A/C System Health Check Interpreting High and Low Pressure Port Readings

The low pressure side of the A/C is the larger diameter line with the port down beside the lower rad hose above the compressor. The high ... I found one port, I assume is the low pressure port about 1 foot from the left end of the radiator. ... I switched to A/C and the air got warmer ( ... Learn the 4 main conditions that will cause your vehicle's A/C pressure to have low side pressure that is high and high side pressure that ... the low side is closer to the firewall. and will be cold to touch. The orfice tube is locate between the 2 service ports. Of course you can add ... I was trying to find the low pressure port this afternoon. If I have located the current port, it is just right of the high pressure port (If ... The low pressure side is the return line between the cabin evap and the gas compressor upfront near the drive belt. HVAC - 2018 Ecoboost Low pressure port SIZE? - I am trying to determine why my A/C doesnt blow cold, and wish to check freon pressure. Low (suction)side is the larger of the two lines, high side is smaller. Suction line should be cool or cold, high side is hot. Also when the compressor is running, the low pressure or suction side is the hose that is cold or has condensation on it. As Robroy mentioned, ... Very high on the high pressure side and low on the low pressure side. First check to see if the condenser fan is running at full speed. If ...