Low pressure port

Tiny
DICEWATCHER777
  • 1996 PONTIAC GRAND AM

Air Conditioning problem 6 cyl Front Wheel Drive Automatic 165000 miles

I cannot find the a/c low pressure port in my engine. Where is it located?

Sorry to be such a dumba** but I am having trouble orienting the diagram to my engine. Does FRT mean the front of the car? On which side of the car are the a/c hose routing and service ports located? If you could tell me where this diagram is in relation to the overflow container where I put in antifreeze, that would help. I also know where the battery is, where the oil dipstick is, where the power steering fluid goes--if you could tell me if this diagram is near any of those things that would help me find it. Also, does the port have a cap on it? Again, sorry to be such a pain but I am a helpless woman with limited mechanical ability.

Thanks so much.

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Friday, July 23rd, 2010 AT 10:31 AM

1 Reply

Tiny
2CARPROS KEN
  • ADMIN
  • 12,184 POSTS

Hey Dicewatcher777,

The port will be just behind the compressor.

Here is a guide that will help you recharge the system.

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


http://www.2carpros.com/forum/automotive_pictures/12900_sp_21.jpg



Please let us know what you find so it will help others.

Best, Ken

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Sunday, December 4th, 2016 AT 9:28 PM

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