The low pressure port on a 1996 Oldsmobile Cutlass is between the compressor and the firewall. It is on the larger hose attached to the compressor.
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 1996 Oldsmobile Cutlass Supreme OBD 2 port is under driver side dash above accelerator pedal
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.
The 1999 Oldsmobile Cutlass OBD 2 port is under driver side dash left of steering column
Remove the airbox and look underneath.
The 1996 850 doesn't have a high pressure port. Recharging is done through to low pressure side.
The diagnostic port on a 1996 Oldsmobile Aurora is located below the dash on the driver's side. It is just to the right of the steering column.
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 2001 Oldsmobile intrigue air conditioning low pressure port is located on the top of the air conditioner compressor. There are two ports on the compressor. The low pressure for is on the left-hand side.
Low pressure port - Larger hose from air compressor
Where is the charging port for the a/c in a Oldsmobile alero
Depending on year it will be located on the accumulator near the firewall........