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A/C not working

Tiny
MRZAZA
  • MEMBER
  • 1996 OPEL VITA
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Hi to all,

I am having a problem with my AC. I tried everything but still not working. There is no leak, the compressor is good, filters is clean, Freon is good. It is giving me normal air.
Any ideas?
Sunday, July 8th, 2018 AT 11:56 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi and thanks for using 2CarPros.com.

I need to know if the AC compressor is engaging when you turn the system on. If it is not, suspect too low or high pressure in the system. Also, if you have gauges, could you let me know what both the high side and low side pressures are.

Here is a link that reviews causes of the AC not working:

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

This link reviews the process of evacuating and recharging the system.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

If you find that the compressor does engage when the system is turned on, suspect a faulty blend air door which determines the air temperature that enters the vehicle. Here is a link which describes the component as well as a general description of how to replace it:

https://www.2carpros.com/articles/replace-blend-door-motor

I hope this is helpful. If you could provide the information I requested, it may help me determine the cause of the problem or at least narrow it down for you.

Take care,
Joe
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Monday, July 9th, 2018 AT 7:50 PM
Tiny
MRZAZA
  • MEMBER
  • 27 POSTS
I do not have gauges but my electrician have examined it when I was trying to fix the AC and he told me reading are what they should be and compressor is engaging, but I do not know if it does as it should be.
One more thing. Do you think engine overheating effects the AC because the heat gauges
is always about 100?
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Tuesday, July 10th, 2018 AT 12:14 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Welcome back.

As far as the air conditioning, if the compressor is engaging and the pressures are correct, it is working. The next thing that can cause the problem is what I mentioned in my last post, the blend air door. This door opens and closes based on if you want heat or AC.

Now, if the engine is overheating, the system will shut down. However, you said the gauge is at 100. If that is 100 degrees F, the engine is not even warming up properly, but again that would not cause the AC issue. Most thermostats on a car will fully open at 195°F. That is the close to where an engine should operate.

I wish I had specific information on your vehicle. This model is not available in the USA. However, I would really like to know what the pressure readings were. That can tell me a lot.

Please feel free to let me know if you have other questions.

Take care,
Joe
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Tuesday, July 10th, 2018 AT 5:30 PM
Tiny
MRZAZA
  • MEMBER
  • 27 POSTS
Thank you for your help.
I will try to send the pressure readings when I have time. The engine heat gauges is 100 c not F and my car model is Opel Vita GLS 16 v the engine was 1400 cc I replaced it to 1600 cc.
The car was made in Germany for Japan it is the same as Corsa b but it came with much more options.
Thank you again for your patience.
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Tuesday, July 10th, 2018 AT 11:35 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I wish I could be more help. If you do get the readings, let me know.

Take care,
Joe
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Wednesday, July 11th, 2018 AT 7:16 PM
Tiny
MRZAZA
  • MEMBER
  • 27 POSTS
Thank you man the information you send was very helpful.
My main problem is that where I live in Jordan in the Middle-East we do not have a real professionals they are all just guessing.
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Wednesday, July 11th, 2018 AT 10:19 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers, Ken
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Saturday, July 14th, 2018 AT 6:25 PM
Tiny
MRZAZA
  • MEMBER
  • 27 POSTS
Hi again,

Why when I remove the fuel cap air comes out and sometimes sounded loud.
Thanks
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Thursday, November 29th, 2018 AT 3:48 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Please post your new question here, you must be logged in.

https://www.2carpros.com/questions/new

Cheers, Ken
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Thursday, November 29th, 2018 AT 10:10 AM

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