On the coolant line behind the engine, it is a small valve, the larger one is the high side service port, before it goes into the cabin. If that was confusing, start at the engine block, look for a black line behind it that runs from the A/C to inside the car with two black capped valves, use the smaller one.
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.
The low side service port on a 1996 Chevy Impala is located on the accumulator, which is situated near the firewall on the passenger side of the engine compartment. The port is typically a smaller fitting compared to the high side port, making it easier to identify. To access it, you may need to remove any covers or components obstructing your view. Always ensure the engine is off and the system is depressurized before attempting to service the AC system.
The 2002 Chevy Cavalier low side service port can be found on the top of the air conditioner compressor. The low side service port will be labeled as the low pressure port.
The AC low port on a 2001 Chevy Impala is located on the accumulator, which is typically found near the passenger side of the engine bay. It is a smaller port compared to the high side and is usually covered with a blue or black cap. To service the AC system, ensure the engine is off and the system is not under pressure before connecting any tools.
The AC low side service port on a 1999 Chevy Astro van is located next to the firewall. It is the port that is closest to the evaporator.
The recharge port is on the larger AC pipe
On the accumulator.
Low side service port is against the firewall just underneath the alternator. It has a Blue cap on it.
back side of engine toward the fire wall.
The A/C low side service port is by the Firewall, just below the Passenger's Side Windshield Wiper Arm.....
Into the low side service port.
The service port is by the Firewall, just below the Passenger's Side Windshield Wiper Arm Shaft.....