This is a pair of Bosch solid rear brake discs. The part number is 0986479465. These brake discs a...This is a pair of Bosch solid rear brake discs. The part number is 0986479465. These brake discs are designed for rear axle fitment and have an outer diameter of 286mm. The brake disc thickness is 12mm, with a minimum thickness of 10mm. They feature a coated surface and fulfill the ECE-R90 norm. The number of bolt holes is 5, with a bolt hole circle diameter of 112mm and a centering diameter of 65mm. The drill diameter is up to 15.3mm. The rotor style is solid, and the function is a brake disc. This is a coated, solid brake disc rotor for the rear axle, fulfilling ECE-R90.
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Product Information
Full details
This guide is for vehicle owners and mechanics seeking reliable rear brake disc replacements for their vehicles. The key benefit is enhanced braking performance and safety due to Bosch's quality manufacturing and ECE-R90 compliance. A potential caveat is ensuring compatibility with your specific vehicle model before purchase. These are a pair of solid, coated rear brake discs featuring a 286mm outer diameter and designed for a 5-bolt pattern.
All features
Model Part Number
0986479465
Brand
Bosch
Extended Product Information
FAQs
Are these brake discs suitable for all vehicles?
No, these brake discs are designed for specific vehicles based on their dimensions and rear axle fitment. Always check your vehicle's compatibility using the part number and specifications provided.
What does ECE-R90 norm mean?
The ECE-R90 norm is a European regulation that certifies that replacement brake parts meet or exceed the performance of original equipment parts in terms of safety, performance, and durability.
How long does the coating on the brake discs last?
The coating is primarily for protection during transport and storage and to prevent initial corrosion. It is expected to wear off during the normal braking and bedding-in process.
Can I install these myself?
While possible for experienced DIYers, brake system work is critical for safety. Professional installation by a qualified mechanic is highly recommended to ensure correct fitment and function.
What is the minimum thickness for these brake discs?
The minimum thickness specified for these brake discs is 10mm. Exceeding this limit requires replacement.
Should I replace brake pads at the same time?
Yes, it is standard practice and highly recommended to replace brake pads whenever you replace brake discs to ensure optimal braking performance and even wear.
What is the bolt hole circle diameter?
The bolt hole circle diameter is 112mm. This measurement is crucial for ensuring the wheel bolts or studs align correctly with the brake disc.
Troubleshooting
Brake judder or vibration during braking.
This can be caused by uneven rotor surfaces. Ensure the discs were properly installed and bedded-in. Warped rotors may require replacement.
Squealing noise during braking.
Squealing can result from various factors, including worn brake pads, dust, or vibration. Ensure new, compatible brake pads were installed and check for proper pad seating. Sometimes, specific brake grease on the pad backing plate can help.
Reduced braking effectiveness.
Check brake pad thickness, brake fluid level, and look for leaks in the brake lines. Ensure the brake discs and pads are compatible and properly bedded-in.
Visible rust on the coated surface.
Surface rust can appear on coated brake discs, especially after exposure to moisture. This is often normal and will typically wear off after the first few braking applications. If the rust is deep or causing pitting, consult a professional.
Pros and Cons
Pros
Meets stringent ECE-R90 safety standards.
Durable coated surface for corrosion resistance.
Solid rotor design for reliable performance.
Precise dimensions ensure proper fitment.
Designed for optimal rear axle braking.
Cons
Solid rotors may offer less heat dissipation than vented types under extreme conditions.
Requires professional installation for optimal safety and performance.
Compatibility must be verified for specific vehicle makes and models.
Coating may wear off after initial use.
Setup, Compatibility & Care
Setup:
Compatibility Check: Before installation, verify that the Bosch part number 0986479465 matches your vehicle's specifications for rear brake discs, paying close attention to the 286mm diameter, 5x112mm bolt pattern, and axle fitment.
Professional Installation Recommended: Due to the critical safety nature of braking systems, it is strongly recommended to have these brake discs installed by a qualified mechanic.
Bedding-In Procedure: After installation, follow the manufacturer's recommended bedding-in procedure to ensure optimal performance and longevity. This typically involves a series of moderate stops from varying speeds without bringing the vehicle to a complete halt.
Compatibility:
Rear Axle Fitment: These discs are specifically designed for the rear axle.
Dimensions: Key dimensions for compatibility include 286mm outer diameter, 12mm thickness, 5x112mm bolt hole circle, and 65mm centering diameter.
Care:
Regular Inspection: Periodically inspect brake discs for signs of wear, such as deep grooves, scoring, or thinning.
Cleaning: The coated surface requires no special cleaning, but the entire braking system should be kept free of excessive dirt and debris. Avoid using high-pressure water jets directly on the brake components.
Listen for Noises: Unusual noises during braking (e.g., grinding, squealing) can indicate wear or other issues that require immediate attention.