Refrigerant Type: R134A
Country of Origin: United States
What pressure amount / reading does one of these kinds of switch cut off , at ?
OEM HPCO switches cut out at 425 psi and back on at 200 psi typically- GM anyway...
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......
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