Freon

2000 CHEVROLET CAVALIER
139,000 MILES • 4 CYL • AUTOMATIC
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JAMES WARREN
  • MEMBER
  • 1 POST
where is location of low pressure port to add Freon?
Jul 31, 2017 at 1:45 PM
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STEVE W.
  • CERTIFIED EXPERT
  • 15,113 POSTS
Are you sure it needs 134A? How did you test it? If it is empty you will need to use a vacuum pump to pull the moisture out of the system and test for leaks.
https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

There are two ports. The common "hose and can" combo kits will only fit the low pressure port which is the smaller port.
Jul 31, 2017 at 2:40 PM