AC Blows Hot and Cold Intermittently

Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. RB The Mechanic recommends to follow safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, chemicals, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of RB The Mechanic, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not RB The Mechanic

#acdontrok #acblowhot #acstopsworking #acblowswarm #ac #toyotaac #acuraac #hondaac #civicac

[chalitacarrasco]

As a single woman, I appreciate this. Helped me to do the job myself.

[declansgamereview]

On my way back to the repair guy now again (5th time, 3rd different place ). I feel bad for making suggestions to them since they suppose to be the experts but I will try to choose my words wisely. My A/C had quite a few repairs done in the past few weeks. The problem now is that it works perfectly while idling ( hence they pick up no issues ) but whilst driving it cycles on and off ( mostly off ). It is the clutchless type. They already changed the condenser and fixed a leak and also found a blocked pipe ( car had a slight front knock which bent the condensor and a pipe slighthly which led to the blockage theory but I guess there are other issues ). They keep charging me everytime as well and I am honestly running very low on cash. I wish you were my ac guy. Greetings from South Africa

[Slingersbullseye]

A/c vents get clogged and the drain gets clogged and nasty backed up with black mold and debris also everything else mentioned in this video can check filters helps but doesn't help cool it just helps the airflow.

[yogibear]

Hello RB: Thank you for your great video. This is exactly what is happening to my 2012 Chrysler 300C (the A/C blows hot and sometimes cold air.). I took my car into a local mechanic so that they could check to see if it was Freon that was needed. They checked it and said that the recirculatory button was not working and that it didn't need Freon. I received an estimate for what it might be. I will have to save up for it now.

They mentioned three things could be wrong. First, the A/C blend door actuator may be needed. (When I researched this, it says the car would be making a noise. Mine does not.) Second, A/C condenser may be very filthy and may need to be cleaned. (I looked at it, doesn't look dirty, but I rinsed it. Unless it is a deeper cleaning that is needed). After researching, it also said that a noise would be heard. No noise is heard. Third, they could replace the condenser and expansion valve and add Freon (suppose the one in there is removed/lost that they need to add after saying that it didn't need any?). The 3rd option would cost me $628. Thoughts? Should I go with the 3rd option or try the cleaning first? ($75) Again, I don't hear any noises. BTW: Where are you located?

[defaultdefault]

Thank you this gave me a decent understanding, forget the negative comments

[woofwoofdoggo]

Thank you for talking extensively of about possible problems. It's nice that you don't dumb it down. It's a complicated system.

[jeanies]

My 2006 Silverado air conditioning doesn’t smell, but it stops working off and on. Had the coolant replaced and didn’t help. Compressor is fine. No leaks. The fan works fine. When the cold air stops on its own here and there, fan still going, the air seems more humid only then (when the cold quits) and smells slightly wet. It’s started the day I got it back from a fuel pump change… It works fine about 50% of the time.

[frankgonz]

Now this are the tricky problems, this are the good videos

[mdadrian]

Great video that's detailed but very understandable to a lay person. I feel confident to check the line and understand a bit more when I talk to my mechanic.

[LifestyleDJ]

I’m two minutes in and I still have not learned anything to help solve my problem. Thank you for the upload but please get to the point faster.

[val]

Hi sometimes my ac doesn’t come on when it’s too hot outside what could it be?

[carlosvillalta]

I had the climate control knob fixed. Was working ok. I released the old freon and put in autozone ac can. Now it blows hot air. Maybe i just need a good ac service like you said. Its a 2002 highlander.

[thelastbanana]

thanks for your videos !!

i don't know how to describe my Issus with ac i have chevy impala 2014 new model when ever is stop in traffics light its stop working and blow hot air from out side then i have to on and off to make it work again and both fans are work good both speed i have put the right amount with ac machine 680g R134 when its do that in hot days like more then 35C

many people say its ac control valve its the main reason

[thestillroombotanicals]

Thank you so much for this. My ‘14 Subaru Crosstrek is doing this. We recharged it with Freon (no idea how to spell it), but it’s still alternating hot and cold.

So, now I’m thinking it’s maybe the compressor.
I appreciate you taking the time to teach us about our cars. Thanks 🙏

[danielploy]

Nice presentation… if checking the low side is in green but upper green should some Freon be let out to be in lower green? Sometimes blows cold and sometimes blows cool. Is the entire area of green safe from lower level to upper level and ac would blow cold as normal?

[juanisimothegreat]

condensation my guy that’s what it’s called

[iggyzorro]

that's my problem - good explanations - thanks. another video mentioned that cabin air filter or the ac radiator (condenser?) could be dirty - do you ever find that's the problem?

[j.b.]

Thank you. My car is doing what you describe. Im going to do the checks tommorow.

[shailferns]

My AC makes a hissing sound every time compressor cycles through. It only comes on when driving and more prominent at higher speed. Recently, I noticed that the fan speed suddenly drops, blows hot air and then there is a loud hiss and then cold air starts again. Also noticed the pipe which connects the expansion valve has rust suggesting there must have been quite some condensation around it. I don’t know what the problem can be?

[michaelarustemi]

We had the same problem with Ford F150 2019. AC was on and off out of nowhere. So we decided to refill AC, which cost 450 dollars in Canada. But after fixing we realized that AC blows colder air but after 20 minutes driving. It doesn't work as suppose to. And AC isn't super cold as it used to be. Please what it can be? We don't see any leakage. The car is 2, 5 years new. It is surprising that something got broken so early:(