E-Brake Doesn’t Work After New Brakes Installed

Oceanside Motorsports • November 11, 2023

The emergence of modern vehicles has brought about a myriad of advancements in automotive technology, making our daily commutes safer and more convenient. One crucial component of any vehicle’s safety system is the emergency brake, commonly referred to as the “E-brake” or “handbrake.” The E-brake serves as an additional layer of security when parking on steep inclines or in emergency situations. However, there are instances where car owners find themselves in a perplexing situation – their E-brake doesn’t work after new brakes have been installed. We will explore the potential reasons behind this issue and suggest possible solutions.

Understanding the E-Brake System

To comprehend why the E-brake might malfunction after new brakes are installed , it’s essential to understand how the system works. The E-brake operates independently of the regular braking system, using a separate set of brake pads or shoes that engage with the rear wheels. When you pull the E-brake lever or push the E-brake pedal (in some vehicles), a cable or linkage system activates the E-brake mechanism, applying pressure to the rear brakes to secure the vehicle in place.

Possible Reasons for E-Brake Malfunction

  • Cable Adjustment

One of the most common reasons for E-brake issues after brake replacement is improper cable adjustment. If the E-brake cable is not adjusted correctly to accommodate the new brake components, it can lead to insufficient tension, preventing the E-brake from engaging effectively

  • Frozen E-Brake Components

Another common issue is frozen or seized E-brake components, particularly in regions with harsh winters. Rust and corrosion can cause the E-brake mechanism to become stiff or non-functional. Installing new brakes may exacerbate this problem if the underlying issue is not addressed.

  • Damaged E-Brake Components

During the brake replacement process, it’s possible to inadvertently damage E-brake components, such as cables, levers, or pulleys. A bent or broken part can hinder the E-brake’s ability to function correctly.

  • Incompatible Brake Parts

Using incompatible brake parts or components that do not match the vehicle’s specifications can lead to E-brake problems. For example, if the size or design of the new brake pads or shoes does not align with the E-brake system’s requirements, it can result in malfunction.

Troubleshooting and Solutions

  • Cable Adjustment

If you suspect that cable adjustment is the issue, consult your vehicle’s service manual for guidance on how to properly adjust the E-brake cable tension. In some cases, it may require professional assistance to ensure it is correctly adjusted.

  • Thawing Frozen Components

If you live in an area with cold weather and suspect frozen E-brake components, try parking your vehicle in a heated garage or using a heat gun to thaw the affected areas. Applying a rust inhibitor or penetrating oil can also help prevent future corrosion.

  • Inspecting and Replacing Damaged Components

Inspect the E-brake components for any visible damage or signs of wear. Replace any damaged parts promptly, ensuring they are compatible with your vehicle’s make and model.

  • Verify Compatibility of Brake Parts

Double-check that the new brake components are compatible with your vehicle’s E-brake system. Consult your vehicle’s manual or a trusted mechanic to ensure you have the correct parts installed.

Repair and Maintenance at Oceanside Motorsports

Are you experiencing issues with the brakes on your car? Here at Oceanside Motorsports, we will inspect them for free as part of our standard free vehicle health inspection! Give us a call or shoot us a text at (760)721-5500 today!

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