How to Study an R134A Air Conditioning Gauge 1Locate the air conditioning low-pressure service port in your car or truck. Seek advice from the car manual if required. On most vehicles the low-pressure service port is close to the air conditioning program below the hood.
However, on some automobiles it's underneath the automobile.2Remove the cap on the low-pressure service port by hand.3Attach the gauge for the low-pressure fast connect port by pulling back the ring on the gauge connector and pushing the connector in spot.4Start the engine and set the air conditioning program to " ;Max A/C" as well as the system fan to "High." Let the air conditioning system run for two to 3 minutes.5Observe the R-134a psi reading on the pressure gauge .
If it really is much less than 24 psi, your method is low and requirements more refrigerant. In case your system is within 25 to 44 psi, it has the proper quantity of freon. Readings of 45 to 64 psi indicate your system is overcharged and also you will need a mechanic to properly dispose of the excess freon. Any reading of 65 psi or greater is risky as well as your method is extremely overcharged and could have other troubles. Contact an air conditioning system mechanic.
Related articles:
没有评论:
发表评论