Tools and Materials:
- Penetrating oil (WD-40 or similar)
- Wire brush
- Flare nut wrench or crows foot wrench
- Copper tube cutters
- Replacement brake line connectors
Procedure:
1. Soak the rusty brake line connectors: Use a penetrating oil to soak the brake line connectors generously, especially the threaded part, for at least an hour. This helps loosen the rust.
2. Clean the area: Use a wire brush to clean around the rusted connectors, removing any loose rust and debris.
3. Use a flare nut wrench or crows foot wrench: Choose a wrench that fits snugly around the connector. Place it on the connector counter-clockwise to loosen it. If it's challenging to turn, apply additional penetrating oil.
Additional Tips:
- If you're replacing a section of the brake line, cut it using tube cutters. Ensure you make cuts perpendicular to the line to avoid leaks.
- Double-check the replacement brake line connectors to ensure they match the original ones in size and thread count.
- If you encounter severely rusted or seized brake line connectors, you might need to use additional techniques, such as heat (e.g., a propane touch) or a cutting tool.
- Replacing brake line connectors can be a tricky task and can affect your braking system's safety. If unsure, consult a professional mechanic for assistance.
