The low pressure port on a Saturn I200 is attached to the oil filter, which is directly below the vehicle's engine. The pressure port is directly attached to the fuel rail, and just above the fuel injectors.
The 2001 Saturn L200 low pressure port can be found on the air conditioning compressor. The low pressure port will be closest to the front of the engine compartment.
Under the hood
the low side pressure port is located just off the back of the compressor, the highside is located in the line on the side of the compressor body
On the line right at the compressor.
The low side port is at the end of the suction hose on the aluminum located where the end bolts up.......
Please visit my BIO page for a link to my Saturn help site. under cooling and a/c you will find a visual reference as to which connector is the low pressure port
look for the port with the black cap on it, it's the low pressure port.
On the ac system, the low pressure port is the smaller port. It will be located on the line coming from the dryer. The low pressure line is the larger line. it will be on it.
low pressure port is on top of the ac compressor
the low pressure port is right on top of the comperssor
The 1997 Volvo 850 low pressure port is located on the air conditioning compressor. The low pressure port will be on the right hand side of the compressor.
The low pressure port is the one on the accumulator (the canister). The low pressure lines are the bigger lines and the high pressure are the small lines.