Where is low pressure ac port on Lexus es 350?

The low pressure AC port on a Lexus ES 350 is typically located on the larger diameter aluminum line, which runs from the compressor to the evaporator. It is usually found near the front of the engine bay, often near the passenger side. You can identify it by its larger size and a plastic cap, usually colored blue. Always check your vehicle's manual for specific diagrams and locations.