How much r134a should be put into the system?

The amount of R134a refrigerant needed for a system typically depends on the specific vehicle or appliance and can usually be found in the owner's manual or service manual. For automotive applications, it often ranges from 1 to 3 pounds, depending on the make and model. It's essential to use a scale to accurately measure the refrigerant during charging to avoid overloading the system. Always follow manufacturer specifications for optimal performance.