For minor leaks on accessible threaded or slip-joint connections, you can fix the issue without full pipe replacement by tightening loose slip-joint nuts, replacing worn-out rubber washers, or wrapping male pipe threads with fresh Teflon (PTFE) tape. However, for cracked, corroded, or split pipe walls, temporary exterior tape patches are unsafe, and the compromised pipe section must be physically cut out and replaced. Verification: Run water through the repaired connection and check with a dry paper towel to confirm zero leaks.
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