2013 Chevy Cruze AC Issue... - Chevelle Tech
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post #1 of 11 (permalink) Old Aug 20th, 19, 10:25 PM Thread Starter
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2013 Chevy Cruze AC Issue...

My cousin just had the water outlet replaced on her 2013 Cruze. It is probably just a coincidence, but now the AC compressor will not engage. I checked the fuses today and they are all good. There is pressure in the AC system (maxed the low side gauge on my manifold set), and swapping relays around did not work. We had the car idling for a bit in the driveway (114 outside) and the cooling fan never came on. I did notice that the relay for the AC compressor clutch was pretty warm - the same relays for the cooling fan were not warm.

I could not locate a low pressure cut off switch (I was going to try and jumper it). If anyone has any ideas what might cause an issue like this, your input will be greatly appreciated. Thanks in advance.

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post #2 of 11 (permalink) Old Aug 21st, 19, 12:39 PM
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Re: 2013 Chevy Cruze AC Issue...

Can you check and see if the compressor is getting 12 volts ? Would they have to disconnect anything or move the compressor to get to the water outlet ?

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post #3 of 11 (permalink) Old Aug 21st, 19, 1:05 PM Thread Starter
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Re: 2013 Chevy Cruze AC Issue...

Quote:
Originally Posted by BillK View Post
Can you check and see if the compressor is getting 12 volts ? Would they have to disconnect anything or move the compressor to get to the water outlet ?
Getting to the compressor is not the easiest. Nothing AC related had to be disturbed during the water neck work (they are at opposite ends of the engine from each other). The only thing that was unplugged for sure was a water temperature sensor, and possibly the O2 sensor.

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post #4 of 11 (permalink) Old Aug 21st, 19, 8:57 PM
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Re: 2013 Chevy Cruze AC Issue...

When you turn on the AC inside the car you are making a request to the PCM, not actually turning it on. If the fans are not coming on neither will the AC. Same with system voltage, if the PCM detects low voltage the AC will not work. Learned this the hard way working on my son's Firebird. Spent hours troubleshooting possible AC issues. The battery was starting to get low from all the starts, turned out the alternator was only keeping the battery at minimum charge. Charged the battery, replaced the alternator and the AC started working on it's own.
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post #5 of 11 (permalink) Old Aug 21st, 19, 9:40 PM Thread Starter
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Re: 2013 Chevy Cruze AC Issue...

Quote:
Originally Posted by Philip View Post
When you turn on the AC inside the car you are making a request to the PCM, not actually turning it on. If the fans are not coming on neither will the AC. Same with system voltage, if the PCM detects low voltage the AC will not work. Learned this the hard way working on my son's Firebird. Spent hours troubleshooting possible AC issues. The battery was starting to get low from all the starts, turned out the alternator was only keeping the battery at minimum charge. Charged the battery, replaced the alternator and the AC started working on it's own.
The battery is relatively new, but I guess I can check to see what the voltage is, then start it up and see what the alternator voltage is. This car has the alternator with the 'clutch' on the pulley, so it is not engaged all of the time.

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post #6 of 11 (permalink) Old Aug 22nd, 19, 7:42 AM
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Re: 2013 Chevy Cruze AC Issue...

I'd troubleshoot the cooling fan issue first, maybe start with swapping relays around, or grabbing a few new ones.

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post #7 of 11 (permalink) Old Aug 22nd, 19, 8:28 AM
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Re: 2013 Chevy Cruze AC Issue...

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Originally Posted by Pioneer4x4 View Post
I'd troubleshoot the cooling fan issue first, maybe start with swapping relays around, or grabbing a few new ones.

There might not be a problem with the cooling fan. In the newer cars there is no rhyme or reason as to when they come on. They are controlled by the various computers and might not be running when we think they should be.



What needs to happen is to get the proper service documentation and find out exactly what should be happening when you turn the AC on. Then troubleshoot it from there.
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post #8 of 11 (permalink) Old Aug 23rd, 19, 7:23 AM
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Re: 2013 Chevy Cruze AC Issue...

Quote:
Originally Posted by WakkoWarner View Post
...We had the car idling for a bit in the driveway (114 outside) and the cooling fan never came on...
Quote:
Originally Posted by BillK View Post
There might not be a problem with the cooling fan. In the newer cars there is no rhyme or reason as to when they come on. They are controlled by the various computers and might not be running when we think they should be.



What needs to happen is to get the proper service documentation and find out exactly what should be happening when you turn the AC on. Then troubleshoot it from there.
I get it, but idling in 114 temps should get it plenty hot for them to eventually kick on, I would think. Also probably a good idea to get a OBDII scanner and actually see the real temps reported to the car.

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post #9 of 11 (permalink) Old Aug 23rd, 19, 1:06 PM
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Re: 2013 Chevy Cruze AC Issue...

probably half a dozen things need to be crossed off the list for that A/C to come on. Fans, coolant temp, low and high pressure switch...etc. Jumping a compressor these days isnt quite as easy as it used to be.
The "newest" car i had in a while was a 95 Impala SS. I know there where actually a couple different coolant sensors/switches and i think it was that one worked the fans, and the other was for the PCM. So maybe there is a temp switch they didnt connect back up after the repair?
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post #10 of 11 (permalink) Old Aug 23rd, 19, 9:51 PM
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I had to replace the compressor on one not too long ago for a bad clutch. It was not a cheap one!

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post #11 of 11 (permalink) Old Aug 24th, 19, 10:33 AM Thread Starter
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Re: 2013 Chevy Cruze AC Issue...

The compressor was bad. Her mom paid a shop to replace it (I think the cost was outrageous), so she has AC again.

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