Where is the low pressure port for a 2005 Chevy Malibu?

The low pressure port for a 2005 Chevy Malibu is located on the air conditioning system near the accumulator, which is situated on the passenger side of the engine compartment. You can identify it by its smaller size compared to the high pressure port and typically has a blue or black service cap. Make sure to check the markings on the ports to avoid confusion when servicing the AC system.