06 ford e350 5.4

A/C not colder than 64°F. Replaced everything. Low side 55, high side 170 or so. Needles bounce, scroll compressor. Fan clutch works. What else? New… Read More »06 ford e350 5.4

1999 Chevy Suburban 1500

I need to replace the low pressure switch on my AC system. Do I need to evacuate the coolant first before removing the old switch?