Repairing a suitcase zipper involves understanding its components: slider, pull, teeth, tape, and stop. Troubleshooting common malfunctions like stuck zippers, misaligned teeth, torn tape, or a loose stop requires specific techniques such as unzipping strategies, cleaning teeth, lubrication, component replacement, and reinforcement. For a comprehensive guide, refer to the full article that covers various zipper malfunctions and their respective solutions, ensuring a functional and durable zipper for your suitcase.