Originally posted by studegary
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R-134 Question
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Originally posted by sweetolbob View PostThere's a fair amount of discussion about this issue on the Ram Truck forums. Your numbers are borderline as Ram says 45 deg at 80 deg and 55 deg at 90. Some of the so called a/c guys caution on using an IR thermometer and recommend a good standard type that has a probe to put in the vents.
If it cools adequately then not a big deal but if you think it feels borderline a good a/c shop should be able to check head pressures relatively inexpensively.
As a data point, my 19 Ram blows 42 - 45 deg. F and cools very well at 90+ deg and high humidity.
Bob
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There's a fair amount of discussion about this issue on the Ram Truck forums. Your numbers are borderline as Ram says 45 deg at 80 deg and 55 deg at 90. Some of the so called a/c guys caution on using an IR thermometer and recommend a good standard type that has a probe to put in the vents.
If it cools adequately then not a big deal but if you think it feels borderline a good a/c shop should be able to check head pressures relatively inexpensively.
As a data point, my 19 Ram blows 42 - 45 deg. F and cools very well at 90+ deg and high humidity.
BobLast edited by sweetolbob; 07-30-2020, 06:54 AM.
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R-134 Question
Assume the ambient temperature in the street is 90 degrees. The temp emanating from the a/c vents is 50 degrees with the car cruising the highway at 60 MPH.
May I assume this is acceptable?Tags: None
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