drum brake change

Understanding Drum Brake Change A Comprehensive Guide

Drum brakes are an essential component of many vehicles, playing a crucial role in ensuring safe and effective braking. Over time, these brakes can wear out due to regular use, making it necessary to change them. Understanding how to change drum brakes can save you both time and money, or at the very least, help you better communicate the needs of your vehicle to a mechanic.

What Are Drum Brakes?

Drum brakes consist of a cylindrical drum that rotates with the wheel and brake shoes that press against the inner surface of the drum to create friction. This system is typically found in the rear of many vehicles and is known for its simplicity and cost-effectiveness. However, like any mechanical part, they are subject to wear and tear. Signs that your drum brakes may need replacing include unusual noises such as grinding or squeaking, a reduction in braking efficiency, or vibrations while braking.

Tools and Materials Needed

Before starting the brake replacement process, you will need several tools and materials for a successful change. Essential items include

Step-by-Step Brake Change Process

1. Safety First Ensure your vehicle is parked on a flat surface and the engine is turned off. Use wheel chocks to block the wheels, and wear safety goggles to protect your eyes.

2. Lift the Vehicle Using a jack, lift the rear of the vehicle and secure it with jack stands. Remove the wheel lug nuts with a lug wrench and take off the wheel.

3. Remove the Drum Inspect the brake drum. If it’s stuck, a brake drum puller may be necessary to remove it. Be careful not to damage the drum in the process.

4. Inspect the Components Once the drum is off, inspect the brake shoes, springs, and other hardware for wear. If you notice any damage, those components should also be replaced.

5. Replace the Brake Shoes Remove the old brake shoes and replace them with new ones. Ensure you follow the installation pattern of the hardware as it was originally set up. Use brake grease on the backing plates to allow for smooth movement.

6. Reassemble Once the new shoes are in place, reattach the brake drum. Make sure it spins freely without any obstruction.

7. Reinstall the Wheel Place the wheel back on and hand-tighten the lug nuts. Lower the vehicle back to the ground and then tighten the lug nuts in a crisscross pattern to ensure even pressure.

8. Check for Functionality Before driving, press the brake pedal a few times to seat the new brake shoes against the drum. This ensures proper contact and helps to achieve optimal braking performance.

Conclusion

Changing drum brakes is a task that many can undertake with the right tools and patience. However, if you feel uncomfortable or unsure at any point, it's always best to consult a professional. Regular maintenance of your braking system is vital to your safety on the road, so don’t hesitate to address any concerns regarding your drum brakes. Being proactive about brake maintenance not only enhances vehicle safety but also extends the life of components, ensuring your vehicle remains in optimal working condition.