drum brake hardware kit rear

Understanding Drum Brake Hardware Kits for Rear Brakes

Drum brakes are a crucial component of automotive braking systems, particularly in older vehicles and some modern economy cars. They function by using friction to slow down or stop the vehicle, and an efficient drum brake system is essential for ensuring safety and performance. One vital aspect of maintaining drum brakes is the hardware kit, especially for the rear brakes. This article will explore the components of the drum brake hardware kit, its importance, and how to effectively install it.

What is a Drum Brake Hardware Kit?

A drum brake hardware kit typically includes all the necessary components that are involved in the operation of the drum brakes. These parts may seem minor, but they play an essential role in the function of the braking system. The common components included in a drum brake hardware kit are

1. Return Springs These springs are responsible for pulling the brake shoes back to their resting position after the brake pedal is released. They ensure that the shoes do not drag against the drum, which can lead to excessive wear and overheating.

2. Hold-Down Springs These springs keep the brake shoes firmly in place during operation. They prevent the shoes from losing contact with the drum and help maintain proper alignment.

3. Adjuster Assembly The adjuster helps maintain the correct distance between the brake shoes and drum by compensating for wear over time. It typically consists of a threaded mechanism that can expand or contract as the brake shoes wear down.

4. Wheel Cylinder Although sometimes sold separately, the wheel cylinder is crucial to the braking action as it presses the shoes outward against the drum when hydraulic pressure is applied.

5. Retaining Clips and Pins These small components secure various parts of the brake system, holding everything together and allowing for proper function.

Importance of a Drum Brake Hardware Kit

The hardware kit is vital for several reasons

- Safety Worn or damaged hardware can lead to brake failure, which poses a significant safety risk. Regularly replacing these components ensures that the brakes function correctly.

- Performance New hardware can improve the overall performance of the braking system. When springs and adjusters are in good condition, they help ensure that the brake shoes apply equal pressure on the drum, leading to smoother and more effective braking.

- Cost-Effective Maintenance Replacing the hardware with each drum brake service can help prevent more expensive repairs down the line. Investing in a quality hardware kit can extend the lifespan of the brake shoes and drum themselves.

Installing a Drum Brake Hardware Kit

Installing a drum brake hardware kit may seem intimidating, but with the right tools and a little guidance, it can be a straightforward process. Here's a simplified step-by-step guide

1. Gather Tools and Materials You'll need a drum brake hardware kit, basic hand tools (like pliers and a screwdriver), and safety gear (gloves and goggles).

2. Remove the Wheel and Drum Use a lug wrench to remove the wheel, then take off the drum by loosening the retaining screws or pulling it off if it’s stuck.

3. Remove Old Hardware Carefully take off the existing springs and components. This usually requires some force, as they can be under tension.

4. Install New Hardware Follow the instructions that come with the hardware kit. Generally, you will start by installing the hold-down springs, then the return springs, making sure each piece is correctly secured.

5. Reassemble and Adjust Once the new hardware is installed, reattach the drum and wheel. Make necessary adjustments to ensure everything functions properly.

6. Test the Brakes Before putting the vehicle back on the road, pump the brakes and check for any unusual noises or issues.

Conclusion

A drum brake hardware kit is an essential component for maintaining the rear drum brake system in vehicles. It is a small investment that can yield significant benefits in terms of safety, performance, and long-term maintenance costs. By understanding the purpose and installation process of these kits, vehicle owners can ensure that their braking systems operate efficiently, providing peace of mind on the road. Regular inspections and timely replacements of brake system components are crucial for any vehicle owner looking to maintain optimal performance and safety.