How to recharge the air conditioner

Tiny
KBARTON63
  • 2003 SATURN ION

Air Conditioning problem 4 cyl Front Wheel Drive Manual 147000 miles

which freon air conditioning port do I use to recharge?

I need to know which port the freon goes in. There is a port in the front and one by the passenger-side fender wall. The one in front is smaller than the one by the fender. I have tried adding freon to the front one and it takes it but the air does not get cold. Compressor does cycle?

Thanks for your help :)

Thanks!

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Monday, June 21st, 2010 AT 6:37 PM

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Tiny
2CARPROS KEN
  • ADMIN
  • 9,438 POSTS

Hello,

The low side pressure or charge port is located on the low pressure line. Here are some guides and a diagram (below) to help you get the job done

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

and

https://www.2carpros.com/articles/how-a-car-air-conditioner-works

The diagram below shows the low side hose leaving the evaporator, the low side charge port will be on that hose.

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

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Monday, July 10th, 2017 AT 5:39 PM

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