How do you remove an orifice tube on a 1998 Chevy Cheyenne 4.3?

To remove the orifice tube on a 1998 Chevy Cheyenne 4.3, first, ensure the AC system is discharged to prevent refrigerant release. Locate the orifice tube, which is typically found in the liquid line between the condenser and the evaporator. Use a pair of pliers or a special orifice tube removal tool to gently pull the tube out of its fitting. Be cautious not to damage the surrounding lines or components during the removal process.