Recharging should be on low-pressure side only
Possibly needs recharged with refrigerant. You can check low pressure side with a guage.
The low side ac port is the line to charge in. the low side has a different size connection from the high side to prevent using the wrong port.
It is on outlet of the High preasure side
It is on outlet of the High preasure side
the low pressure side is usually the line that is the thickest. the thinner line is the high side.
The high side will not hook up to the hose
it is the low pressure side
The "high side" of a car a/c typically reaches 300+ psi.
High Side Small Diameter Hose, Low Side Large Hose. The High Side Runs Hot, The Low Side Cold. Best I Can Do With Info You Provided.
You will need a set of a/c gauges, a vacuum pump, freon and oil....... Put the gauges on both the low and high side ports (blue goes to the low side and red goes to the high side and yellow will go to the vacuum pump).... Vacuum the system down for about 1 hour and then let it sit for 1 hour to see if it will at least hold a vacuum and if so then vacuum it out for an additional 1 hour and then recharge it. Add your freon and oil at a slow pace and watch the gauge readings. Depending the outside temperature you will what the high side to be between 200 to 250psi and the low side to be between 30 to 40psi.
low side readings between 30 to 40psi and the high side between 200 to 250psi depending on the outside temperature…………….
Sounds as though you may have a heat pump and it's operating in heat mode.