1. Locate the brake line that needs repair.
2. Remove the wheel and tire from the side of the car where the brake line is located.
3. Use a brake line wrench to loosen the brake line fitting at the caliper.
4. Disconnect the brake line from the caliper.
5. Use a line cutter or hacksaw to cut the damaged brake line.
6. Install a new brake line.
7. Connect the new brake line to the caliper.
8. Tighten the brake line fitting at the caliper.
9. Install the wheel and tire.
10. Bleed the brakes to remove air from the system.
