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Air conditioning charge

(2004 Lexus LS430)
in Glenview, IL on May 02, 2009
How do I locate the low pressure port .
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Popular Answer
on May 02, 2009
Follow the fattest line from the AC compressor. Start at the rear of the AC compressor and follow the wide line (low pressure side) it might be right off of the AC compressor manifold. I know that on other Lexus models the low side port is part of the hose manifold at the compressor. They also had a light blue cap with and "L" on it. Good luck.
on March 29, 2010
The Low pressure line will have a plastic cap with the letter L on the cap which you will unscrew. probably back toward the left rear next to firewall.
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