The best thing to do is is to start at the left side of the vehicle where the drier is and follow the large line from that point until you find the charging port. If you can't find the port like that, chances are someone removed the A/C.
Its on the low side (suction side) from the compressor to the accumulator........
the low side hose is the one that is bigger
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 AC low side port on a 1999 Cadillac DeVille is against the firewall. It is on the larger of the two hoses going to the AC compressor.
Low side service port is against the firewall just underneath the alternator. It has a Blue cap on it.
In the ac system through the low side service port.In the ac system through the low side service port.
Right. On top of the compressor.
usually the "fatter" hose is the low side its is the smaller port of the 2
The Low side line attaches to the compressor on the driver side of compressor. The charging port faced forward. The high pressure port faces up.
The AC low pressure port on a 1999 Buick Century is located on the side of the AC accumulator. This is positioned in the left, rear of the engine compartment.
Its located on the low side (suction hose) side, follow the hose from the accumulator to the a/c compressor.......
In front of the Condenser on the passenger side. You can find a diagram of this on the link below. Just follow the icon "Find your cars low-side port".