2004 Silverado A/C - Bad Switch or Low Freon?

[truckdude239]

Originally Posted by sleepertruck72

The low side service port (Schrader valve) is a very common leak area on these trucks. If your A/C starts blowing warm again spray some soapy water on the low side service port...if it bubbles it wouldn't be a bad idea to replace both high and low side fittings

I see the highside leaking more then the low sides on these trucks the high side uses a hars rubber ball to seal i found out the replacments leak worst then the old ones so i fou d there is a r12 to r134 vavle that screws right in place on the new trucks and uses a scader vavle i stead of the rubber ball to seal