Engine Size: 5.7
Refrigerant Type: R134-a
Ambient Temp: 80
Pressure Low: 30
Pressure High: 90
I am not a noob, but my memory is so bad that since I have not done any AC work this year I have to ask a basic question.
Given the readings provided does this car just seem to be low on refrigerant? The vent temps are obviously high (don't have exact number because I cant find my thermometer yet). But I thought the low side was high relative to the high side.
The compressor was replaced last summer and AC was working fine until the first time trying this year.
65% of mobile a/c failures is due to loss of charge due to a leak-- I'd play the numbers.....you look to me to have about 1/3 the necessary refrigerant in your system.
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
Guess I'll add a little refrigerant and put some dye in and check for leaks.
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