Why Your Parking Brake Isn't Working and How to Fix It

The parking brake, also known as the handbrake or emergency brake, is an essential component of your vehicle's braking system. It is designed to keep your car stationary when parked, preventing it from rolling away, especially on inclines.

However, like any other car part, the parking brake can fail to function properly over time. If you’ve noticed that your parking brake isn’t working as it should, it’s important to understand the possible causes and how to fix them. In this article, we’ll dive into why your parking brake might not be working and offer solutions for getting it back in top shape.

Common Reasons Why Your Parking Brake Isn’t Working

1. Cable Issues One of the most common reasons a parking brake stops working is due to issues with the parking brake cable. This cable connects the brake lever or pedal to the brake components on your wheels. Over time, it can become stretched, rusted, or snapped. A stretched cable won't apply enough tension to the brake, causing it to fail. If the cable is rusted or damaged, it may need to be replaced.

2. Worn Brake Pads or Shoes The parking brake works by engaging the brake pads or shoes at the rear wheels. If the brake pads or shoes are worn out, the parking brake will not engage properly. This problem is more common in vehicles that use drum brakes in the rear since parking brake shoes are often integrated with them. Inspecting and replacing worn brake pads or shoes is essential for restoring the functionality of your parking brake.

3. Corroded or Dirty Components If dirt, dust, or rust has built up around the parking brake components, it can prevent the system from engaging properly. Corrosion is particularly common in areas where the car is exposed to water, such as near the rear wheels or the cable. Cleaning the components or applying anti-corrosion treatment can solve this issue.

4. Broken Brake Mechanism The mechanism that engages and disengages the parking brake can sometimes break. This may involve internal components in the lever or pedal assembly or the drum and rotor system. If the brake handle or pedal feels loose or doesn’t engage at all, there could be an internal issue that requires professional repair.

5. Low Brake Fluid In some vehicles, the parking brake is tied into the hydraulic brake system. If the brake fluid is low or there’s a leak in the brake system, the parking brake might fail. Checking the brake fluid levels and ensuring there are no leaks in the system can help resolve this issue.

How to Fix a Non-Functioning Parking Brake

1. Adjust the Parking Brake If your parking brake feels loose or ineffective, it might simply need an adjustment. Most parking brakes are adjustable, and tightening the cable or making adjustments to the mechanism can restore its functionality. Check your car's manual for specific instructions on how to adjust the parking brake.

2. Replace the Parking Brake Cable If the parking brake cable is damaged or stretched, replacing it is the best solution. This is a job that typically requires a professional mechanic, but if you are experienced with car repairs, it is possible to replace the cable yourself.

3. Replace Worn Brake Pads or Shoes If the problem lies with worn brake pads or shoes, it’s essential to replace them. Brake pads should be replaced every 25,000 to 70,000 miles, depending on your driving habits. If your car uses drum brakes, ensure that the parking brake shoes are in good condition.

4. Clean or Lubricate Components Cleaning rust, dirt, or corrosion off the parking brake mechanism and components can help restore its functionality. Use a rust cleaner or anti-corrosion spray to protect the system from further damage. Lubricating the cable and other moving parts can help them move more freely.

5. Check the Brake Fluid If low brake fluid is the issue, simply topping up the fluid may resolve the problem. Ensure there are no leaks in the system and that the fluid level remains full to avoid further issues.

6. Seek Professional Help If you’ve checked for the above issues and your parking brake still isn’t working, it may be time to take your car to a professional mechanic. A damaged or broken internal mechanism might need to be replaced, and a professional can ensure the repair is done correctly.

Conclusion

Your parking brake is a critical safety feature that keeps your vehicle stationary when parked. If it stops working, it's important to diagnose the cause early and take the necessary steps to repair it. Whether it’s an issue with the cable, brake pads, or brake fluid, identifying the root cause and fixing it will ensure that your car remains secure when parked. Regular maintenance of your parking brake system is key to avoiding issues in the future.

FAQs

1. How Do I know If My Parking Brake Cable Is Stretched?

If your parking brake lever or pedal feels loose or requires more force to engage, the cable might be stretched. Additionally, the parking brake may not hold the car in place, especially on inclines.

2. Can I Drive With A Broken Parking Brake?

While it’s technically possible to drive without a working parking brake, it’s not recommended. If your parking brake fails, your vehicle could roll, posing a safety hazard. It’s best to get it repaired before driving the car.

3. Why Is My Parking Brake Not Bolding The Car In Place?

A common reason your parking brake may not hold your car in place is worn brake pads or shoes. The parking brake system needs to engage the brake pads properly to keep the car stationary.

4. Is Fixing A Parking Brake Expensive?

The cost of fixing a parking brake can vary depending on the problem. Replacing a cable or adjusting the system may cost less, while replacing brake pads or a more complicated mechanism repair could be more expensive. It's best to get a quote from a mechanic.

5. Can I Fix The Parking Brake Myself?

If you have experience with car repairs, some issues like adjusting the brake or replacing the cable can be done yourself. However, for more complex problems like replacing brake pads or dealing with internal components, it’s best to consult a professional mechanic.