adjust rear drum brakes

How to Adjust Rear Drum Brakes A Comprehensive Guide

Rear drum brakes are a critical component of many cars, providing essential stopping power. However, as with any mechanical part, they can wear down over time and may require adjustments to ensure optimal performance. Properly adjusted drum brakes not only enhance braking efficiency but also extend the lifespan of the brake components. This article will guide you through the steps to adjust rear drum brakes effectively.

Understanding Drum Brakes

Drum brakes consist of a drum that rotates with the wheel and brake shoes that press against the drum to create friction. When the brake pedal is pressed, hydraulic fluid pushes the shoes outward against the drum, slowing the vehicle. Over time, brake shoes can wear down, causing them to sit improperly in the drum. This can lead to reduced braking performance, increased stopping distances, and uneven wear.

Signs of Misalignment

Before adjusting your rear drum brakes, it’s essential to recognize the signs that indicate an adjustment is necessary. Common indicators include

1. Low Brake Response If the brakes feel spongy or require more pressure to engage. 2. Uneven Brake Wear Noticing that one side is wearing faster than the other. 3. Noise Hearing grinding or squeaking noises when braking, which may suggest contact between the shoes and drum.

Tools You’ll Need

Before starting the adjustment process, make sure you have the necessary tools

Adjustment Process

1. Safety First Park your vehicle on a flat surface, engage the parking brake, and wear safety goggles.

2. Lift the Vehicle Use the jack to lift the car and secure it with jack stands. Remove the rear tires using the tire iron.

3. Access the Drum Brakes Remove any drum covers (if applicable) or the drum itself by sliding it off the hub. You may need to tap lightly with a rubber mallet if it’s stuck.

4. Inspect the Brake Components Before making adjustments, check the condition of the brake shoes, springs, and the drum’s surface for wear. If the shoes or drum show excessive wear, they may need replacement rather than adjustment.

5. Adjusting the Shoes Use the brake adjustment tool or screwdriver to turn the adjusting wheel or lever. Generally, turning it clockwise expands the shoes, and counterclockwise retracts them. Adjust until the shoes lightly touch the drum, ensuring they don’t bind but provide sufficient contact when the brakes are applied.

6. Reassemble Once adjusted, reattach the drum and any covers removed earlier. Replace the rear tires and lower the vehicle.

7. Test Drive After completing the adjustment, take your car for a short test drive. Pay attention to the braking performance. If necessary, repeat the adjustment process for optimal results.

Conclusion

Regular maintenance of your rear drum brakes is essential for safe driving. Adjusting them can enhance braking efficiency and prolong the life of the components. If you notice any significant issues that adjustments can’t resolve, be sure to consult a professional mechanic. With proper care and attention, your drum brakes will continue to perform effectively, ensuring a safer driving experience for you and your passengers.