Toyota Land Cruiser Prado GRJ150 Cable Parking Brake Assy RH 46420-60112
Toyota Land Cruiser Prado GRJ150 Cable Parking Brake Assy RH 46420-60112 Original price was: KSh9,500.Current price is: KSh9,000.
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Toyota Land Cruiser 200 Series Genuine Front Brake Pads 04465YZZF8 Original price was: KSh20,000.Current price is: KSh15,500.

Toyota Hilux Revo GUN125 Brake Lining Kit 0449535250

Toyota Hilux Revo GUN125 Brake Lining Kit 0449535250

Part No: 0449535250

Brand: Genuine

Fits: Toyota Hilux Revo GUN125

Fitting Position: Front & Rear Axle

Original price was: KSh15,500.Current price is: KSh14,500.

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Description

Get Toyota Hilux Revo GUN125 Brake Lining Kit 0449535250

A brake lining kit is an essential component of a vehicle’s braking system, providing the friction surface that helps bring the vehicle to a stop when the brake pedal is applied. Whether for drum brakes or disc brakes, the brake lining plays a critical role in ensuring the safety and performance of the vehicle. In this guide, we will explore the key aspects of brake linings, focusing on their purpose, components, materials, installation, maintenance, and common issues, with a special emphasis on brake lining kits for drum brake systems.

1. Understanding Brake Lining and its Purpose

The brake lining is a material that is attached to the surface of the brake shoes or brake pads, creating friction when pressed against the brake drum or disc. This friction is what enables the vehicle to slow down or stop. In drum brake systems, the lining is mounted on the brake shoes, while in disc brake systems, the lining is part of the brake pad.

Key Functions:
  • Friction Generation: Brake linings provide the necessary friction for decelerating or stopping the vehicle.
  • Heat Dissipation: They are designed to withstand high temperatures and dissipate heat generated during braking.
  • Durability: Brake linings must be durable enough to resist wear and tear while maintaining consistent performance.

A brake lining kit typically includes all the components needed to replace worn or damaged brake linings, ensuring that the vehicle’s braking system functions optimally.

2. Components of a Brake Lining Kit

The components in a brake lining kit can vary depending on the type of braking system (drum or disc brakes), but generally, a complete kit for drum brakes will include:

  • Brake Linings: These are the friction materials that get attached to the brake shoes.
  • Brake Shoes: The metal components to which the linings are attached. They press against the brake drum to create friction.
  • Springs and Hardware: Return springs, hold-down springs, and other hardware are necessary to hold the brake components in place and ensure proper operation.
  • Adjuster Mechanisms: In some cases, the kit may include adjusters that help maintain the correct clearance between the brake shoes and the drum.
  • Backing Plates (Optional): Some kits may include new backing plates to support the brake shoes.

Each of these components plays a crucial role in the performance of the braking system.

3. Materials Used in Brake Linings

Brake linings are made from various materials that offer a balance between durability, heat resistance, and frictional performance. The materials used in brake linings have evolved over the years to improve safety, performance, and environmental impact. Common materials include:

a. Organic Brake Linings:
  • Composition: Made from natural fibers like rubber, carbon compounds, glass, or Kevlar, bound together with resins.
  • Performance: Organic linings are quieter and produce less dust, but they wear out faster and are not suitable for high-performance applications.
  • Benefits: Low cost and environmentally friendly since they do not contain asbestos or heavy metals.
b. Semi-Metallic Brake Linings:
  • Composition: A blend of metal fibers (usually steel) and organic materials.
  • Performance: These linings offer a good balance between performance and longevity. They can handle higher temperatures and provide better braking power than organic linings.
  • Benefits: Durability, better heat dissipation, and higher braking performance.
c. Ceramic Brake Linings:
  • Composition: Made from ceramic fibers, bonded with non-metallic materials.
  • Performance: Ceramic linings provide excellent performance, longevity, and heat dissipation, and they produce less noise and dust compared to other materials.
  • Benefits: Long-lasting, quieter, and more efficient at higher temperatures.
d. Asbestos-Free Linings:

In the past, asbestos was a common material used in brake linings due to its heat-resistant properties. However, asbestos has been phased out because of health risks. Modern brake linings are asbestos-free, offering safer alternatives with improved performance.

4. How Brake Linings Work

The braking process begins when the driver presses the brake pedal, activating the hydraulic brake system. In a drum brake system, hydraulic pressure forces the wheel cylinder to push the brake shoes outward, pressing the linings against the inner surface of the brake drum. This friction slows the rotation of the wheels and eventually stops the vehicle.

Steps in the Braking Process:
  1. Brake Pedal Activation: The driver applies force to the brake pedal, which pressurizes the hydraulic brake fluid in the system.
  2. Brake Shoe Movement: The hydraulic pressure forces the brake shoes apart, pushing the linings against the drum.
  3. Friction Generation: The brake lining material creates friction with the rotating drum, slowing down the wheel.
  4. Heat Dissipation: During braking, a significant amount of heat is generated. The brake lining material is designed to withstand this heat and continue to provide effective friction.

5. Installation of Brake Lining Kit

Installing a brake lining kit is a job that requires mechanical expertise, as it involves disassembling and reassembling critical brake components. Here’s a step-by-step guide to installing a brake lining kit on drum brakes:

a. Tools Needed:
  • Jack and jack stands
  • Wrenches and sockets
  • Brake spring tool
  • Brake shoe adjusting tool
  • Torque wrench
b. Step-by-Step Installation Process:
  1. Prepare the Vehicle:
    • Park the vehicle on a level surface and engage the parking brake.
    • Loosen the lug nuts on the wheels and raise the vehicle using a jack. Secure it with jack stands.
    • Remove the wheels to access the brake drums.
  2. Remove the Brake Drum:
    • Slide the brake drum off the hub. If it is stuck due to rust or brake dust buildup, gently tap it with a mallet to loosen it.
  3. Disassemble the Brake Shoes and Springs:
    • Using the brake spring tool, remove the return springs and other hardware.
    • Detach the brake shoes from the backing plate, taking care not to damage the adjuster or wheel cylinder.
  4. Clean the Components:
    • Clean the brake drum, backing plate, and adjuster with brake cleaner to remove dust and debris.
    • Inspect the drum for wear or damage. Resurface or replace it if necessary.
  5. Install New Brake Linings:
    • Attach the new brake linings to the brake shoes as specified in the kit instructions.
    • Reassemble the brake shoes and springs onto the backing plate, ensuring that all components are properly aligned.
  6. Adjust the Brake Shoes:
    • Use the brake shoe adjusting tool to set the correct clearance between the shoes and the drum.
  7. Reinstall the Brake Drum:
    • Slide the brake drum back over the brake shoes, ensuring a snug fit.
    • Reinstall the wheels and lug nuts, then lower the vehicle.
  8. Test the Brakes:
    • Test the brakes by gently pressing the brake pedal to ensure proper engagement.
    • If necessary, adjust the parking brake to ensure that it holds the vehicle securely.

6. Maintenance of Brake Linings

Regular maintenance of the brake system is crucial to ensuring the longevity and performance of the brake linings. Here are some key maintenance tips:

a. Regular Inspections:
  • Inspect the brake linings for wear and tear. If the lining thickness is below the manufacturer’s recommended limit, replace them immediately.
b. Brake Fluid Check:
  • Ensure that the brake fluid level is adequate and that there are no leaks in the hydraulic system. Low brake fluid can affect the performance of the brake linings.
c. Proper Adjustment:
  • Brake shoes should be properly adjusted to maintain the correct clearance between the lining and drum. This prevents premature wear and ensures optimal braking performance.
d. Cleanliness:
  • Keep the brake components clean and free from dust, debris, and grease. Contaminated brake linings can reduce braking efficiency.

7. Common Issues with Brake Linings

Several issues can arise with brake linings, affecting the performance of the braking system:

a. Premature Wear:
  • Brake linings can wear out faster than expected due to aggressive driving habits, improper installation, or poor-quality materials.
b. Brake Noise:
  • Squealing or grinding noises may indicate that the brake linings are worn out or contaminated. In some cases, the linings may be glazed from excessive heat, reducing their effectiveness.
c. Reduced Braking Power:
  • Worn or damaged brake linings can lead to a reduction in braking power, increasing stopping distances and compromising safety.
d. Brake Fade:
  • Brake fade occurs when the brake linings overheat and lose their ability to generate sufficient friction. This is more common in high-performance or heavy-duty applications.

8. Conclusion

A brake lining kit is a vital component for maintaining the braking system of a vehicle. By providing the necessary friction to slow and stop the vehicle, brake linings play a critical role in ensuring safety and performance. Understanding the materials, installation process, and maintenance requirements for brake linings helps vehicle owners and technicians ensure that their brakes remain in optimal condition. Regular inspections, proper installation, and timely replacement of worn brake linings will ensure a smooth and safe driving experience.

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