front drivers side of motor you can follow your lines back from the condensor
The Oldsmobile Cutlass supreme refrigerant port can be found on the air conditioner compressor. The refrigerant port will be labeled as the low pressure port.
The freon port is located under the air filter box which is located near the battery on the drivers side. It should be filled in the low side of the ac syatem r-134a adapter should be used and only be able to fit the correct port.
The low side service port to recharge the AC on a 1997 Olds Cutlass Supreme is at the rear of the engine. It is close to the firewall.
On a 1997 Oldsmobile Cutlass Supreme, the low side service port for the AC is behind the engine. It is the larger of the two hoses coming off the compressor.
Remove the airbox and look underneath.
Low pressure port.
If the air conditioning unit in question has not been retrofitted or changed, it should take R12 Freon. However, if it has been replaced or upgraded, it may take R134A.
Connect your Freon bottle to the low pressure port on your 1995 Lexus. Release the Freon into the air conditioning system.
Freon is added through the low side ac pressure port. Connect the hose from the gauge and Freon and allow Freon to fill the system until the gauge shows full. The engine and ac need to be running during this process. Make sure to follow all directions on the Freon can.
Low pressure port larger hose from the air comprssor
The 1996 Oldsmobile Cutlass Supreme OBD 2 port is under driver side dash above accelerator pedal
you will put freon in the low side port and it will be located on the reciver/dryer this is a round cylinder shape part this car will be filled with r134a