On a 2000 it is behind the plastic behind the front drivers side tire. You must access from under car.
You can find the 1993 Mitsubishi air conditioning service port on top of the air conditioning compressor. The air conditioning service port will be labeled as the low pressure port.
On the low side service port coming off the back of the a/c compressor on the suction aluminum line........
Should be near or on the accumulator.
Your 2001 VW Jetta low pressure port can be found on the left side of the air conditioning compressor. The low pressure port is for recharging the air conditioning.
The service port is located on the a/c accumulator...........
You can recharge your 2004 Lincoln LS from the low pressure port. The low pressure port can be found on the top of the air conditioning compressor.
On my 2003 V8 it's under the car on the bottom of the A/C compressor, reached most easily from under the car...
The 2001 Chevrolet Impala low side service port can be found on the top of the air conditioner compressor. The port will be labeled as the low pressure port.
There is no high side service port only a low side.
The 1990 Mazda 626 air conditioning low pressure port can be found on top of the air conditioning compressor. The low pressure port should be labeled.
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.
Into the low side service port.