Tips for Reinstalling Springs on Drum Brake Systems Effectively and Safely

How to Get Springs Back on Drum Brakes

Drum brakes are a common type of braking system used in many vehicles today. While they are often less complex than disk brakes, the assembly can still pose challenges when it comes to maintenance and replacement. One aspect that many vehicle owners and mechanics struggle with is reattaching the springs that hold the entire drum brake system together. In this article, we will provide a detailed guide on how to get springs back on drum brakes safely and efficiently.

Understanding the Components

Before diving into the reassembly process, it's crucial to have a basic understanding of the components involved in a drum brake system. Key parts include

- Brake Shoes These are the components that press against the drum to create friction and slow down the vehicle. - Drum The circular part that rotates with the wheel, against which the brake shoes press. - Springs These are crucial for returning the brake shoes to their original position once the brakes are released, ensuring that the brakes do not drag against the drum unnecessarily.

Tools You’ll Need

To reassemble the springs effectively, gather the following tools - A spring tool or pliers designed for brake springs - A screwdriver (flathead or Phillips, depending on your components) - Safety glasses - A small container for any small parts

Step-by-Step Guide to Reattach Drum Brake Springs

Step 1 Safety First

Before starting any work on your vehicle, make sure it is parked on a flat surface and the parking brake is engaged. Always wear safety glasses to protect your eyes from any flying debris.

Step 2 Remove the Drum

If the drum is still attached, you will need to remove it. Usually, this involves loosening the lug nuts and removing the wheel. After that, ensure that the brake adjustment is released so that the drum can be removed easily.

There are typically two types of springs in a drum brake assembly. The large return springs connect the two brake shoes, while the smaller springs keep the shoes aligned against the backing plate. Identify each spring’s position in the assembly before you start.

Step 4 Position the Brake Shoes

Make sure that the brake shoes are properly positioned against the backing plate. They should be held in place before the springs are reattached. Ensure that the shoes are oriented correctly, with the friction material facing the drum.

Step 5 Attach the Return Springs

Using your brake spring tool or pliers, attach the large return springs first. These springs need to be installed in a way that they pull the brake shoes back to their resting position. Hook one end of the spring onto one shoe, then stretch the spring across to the other shoe. Carefully attach the other end, ensuring that the spring is secure and both shoes can pivot freely.

Step 6 Attach the Hold-Down Springs

Once the return springs are in place, proceed with the smaller hold-down springs. These springs secure the brake shoes and prevent them from moving too far out. Insert the hold-down pins through the holes in the shoes, then attach the hold-down spring onto the pins. Make sure that these are secure but be cautious not to over-compress them.

Step 7 Double-Check Everything

Before reattaching the drum, take a moment to double-check that all the parts are in place and that the springs are secured properly. Ensure that there is no excessive tension on the springs that might cause premature wear or issues when the brakes are applied.

Step 8 Reinstall the Drum

Carefully slide the drum back over the brake shoes. Spin the drum to ensure that there is no binding; it should rotate freely. If it feels tight, you may need to adjust the brake shoes using the adjuster mechanism.

Conclusion

Reattaching springs on drum brakes can be a daunting task, but following these steps methodically will help ensure a successful job. Understanding the components and utilizing the right tools can make the process smoother. If at any point you feel overwhelmed or unsure, don’t hesitate to consult a professional mechanic. With patience and attention to detail, you’ll have your drum brakes back in working order in no time.