1. Shut off the water supply to the valve. 2. Drain any residual water from the line. 3. Remove the defective angle valve using the appropriate tools. 4. Inspect the pipe threads and clean or prepare the surface as needed. 5. Install the new angle valve using Teflon tape or sealant. 6. Tighten and secure the valve properly. 7. Turn on the water supply and check for leaks. 8. Test the valve operation to ensure it functions correctly. **Angle Valve Repair/Replacement by an Expert with Over 10 Years of Experience**