Air conditioning not cooling

Asked by GuruTQHS3 Jul 07, 2018 at 10:56 PM about the 2013 Nissan Altima 2.5 S

Question type: Maintenance & Repair

I own a 2013 Nissan Altima S I live in Texas and it’s always
hot. And of course my a/c is out. I’ve had the compressor
condenser, cycling switch, o rings and the low pressure
Suction line all changed out. The guys at the shop are
bummed out and clueless to what it could be. I’ve spent
to much money on this and can’t afford the dealer fee.
Anyone have suggestions?

27 Answers


I just replaced the same parts on my friend's 2013. Still not cooling right. High side pressure too low at 150 PSI, low side pressure too high at 75 PSI. It looks like there is a problem on the high pressure line that feeds the evaporator in the dash, and not providing the restriction needed to drop the low side pressure to about 40 PSI. I will check this soon and hope that's it.

31 people found this helpful.

Did you replace the thermostatic expansion valve in the firewall

13 people found this helpful.

Same issue here and there is aTech told me maybe compressor control valve Or expansion valve.

12 people found this helpful.

The most common problem with this particular compressor is usually not a failure of the compressor itself. Instead it may be due to a faulty control valve. Along with cooling loss, common symptoms include air from the vent that is merely fresh or even somewhat warm. Suction pressures will be above normal, anywhere from 45-80psi, while the discharge pressure will remain somewhat normal or below normal. This electronic control valve is located on the rear/bottom plate of your compressor with a 2 wire detachable plug.

41 people found this helpful.

Change out the compressor control valve it completely fixed issue with my 2014 nissan altima. Bought the part on Ebay

25 people found this helpful.

I have a 2016 and it’s doing the same thing, where is the compressor control valve located?

23 people found this helpful.

I'm having the same problem on my 2014 Nissan Altima. It only has 50K miles but AC wasn't getting cold; Took it to dealership they told me $1200 to replace the compressor. I paid them the $1200 and it is still not getting cold. I was so furious. However, Never did say anything to the dealership; just figured I got ripped off; My daughters 2013 Hyndai elantra A/C runs way better; I'm thinking I need to go back to the dealership and say something. It hasn't been a year. I don't want to deal with another hot summer.

10 people found this helpful.

If you've lived long enough you'll realize that mechanics in dealerships are only good for replacing parts. They even have the nerve to tell you that it's fixed and working correctly even though you know better. Better to develop a relationship with an independent mechanic. The alternative in this case is going to an automotive AC business that works on this stuff all the time. They are NOT cheap.

11 people found this helpful.

That's not correct. We're good for fixing all the crap you tear up because of ignorance.

24 people found this helpful.

I followed the recommendation of changing the compressor control vale and that was the fix! I know this is an old thread but I had to add my experience to hopefully help someone else. The a/c was blowing nothing but hot hot air. Had the a/c system drained, changed the valve, (which is easy to get to - it's underneath the car, right side), Took about 10 minutes. t's held in by a snap ring. Now my a/c works like brand new again. Thanks to all who suggested changing that!!

47 people found this helpful.

I'm having the same issue here, will look for the location of the control valve, I'll hope it's the fix, as mine has been blowing pure heat in this weather! Is it a necessity to drain the AC system to replace the valve?

9 people found this helpful.

Im having the same issue as well i have a 2014 altima. I changed out the compressor and tried to put freon in but it doesn't take and the gauge says see tech

4 people found this helpful.

im having a problem with my 2009 Nissan Altima 2.5s the ac is blowing hot air ive replaced the compressor/ ac pressure switch/ drier checked all the fuses I could reach ive recharged it as well and still nothing I need help asap

3 people found this helpful.

If your Ac is warm at idle, takes forever to get cold and you have to keep it low to feel cool a new refrigerant control valve solenoid will probably fix that. The RCV will get weak or die messing up your AC, my 2014 Altima exhibited all these issues and manifold gauges showed that my low side would never get below 50psi no matter how much refrigerant I had or what the high side did. This valve is a known issue and the mechanics would have you replace the whole AC instead of this easy fix. This valve is clearly accessible from under the car on mine I just drove up on mini ramps and was able to remove directly with snap ring pliers, you need to have ac evacuated 1st of course. There are guides on youtube to assist. After I switched valves and refilled it was like getting a new car, ac comes to life quickly now and is almost too cold!

22 people found this helpful.

I referred to this thread as my vehicle was doing the same thing. I had the compressor control valve replaced and my ac is back to working. I have a 2013 Altima

10 people found this helpful.

It should be noted that its the SV/SL models that have a replaceable ac solenoid the S/Base models dont have it.

26 people found this helpful.

Where is the expansion valve located on 2013 Nissan Altima ?

1 people found this helpful.

Same here 2013 Altima SL. When it would get over 100 it would not cool. At lower outside temperature it would cool but it was not cold. Low side was around 65 psi, after I replaced the valve it was at 45 and cooled like new again at all temperatures.

4 people found this helpful.

Part is located at the back of the compressor. Easily accessible by lifting the car up on the front passenger side. It's held in by a snap ring,

7 people found this helpful.

Thank you for this page. I have a 2013 Altima and I had all these symptoms. Seems like car was ok at Temps below 80. After that the only way I would get any kind of cool air was when I was driving. And even then it wasn't great. Took it to a shop and they replaced a valve which I assumed was the ac compressor control valve but it was the block type expansion valve and I was still having issues. I bought it on ebay and took it to another shop and got it put in. Works great.

5 people found this helpful.

Does anyone mind sharing the price they paid to have a shop install the part assuming I supply the part? Just checking to see if I want to do this myself or have a shop do it.

2 people found this helpful.

whatever they charge is prob too much you can get main tools loaned for free at autozone. aside from a way to safely lift the front of the car "I had basic ramps" you'll need snap ring pliers to get valve out, then for refilling a manifold gauge, vacuum and refrigerant cans with a can tap to feed it in. this really isnt hard you need a few hours because of needed time to do a proper vacuum and test which im sure your mechanic would skip. watch this.

7 people found this helpful.

same as this guys car just watch

4 people found this helpful.

I can confirm that the compressor control valve is the problem. Dealership said to change the compressor for $1300. No way. Bought the control valve on ebay, took it to a mechanic. At first he said that's probably not the problem. I told him just replace it. Only reason i didn't change myself is because i didn't want to deal with Freon. He changed it out and noticed that the low side pressure was a lot better. AC blows freezing cold now even in 100 deg Texas weather while idle. Bought the part for $33 on ebay. Autozone has it listed for $83. Mechanic charged $120. Total cost $153. Ladies and gentlemen, for less than $200 you can solve this problem. Sad that Nissan has not cone out in the open to acknowledge that this valve is the problem. People busy wasting money changing out the compressor.

7 people found this helpful.

So what is the fix for an S model that doesnt have that solenoid?

33 people found this helpful.

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