Questions tagged [ac]
Questions about Air conditioning systems - other Heating and ventilation questions should use 'hvac'
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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
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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 ...
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Does my refrigerant recovery machine have a leak if the vacuum is lost over several hours?
I'm attempting to do some DIY car repairs from my driveway, and need to remove the vehicle's AC condenser. To do so, I need to evacuate the r134a refrigerant from the AC system. Apparently it is the ...
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Clutchless AC compressor ( ECVDC ) driving with no gas?
These externally controlled variable displacement compressor's dont have a clutch and the internals are apparently always moving.
Whats to stop (does) it just damaging/destroying itself if the system ...
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Does running the engine without using air conditioner significantly influence battery life?
Is there a tangible benefit to never using the air conditioner and will doing so increase overall battery life ?
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What is this thing here the AC is not working because of it?
I bought a Hummer 2 limo 2009. The AC stopped working and they traced that it's this thing that got burnt. We checked our local spare parts dealers and they don't know what it is, there is no writeup ...
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A/C not cold on highway
Ac not blowing cold when driving on highway. 2006 scion XA with a fresh r134a recharge. Ac blows cold idling and around town, but when driving on highway (>50mph) ac blows totally warm. Cools down ...
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What's going on with the "temperature" part of this pressure gauge?
Ok, I think I finally understand the pressure bit of this gauge that came with this set of poorly documented hoses I got off Amazon. From 0 to 350, it's actually measuring pounds per square inch (PSI)....
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How to diagnose AC blowing warm air
I've got a 2007 Hyundai Elantra that's got a mostly-functional AC, but consistently blows warm air when at lower speeds (or idle) on warm days.
So far, I've tested the following:
I press the A/C ...
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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. ...
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What belt can you use to bypass the ac compressor on a 2003 Honda accord 3.5 6cyl
Not sure if there's even an option. I can't find a bypass pully for it. The way the 03 is set up not sure if there's a way to run a smaller belt.
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Ford A/C issues
2007 Ford Explorer Limited.
When I run the A/C cold air comes out on drivers side but it comes out on the passengers side. Please help.
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What else could I do to fix R134a AC Valve?
My 2013 Hyundai Tucson had been leaking refrigerant and lasted only few days.
I put in the dye, UVed it to find refrigerant all over the low service valve.
After replacing valve core, the refrigerant ...
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2008 ford explorer ac fast cycles
I have a 2008 ford explorer Eddie baur edition 4.0, the ac works awesome for about 20 to 30 minutes, then t will start rapid cycling, new compressor, new accumulator, new orifice tube, full charge, ...
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Help to diagnose A/C failure? Ford Tourneo with Forscan OBD
The A/C in my car doesn't work, before any repair, I try to understand which part in the A/C system is the problem.
Here the symptoms:
Everything looks fine: no error message, the interior ...
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2014 Tucson ac fan wont go to high
Thanks in advance. My 2014 Tucson ac fan will. Not shift in high mode. I replaced the fan which had a new resistor. I have switched the 30 amp relay still no help. Any help? Thanks
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Can I turn on the A/C Unit in a car using the OBD-II Port while it is off?
I want to know if it is possible to turn on the A/C unit using the OBD-II port in a car even if the engine/car is off. Is the OBD-II port capable of doing something like this, or is it only used to ...
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Idling motor and running AC for 4-8 hours in 100 degree heat?
Ok so I go to a lot of music festivals in the summer, stay up all night, then try to sleep during the day. A buddy swears by just idling his van engine and blasting the AC, like for 4-8 hours when it ...
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Is an F-Gas certificate required to operate an automatic Aircon charging machine? (UK)
In the UK is it required by law for an operator in for example a local garage, to hold an "F-Gas" certificate in order to operate a fully automatic air conditioning refrigerant refilling ...
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Corolla RPM moving down (shakes) when AC on
I have 2018 Corolla XSE at 55000 miles. I recently started driving long range on highways and using the AC constantly. I noticed that when I come to red light/stop, RPM Lowers down than normal, and ...
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Mazda 3 2015 ac not working
My Mazda 3 2015 ac is blowing hot air and my radiator fans aren’t turning on. What could be the issue?
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No air coming from footwell vents. VW Passat
I'm facing a problem where no matter what button I press I can't get any air to go to the floor vents.
Whenever I press the according button air starts coming from the middle vents that's above the ...
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Ac compressor or bad hoses
Ac stopped blowing cold air, I was told we needed a new ac compressor. We got it replaced and now it's leaking bright green fluid. Took it back to the dealer they now said its coincidental that the ...
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Why would a clutchless A/C compressor cause the output air to cycle between cold and warm?
2010 VW Jetta, 110k miles or so.
I recently had my A/C system looked at. It cycles between cold and warm air when running under normal conditions (and by "warm", I mean the same temperature ...
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Skoda Fabia AC not cooling after 35-40 minutes
My 2008 Petrol skoda fabia does not cool after 35-40 minutes. The Ac blows out air but it's not cool.
Last year I had changed the compressor and condenser and the problem started since then.
Earlier ...
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Advice before recharging car's AC with DIY kit and additives
Following a very costly surgery, I'd love to save several hundred bucks with a DIY kit for the car's AC system. A recent shop diagnostic discharged the line and also determined a leak near the high ...
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Two A/C clutch diodes?
'07 Cobalt. A/C clutch fuse was blown. The clutch circuit now reads open to ground, so it seems something catastrophic happened. I am considering what a repair would involve.
The schematic (below) ...
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2017 Kia Sorento Dual Climate - how is it suppose to work
When I start my AC on low for both sides, air is blowing cold as expected. When I turn driver side up to say 72 degrees, it seems like the passenger side gets a little warmer but I don't think 72 ...
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My car A/C lost all of its refrigerant
My car lost all of its refrigerant. I went to mechanic he checked my entire ac system for leakage but couldn't find any. He pressurized the cooling coil and also compressor but he couldn't find any ...
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Vehicle AC works initially, but after driving for a while (hour+), the airflow drops to the point being ineffective
I have a 2004 Ford Excursion with the 6.0 powerstroke. Most the time, the AC works fine, but after a long drive in hot weather, the front AC barely blows out of the vents. The rear works fine, in fact,...
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My kid dropped my cigarette lighter inside the car AC window
My kid dropped the cigarette lighter inside the car AC window. It's a 2006 Ford Fiesta. Is it okay to drive? Or do I need to immediately take it to the garage?
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I have a 2012 dodge journey and the a/c has to always be on and I wrecked the a/c condenser and radiator what do I need to refill for the a/c to work
I'm trying to fix my 2012 dodge journey I hit a boar and dented the radiator, the radiator fan, and a/c condenser all of the fluids drained out on the count of the crash and I'm trying to fix the a/c ...
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No cold air - AC Compressor clutch engage with LP side 0 psi
No cold air
AC Compressor clutch is engaged
Low pressure is "0"
tried to add Freon and immediately jumps to 150 psi
relieve pressure and again immediately back to 0 with clutch still engaged
...
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Ac low pressure side is high and high pressure side is low
Last year the car started to blow the air a little warmer. I went to Walmart picked up one of those cans with the little gauges on it. The gauge said I was low so I filled it up. I had ice cold AC ...
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Will running engine after replacing A/C components ruin the new compressor before system is recharged with freon/oil?
I have replaced the air compressor (which came oiled from factory), condenser, evaporator, and expansion valve on a 2002 Honda CRV. I also replaced the alternator.
I want to turn the engine on to ...
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Troubleshooting and diagnosing a car ac system
I have a 2014 Lexus RX350 that doesn't blow cold air. The clutch never tries to engage on the compressor and the condenser fan never runs. Static pressure was about 100 psi (the garage was 85' f) on ...
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Replace radiator
In changing a radiator in a 2005 GMC Canyon with a 3.5, 2 wheel drive. Can I get the radiator out without opening any lines on the AC unit. Can I get the AC condenser off the radiator without opening ...
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Is my car ac condenser clogged?
I hosed down the condenser in my car today to see if it improves my ac
What I realized is that the water didn't dry on some certain spots like the rest of the condenser.
The top and the sides were ...
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A/C Fan Does Not Turn Occasionally on 2018 Jeep Grand Cherokee
Every once and awhile my A/C fans don't turn on in my Jeep. I'll turn off the A/C and turn it back on, adjust fan speed, and they still don't turn on. I'll turn off the car and turn it back on with no ...
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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:
...
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After Change Evaporator had hissing sound from AC vent
I have Mitsubishi Outlander 2016, I have cooling complaint So, I took to garage the technician checked and said there is leakage in evaporator have to change.
After changed the evaporator while AC on ...
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Clicking sound on left side of dash possibly related to AC
So I got a new car some weeks ago. It's a Renault/Dacia Duster 2021. During the past week I took it on a long trip and reached the first 1000 km. During that trip I started noticing a clicking sound ...
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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 ...
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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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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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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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'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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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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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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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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