To repair your treadmill, you will need the following tools: 

1. Screwdrivers: You will need various sizes of screwdrivers to remove and replace screws. 

2. Wrenches: You will need a set of wrenches to tighten or loosen nuts and bolts. 

3. Lubricant: A treadmill lubricant is essential to keep the belt running smoothly. 

4. Replacement Parts: Depending on the issue, you may need to replace parts like the belt, motor, or console.