K 3500 Truck 4WD V8-454 7.4L VIN J SFI (1996)
Service Port HVAC: Locations
The high pressure fitting is located either in the high pressure vapor line or muffler, while the low pressure fitting is located on the accumulator.
Service Port HVAC: Locations
The high pressure fitting is located either in the high pressure vapor line or muffler, while the low pressure fitting is located on the accumulator.