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Any A C Experts? High Side is Very Low | Toyota Sienna Forum . . . 1) There as a restriction after the compressor discharge port but before the high side service port (in between is the condenser and lines) 2) A weak compressor pump 3) I could have an expansion valve stuck open allowing too much refrigerant to flow through at once (not likely because my low side readings are normal)
Why Your AC Low Side Pressure Is Too High - Mechanic Base AC Low Side Pressure Too High If the air conditioning isn’t blowing cold air and the low side pressure is too high, it could be caused by issues with the condenser fan However, there’s also the possibility that the system has been overcharged with too much refrigerant
High low pressure - Automotive Air Conditioning Information Forum My wife’s 2011 Toyota Sienna ac performance is poor, barely blows cold out of the vents I stuck my gauges on and high side is 300 and low side is 125 I have not added any Freon If I let it sit overnight the pressure will equalize to 120 high and low Any ideas what would cause this?
2011 sienna xle V6 AC issues - Toyota Nation Forum What is your high side pressure? Your Sienna has a continuous vaiable capacity compressor, so you will need both pressure reading to see what is going on At the same time, there may also have trouble codes that can point you towards what is the issue with your van:
AC Low Side Pressure Too High (Causes and How to Fix It) Now, with the vehicle’s manual at hand, you can compare the reading on the gauge to the pressure rating for your car to see which side is too high But if your vehicle’s air conditioner has cooling problems, you’ll discover that the reading from the low side pressure is too high
Have a 2011 sienna. Ac is cooling at idle at 65 degrees. Low pressure . . . Low pressure side is a little high in the yellow on pressure valve Cools better driving…staying at 57-59 degrees Any idea why not cooler? Outside temp is currently 80 degrees Mechanic's Assistant: Thank you for sharing the details about your 2011 Sienna Can you tell me if there have been any recent services done on the air conditioning
2011 sienna limited AC problem | Toyota Sienna Forum - siennachat. com They have the expertise and specialized tools to diagnose the problem definitively using gauges and other diagnostic equipment To aid the technician's diagnosis, note down the pressure readings you get on the low and high pressure sides of the AC system when the AC isn't performing well This information can provide valuable clues
AC High and Low pressure sides reading same PSI. Bad compressor? I hooked them up, cranked the AC on and found that both the high and low pressure side were reading about 130 psi I am trying to figure out why they would both be the same I am thinking somewhere between the high and low sides inside the compressor is plugged or exploded