Where is low pressure port to add refrigerant

2000 TOYOTA SIENNA
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ALIL566
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six cylinder two wheel drive automatic 160,000 miles.

How can I locate port to add refrigerant to fix AC cooling as it is not cooling enough? I cannot locate low pressure port. High pressure port is very easy to see. That will be nice if you send me a picture. Thanks in advance.
Ali
Jun 8, 2008 at 9:24 AM
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EXSMOGGER
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Use a flashlight and shine it on the rear left side near the wheel well. You will see a cap with an 'L'. Also this video will show you how you can find the port on any car

https://youtu.be/ON2dYcmXIAw

Please run down this guide and report back.
Jun 28, 2008 at 3:07 PM