c. The pump engaged but the air was still warm and the pump got real hot, too ...
1 vote
1 answer
1k views

A/C clutch spins but doesn't engage compressor

A/C clutch rubber blew out on my last a/c compressor so I replaced the compressor and had the system recharged. Now the clutch will start spinning when a/c is turned on but wont engage the compressor. ...
1 vote
1 answer
49 views

AC compressor clutch air gap gets wider by itself after bearing and shaft seal replacement

My parents' 2014 Chevrolet Spin Diesel compressor shaft seal was leaking. We replaced the seal and shaft's ball bearing (located between the seal and clutch plate), add about 44mL PAG oil into the ...
0 votes
1 answer
267 views

Fairly new, newly-charged compressor keeps cycling on and off

2005 Mazda 3, A/c compressor and condensor replaced less than two years ago. Last summer I noticed the A/C keeps cycling on and off repeatedly. I have had the unit charged, emptied, charged again, ...
0 votes
1 answer
302 views

How to find out if my car AC needs extra oil and how much to top up?

My car AC has been dead for a couple of years now and I was wondering the following things: How could that affect the AC oil level? Is there anything I should be worried about considering my AC ...
0 votes
1 answer
32 views

Car AC temperature setting

Since I live in India, and ambient temperature always around 30°C; I always keep the AC running at 24°C in Auto mode in my 2016 Suzuki Baleno. But recently my AC compressor clutch got damaged, and the ...
0 votes
1 answer
42 views

2000 Buick V6 want to remove the air conditioner

I want to remove the exterior air conditioner parts from the motor because it’s in a convertible (compressor/radiator/hoses). Do I need seal the hose or anything else to worry with ?
1 vote
1 answer
94 views

2004 Mazda 3S A/C cuts off when accelerating

My 2004 Mazda 3S 2.3L Hatchback A/C has recently started cutting out when you accelerate. When its idling A/C works fine. When I say cut out I mean the compressor cuts off and on while accelerating ...
0 votes
1 answer
360 views

Can R-410A refrigerant be substituted for R-134A in cars?

Can R-410A refrigerant be substituted for R-134A in cars? Figure1-4:R-410A of Refrigerant Charging and Service Procedures for Air Conditioning
8 votes
3 answers
2k views

A/C not cold when idling

I have a Honda Odyssey 2019. The a/c blows ice cold… as long as I am actively driving. Once I come to a stop and begin idling, the air is no longer cold. Of note, I can get the air to be a bit ...
2 votes
1 answer
657 views

I have a 2016 Hyundai accent sport, car dies when it's idling and the A/C is on

The car runs fine otherwise, just shutters and dies if the A/C is on and I'm idling. I put in new plugs and a purge valve, but the check engine light keeps going on and off over the past year. I ...
0 votes
0 answers
16 views

2011Chevy Equinox the automatic Temperature control quit functioning! The ac and heat quit ,I’m manually making the heater work and ac quit!

2011 Chevy Equinox lt 2.4 FWD HVAC ! The temperature control switch quit functioning making it heat only! The ac completely quit. I make the heater work manually!
0 votes
1 answer
46 views

Mini Cooper R56

After changing the compressor, the compressor no function, I have refuel the refrigerant R134a into the system, but the compressor coil is not working which mean there is Currant to the compressor ...
0 votes
2 answers
56k views

White smoke coming out of vents

Yesterday I was driving my 97 Accord down the highway with the air conditioning turned on. It started raining heavily for a little over 5 minutes, and then the rain stopped. Suddenly, what appeared ...
1 vote
1 answer
356 views

Freon leak around dryer -Honda Accord 2000 SE

after I turned A/C, engine room started smoking and it turned out it's coming from the leak around the receiver/dryer of A/C. There are two pipes to it. unsure which is high or low but I tried to ...
7 votes
5 answers
42k views

What's ECON and how is it used properly?

I drive mostly Asian cars which mostly have an air-conditioning interface consisting of a button saying "A/C". This makes sense to me since it's short for "Air Conditioning" (assumption :)). Also the ...
0 votes
0 answers
18 views

I have a problem with my A/C Econ light

2006 Audi A4 Quattro 3.0ltr V6 diesel, ECON light comes ON and after a while switches off by itself, and whilst is OFF by pressing the button it does not switch off. Is it connected to loss of power ...
1 vote
2 answers
89 views

Recharging A/C - adding oil, UV dye, & stop leak

So my car broke down due to a transmission cooler line leak. Had it towed to a shop where they diagnosed the issue, replaced the cooler lines and at their recommendation replaced the radiator. I pick ...
5 votes
1 answer
10k views

2006 Jeep Liberty - AC clutch won't engage

The AC clutch on my Jeep Liberty 2006 won't engage. Here is what I have checked so far. Fuse 14 in the passenger cabin 21 in the engine compartment are ok AC relay ok When I jump the AC relay I ...
1 vote
2 answers
550 views

What happens if you disconnect the AC lines from the compressor?

I'm watching this repair video that replaces the AC Compressor and I'm exploring how feasible it is to just replace the o-rings on the hose and compressor side of the AC Compressor's ports. I'd like ...
1 vote
1 answer
172 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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