How to Flush a Car Brake System
Flushing a car brake system is an important maintenance task that should be performed every 2-3 years. It helps to remove old, contaminated brake fluid and replace it with fresh fluid. This helps to keep the brake system functioning properly and prevents corrosion.
Flushing a brake system is not a difficult task, but it does require some special tools and knowledge. In this article, we will provide you with step-by-step instructions on how to flush a car brake system.
Tools and Materials
- Brake fluid
- Brake bleeder wrench
- Clear tubing
- Container for old brake fluid
- Funnel
- Rags or gloves
Step-by-Step Instructions
1. **Park the car on a level surface and engage the parking brake.**
2. **Locate the brake fluid reservoir.** It is usually located under the hood, near the firewall.
3. **Open the reservoir and check the brake fluid level.** If it is low, add brake fluid until it reaches the “full” mark.
4. **Attach a clear tubing to the brake bleeder screw on the caliper of one of the front wheels.**
5. **Place the other end of the tubing into a container for old brake fluid.**
6. **Have an assistant pump the brake pedal several times, then hold it down.**
7. **Open the brake bleeder screw slightly.**
8. **Allow the old brake fluid to drain out of the caliper into the container.**
9. **Close the brake bleeder screw.**
10. **Repeat steps 4-9 for the other front wheel.**
11. **Repeat steps 4-9 for the rear wheels.**
12. **Check the brake fluid level in the reservoir and add fluid as needed.**
13. **Close the reservoir cap.**
14. **Pump the brake pedal several times to build up pressure.**
15. **Test the brakes to make sure they are functioning properly.**
Tips
* Use only DOT 3 or DOT 4 brake fluid in your car.
* Do not overfill the brake fluid reservoir.
* Do not let the brake fluid get on your skin or eyes.
* If you are not comfortable flushing the brake system yourself, you can take your car to a mechanic to have it done.
Conclusion
Flushing a car brake system is an important maintenance task that helps to keep the brake system functioning properly and prevents corrosion. It is a relatively easy task that can be performed in about an hour. By following the instructions in this article, you can safely and effectively flush the brake system on your car.
