what do i need to replace drum brakes

What Do I Need to Replace Drum Brakes?

When it comes to maintaining your vehicle, one of the most important components to consider is the braking system, particularly the drum brakes. Unlike disc brakes, drum brakes are less common on newer vehicles but are still prevalent in many older models and some smaller cars. If you're experiencing issues with your drum brakes, such as squeaking, grinding noises, or decreased performance, it might be time to replace them. Here’s a comprehensive guide on what you need to know about replacing drum brakes.

Understanding Drum Brakes

Before diving into the replacement process, it’s essential to understand what drum brakes are and how they function. Drum brakes work by using friction to stop the vehicle. When you press the brake pedal, hydraulic fluid is sent to the brake cylinders, causing brake shoes to expand outward against the inner surface of a rotating drum. This friction slows down the vehicle. Over time, the brake shoes wear down, and the drum can become scored or warped, necessitating replacement.

Signs You Need to Replace Drum Brakes

Before you begin the replacement process, it’s crucial to identify whether your drum brakes actually need replacing. Here are some common signs

1. Noise If you hear a grinding or squeaking sound when you apply the brakes, it can indicate worn brake shoes or a problem with the drum. 2. Vibration If you feel a vibration or pulsation in the brake pedal when you apply the brakes, it could mean that the drum is warped and needs to be replaced. 3. Warning Light Some modern vehicles come equipped with a dashboard warning light that indicates when the brake system requires attention.

4. Reduced Performance If your vehicle takes longer to stop, or if you notice that the brakes feel less responsive than usual, it's time for a check-up.

Tools and Materials Needed

If you decide to replace your drum brakes yourself, you'll need several tools and materials. Here's a checklist

- Jack and Jack Stands To safely lift your vehicle and support it while you work. - Lug Wrench To remove the wheel lug nuts. - Brake Tool Kit This typically includes items like a C-clamp or brake spring tool. - New Brake Shoes Make sure you obtain the correct sizing for your vehicle. - Brake Drum Inspect your existing drums for wear and replace them if they are damaged or excessively worn. - Brake Cleaner To clean the components before reassembly. - Grease For lubricating contact points, but avoid getting grease on the brake shoes or drum surfaces. - Safety Glasses and Gloves Always prioritize safety when working on your vehicle.

1. Preparation Park your vehicle on a flat surface, engage the parking brake, and loosen the lug nuts slightly while the car is still on the ground.

2. Lift the Vehicle Use a jack to lift the vehicle and secure it with jack stands.

3. Remove the Wheel Take off the wheel to access the brake drum.

4. Take Off the Drum If the drum is stuck, gently tap it with a rubber mallet to dislodge it. Remove the drum once it's free.

5. Inspect and Replace Parts Check the brake shoes, drum, springs, and backing plate. Replace any components that are worn. Install the new brake shoes, ensuring they fit securely.

6. Reassemble Reattach the drum, wheel, and lower the vehicle. Tighten the lug nuts in a crisscross pattern to ensure even tightening.

7. Test the Brakes Before taking your vehicle on the road, pump the brake pedal several times to seat the new brake shoes properly.

Conclusion

Replacing drum brakes can be a straightforward task if you have the right tools and knowledge. It's essential not only for your vehicle's safety but also for optimal performance. While some individuals may prefer professional help, those who opt for a DIY approach should follow safety protocols and ensure that all components are inspected and replaced accordingly. With just a few hours and a bit of effort, you can restore your drum brake system to its former efficiency, ensuring a safer driving experience.