Spare parts brake shoe

Types of Spare Parts Brake Shoe

A spare parts brake shoe is a curved metal piece in a drum brake system. It provides a surface for friction material to slow down or stop the vehicle during braking. The brake shoe sits inside the brake drum and gets pushed outwards when a driver steps on the brake pedal. This action brings the vehicle to a halt by rubbing the friction material on the inner surface of the brake drum.

Brake shoes are an essential part of a vehicle's drum braking system. They come in various types, including:

• Standard brake shoes

  Standard brake shoes are the most commonly used in vehicles. They have a simple design and work well in various conditions. Standard brake shoes are made of cast iron or steel and have brake linings attached to them. The linings provide the needed friction to stop the vehicles. Standard brake shoes are reliable and cost-effective. They are an excellent choice for regular driving and light-duty trucks.

• Self-adjusting brake shoes

  Self-adjusting brake shoes have a built-in system to keep the brake lining thickness even. This feature reduces the need for regular manual brake adjustments. The self-adjusting brake shoes have a ratchet and lever mechanism. This system automatically adjusts the shoes and maintains the proper distance from the brake drum. Drivers don't need to apply much force on the brake pedal. Self-adjusting brake shoes are suitable for heavy trucks and commercial vehicles that require frequent braking.

• Composite brake shoes

  Composite brake shoes are becoming more popular in modern vehicles. They use composite materials like aluminum or magnesium. These materials reduce the brake shoe's weight without compromising its strength. Lighter brake shoes improve vehicle performance and fuel efficiency. Composite brake shoes also have excellent heat dissipation. This feature ensures the brakes work well, even in extreme conditions. For example, during steep descents or long highway drives.

• Ventilated brake shoes

  Ventilated brake shoes have special designs that improve cooling. The shoes have vents or holes that allow air to flow through. This feature helps to cool down the shoes quickly and reduces overheating risks. Ventilated brake shoes are ideal for high-performance vehicles. Sports cars that need frequent and strong braking can benefit from these shoes.

• Drilled and slotted brake shoes

  Drilled and slotted brake shoes have holes or grooves on their surface. These features improve the brakes' bite and reduce noise during braking. The holes provide extra friction, while the grooves clear debris and water from the friction surface. Drilled and slotted brake shoes are suitable for off-road vehicles and racing cars, where reliable braking is critical.

Specification and maintenance of spare parts brake shoe

Specific details of spare parts brake shoes are as follows:

• Material:

  The brake shoe lining is made of friction material. This is usually metal. It is designed to resist wear and provide a good friction surface against the brake rotor. Common materials used for lining include cast iron, composites, and semi-metallic materials.

• Brake shoe size:

  This is the diameter and size of the brake shoe assembly. It must be the same as the vehicle's brake drum size to ensure proper fit. Brake shoes come in different sizes based on the vehicle type. For example, a small car may use a 180 mm diameter shoe, while a truck may use a 250 mm diameter shoe.

• Brake shoe design:

  There are different designs of spare parts brake shoes. This includes the number of pistons and the type of friction material used. They include:

  - Single piston design: This brake shoe has one piston pushing the lining against the brake drum. It is a simple and effective design for most small cars.
  - Twin piston design: This brake shoe has two pistons (one at each end) pushing the lining. This gives more even wear and better braking performance. It is commonly used in sports cars or vehicles carrying heavy loads.
  - Friction material: Vehicles that produce little noise use organic materials as friction. Semi-metallic materials are used for vehicles that need high performance and good durability.

• Brake shoe adjustment:

  New brake shoes must be adjusted properly within the brake drum to ensure even contact and avoid dragging. This is done using the brake shoe adjuster or manually using a brake shoe adjusting tool.

• Brake shoe weight:

  The weight of a brake shoe varies depending on design and materials used. A typical spare parts brake shoe weighs between 1 to 2 kg. Lighter shoes are used in sports car designs for high speed.

To maintain the spare parts of the brake shoe, the following actions should be taken:

• 1. Inspect the brake shoes regularly for cracks, oil contamination, and wear. This helps to detect defects early and replace the lining before it damages other brake parts.
• 2. Adjust the brake shoes properly to ensure even contact with the drum. This avoids dragging, which causes the lining to wear out quickly and reduces braking performance.
• 3. Clean the brake shoes regularly to prevent dust and dirt from clogging them. A clean brake shoe ensures maximum contact with the drum for effective braking.
• 4. Always use quality spare parts when replacing parts of the brake system. For example, use original equipment manufacturer linings, cylinders, and other parts.
• 5. Avoid overloading the vehicle, as this puts extra strain on the brake shoes and other components. This leads to faster wear and tear, which reduces their lifespan.
• 6. Drive carefully, as aggressive driving with sudden stops puts extra stress on the brake shoes. Moderation in driving helps the brake shoes last longer.
• 7. Ensure that the brake fluid is topped up to the recommended level. Low brake fluid can cause the shoes to drag against the drum, leading to premature wear.
• 8. Take the vehicle for regular servicing, as mechanics have the expertise to detect faults in the brake system and repair them before they cause damage.

How to Choose Spare Parts Brake Shoe

When sourcing brake shoes, wholesalers and retailers should understand the market needs. Here are some factors to consider when choosing spare parts brake shoes:

• Vehicle Compatibility

  One should consider the type and model of vehicles the brake shoes will fit. It is important to source for sizes and specifications that will match popular and common vehicles on the road.

• Quality and Performance

  Premium brake shoes offer better performance and durability. They have a longer lifespan and less frequent need for replacement. This helps customers save money in the long run. It is also important to consider the driving conditions and habits when choosing the quality of the brake shoes. For example, vehicles that drive in rough roads and overload require more heavy duty brake shoes.

• Material

  Brake shoes are made of different materials. Each with their advantages and disadvantages. For example, those made from metals last longer and provide better braking performance. However, they are noisy. Choosing brake shoes made from organic materials offers a more quiet operation.

• Price

  It is important to source for brake shoes that will offer good value for money. Buyers should compare prices of different suppliers and evaluate the quality of products. They should also consider the long term benefits of the products.

• Supplier Reputation

  Buyers should partner with suppliers that have a good reputation. Such suppliers offer high quality products and are trustworthy. They meet their end of the bargain and fulfill their orders. Brake shoe wholesalers can read online reviews about a supplier and get recommendations from other business owners.

• Warranty and After-Sales Service

  Buyers should choose suppliers that offer good warranty terms. In case of defects, the supplier will replace or refund the goods. They should also offer brake shoe fitting and maintenance support.

• Quantity and Delivery Time

  It is important to source for brake shoes that can meet the required quantity. The supplier should also deliver the products within the set timeframe.

How to DIY and Replace Spare Parts Brake Shoe

Replacing a brake shoe is not a particularly complicated task, provided the right tools and spare parts are available. Here is a step-by-step guide on how to replace a brake shoe:

Tools needed:

• Jack and jack stands
• Lug wrench
• Socket wrench
• Brake spring tool
• Brake shoes
• Brake hardware kit

Step-by-step guide:

• 1. First, loosen the lug nuts with a lug wrench, then lift the vehicle with a jack and secure it with jack stands. The wheel covering the brake drum should be removed next.
• 2. Using a socket wrench, the brake drum's mounting screws should be removed. The brake drum can then be taken off by gently tapping it with a hammer to release it from the brake components.
• 3. The existing brake shoes and springs should be removed using a brake spring tool.
• 4. The new brake shoes and brake hardware kit should be installed, and the brake drums should be reattached.
• 5. Finally, the wheel should be replaced, and the lug nuts should be tightened.

Q&A

Q1: How often should one replace brake shoes?

A1: The frequency of replacement can depend on several factors, including driving habits, the type of vehicle, and the material of the brake shoes. However, it's typically recommended to inspect brake shoes every 20,000 to 30,000 miles and replace them if worn out.

Q2: Can users change brake shoes by themselves?

A2: Yes, it is possible to replace brake shoes without professional help. However, one must have a good understanding of the brake system, the right tools, and follow safety procedures. It's recommended to consult a professional or refer to the vehicle's service manual for detailed instructions.

Q3: Do all vehicles use brake shoes?

A3: No, not all vehicles use brake shoes. Most modern vehicles use disc brakes on the front wheels, while brake shoes are typically used in drum brakes, commonly found on the rear wheels of many vehicles. However, some vehicles, especially older models, use brake shoes on all wheels.

Q4: What happens if brake shoes are not replaced on time?

A4: Failing to replace brake shoes on time can lead to several issues, including reduced braking efficiency, damage to the brake drum, and potentially dangerous situations. Worn-out brake shoes can also cause noise and vibration while braking.

Q5: Are there different brake shoes for different vehicles?

A5: Yes, there are various types of spare parts brake shoe sets designed to suit different vehicles and driving conditions. It's essential to choose the right type and size of brake shoes for a vehicle to ensure optimal braking performance and safety.