Bosch Brake Disc Set - Solid - Rear Axle - 280mm

This is a set of two solid brake discs from Bosch, designed for the rear axle. The discs have an o...

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eBay2x Brake Discs Pair Solid fits ROVER 75 RJ 2.5 Rear 99 to 05 280mm Set Bosch New
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My Motor WorldBosch 0986478837 Brake Disc (Bd737)
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Product Information

Full details

This Bosch brake disc set is designed for vehicle owners needing reliable replacement rear brake rotors. Its key benefit is ensuring consistent stopping power and durability, fulfilling the stringent ECE-R90 norm. A potential caveat is the need to verify vehicle fitment using the provided tools or by contacting support, as this is a specific rear-axle component. The set includes two solid brake discs with a 280mm outer diameter and 10mm thickness, featuring 5 bolt holes and protected by an oil coating for surface preservation.

All features

Model Part Number0986478837
BrandBosch

Extended Product Information

FAQs

Are these brake discs suitable for all vehicles?

No, these discs are specifically designed for the rear axle with a 280mm outer diameter and 5 bolt holes. Always use the vehicle fitment tool or contact support to confirm compatibility with your specific car model.

What does the ECE-R90 norm signify?

The ECE-R90 norm is a European standard that ensures replacement brake parts meet or exceed the performance and safety standards of the original equipment manufacturer (OEM).

Why are the brake discs oiled?

The oil coating is a protective layer applied during manufacturing to prevent corrosion and rust on the disc surface during shipping and storage. It should be removed with a brake cleaner just before installation.

Can I install these myself?

Brake replacement is a critical safety procedure. While possible for experienced individuals, it is strongly recommended to have these brake discs installed by a qualified mechanic to ensure proper fitment and function.

How do I perform the brake bedding-in procedure?

After installation, perform a series of moderate stops from a moderate speed (e.g., 30-50 mph) without coming to a complete halt. Repeat this 5-10 times, allowing a short cooling period between stops. Avoid hard braking for the first 200 miles.

What is the difference between solid and vented brake discs?

Solid discs are a single, solid piece of metal, suitable for most standard driving. Vented discs have internal vanes to improve airflow and heat dissipation, making them better suited for heavy-duty use or high-performance applications where temperatures can rise significantly.

Troubleshooting

Brake judder or vibration

Ensure discs were installed correctly and mating surfaces were clean. Warped discs may require replacement. Check for uneven pad material transfer.

Squealing or abnormal noise

This can sometimes occur during the bedding-in period. Ensure pads are correctly seated and lubricated. Check for debris or wear on pads.

Reduced braking effectiveness

Verify proper installation and pad condition. Ensure brake fluid is at the correct level and free of contamination. Bed-in procedure may need to be repeated.

Pros and Cons

Pros

  • Meets ECE-R90 standard for assured quality and performance.
  • Oiled surface provides initial protection against corrosion.
  • Solid disc design is suitable for a wide range of standard driving conditions.
  • Direct replacement part designed for specific rear axle fitment.

Cons

  • Requires careful verification of vehicle compatibility.
  • Solid discs may offer less heat dissipation than vented discs in extreme conditions.
  • Requires professional installation.

Setup, Compatibility & Care Instructions

Compatibility Verification: Before installation, it is essential to confirm that these brake discs are compatible with your specific vehicle's make, model, and year. Use the provided vehicle fitment tool or consult with a professional if you are unsure. These discs are designed for the rear axle and have specific dimensions (280mm outer diameter, 10mm thickness, 5 bolt holes).

Installation: Installation should be performed by a qualified mechanic following the vehicle manufacturer's service manual. This typically involves removing the old brake disc and caliper, cleaning the mounting surface, and installing the new disc securely. Always replace brake pads when replacing brake discs.

Care: Upon receiving the discs, their oiled surface should not be wiped off until just before installation. Clean off the oil coating with a suitable brake cleaner *only* when ready to mount them. After installation, follow the recommended brake bedding-in procedure to ensure optimal performance and prevent glazing. Avoid harsh braking for the first few hundred miles.

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