A/C Diagnostics High and Low Pressure Port Clues Unveiled

Any shop that does AC work can easily replace them and recharge the system for you. I'd have it evacuated, replace the valve, and then have the ... WITH the compressor clutch engaged, you should be reading approximately 215psi high side and 35-45psi low side. Jul 6, 2003. #4 · P ... I rented the gauge set at Autozone and compressor off,I had approx. 95 psi on high and low side. Compressor on, low: 45-50 high: 198-200 and ... Locate the Low-Side Service Port ... This port is typically found on the line connecting the accumulator and compressor. The high side fitting is located between ... As noted, you need some real gages. I suspect your high reading is while the compressor is cycled off, in which case high side and low side will ... 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 ... For most vehicles, the low pressure side fill port is located on the left side of the engine bay. It will often be a small section of metal pipe that has two ... if u have 100 psi lo, 100 psi high USUALLY means compressor clutch is not engaging. what i always do before jumping to conclusions is charge the ... Both the low and high side ports are on the compressor itself rather than on the suction and pressure hoses as is more typical of modern cars. Normal AC Pressures Using R-134A · At a temperature of around 65°F (24°C), the low-side pressure typically ranges from 25 to 35 psi. At an ...