Car brake discs used OE

Car brake discs used OE

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Car brake discs

Brake discs, also known as rotors, are crucial components of any vehicle's braking system. They work with brake pads, generating the friction needed for a safe stop.

Crafted from robust materials like cast iron, steel, or advanced composites, discs are designed for durability, to dissipate heat, and prevent overheating and dangerous cracks.

We offer a comprehensive selection for front axles and rear axles, compatible with popular manufacturers like Toyota, VW, Ford, and BMW. High-quality discs guarantee superior performance, enhanced driving comfort, and long-lasting reliability.

For high-performance sports cars or vehicles under heavy use, we recommend ventilated or slotted discs for more efficient cooling of the braking system.

When to Replace Your Brake Discs: Key Symptoms of Wear

Brake discs are essential for safely slowing your vehicle, so spotting signs of wear is crucial. Listen out for unusual sounds such as a high-pitched squealing, harsh grinding, or scraping when you brake. You might also feel vibrations, such as a pulsating pedal or a shaking steering wheel, which often signal warped discs or uneven wear.

Other warning signs include longer stopping distances, reduced braking effectiveness, or your car pulling to one side. If your dashboard brake warning light illuminates, a professional assessment is vital.

Visually inspect the discs for:

  • deep grooves,

  • cracks,

  • a rough texture,

  • a bluish tint suggesting excessive heat,

  • raised edges, or 'lips'.

Typically, brake discs require replacement every 50,000 to 70,000 kilometres, usually when you have your brake pads serviced.

Braking Disc Selection: Vented, Drilled, and Grooved Options

Selecting the appropriate brake disc is crucial for enhancing stopping power and overall safety. Your driving style and vehicle's primary use are key factors to consider. We'll now look at three common types: vented, drilled, and grooved.

Vented discs feature inner channels that facilitate rapid cooling, a design crucial for heavier vehicles or aggressive braking styles. This construction prevents excessive heat build-up, ensuring consistent and powerful braking performance, especially during frequent stops.

Drilled discs, featuring small perforations, efficiently dissipate hot gases and water from the disc surface. This design leads to faster initial braking response and enhanced overall performance, proving particularly beneficial in wet conditions.

Grooved discs incorporate channels that effectively clear away brake dust, hot gases, and water, ensuring the pad maintains optimal contact with the disc. This results in consistent stopping power and sustained performance, making them ideal for both sporty driving and heavy loads.

Understanding Brake Disc Minimum Thickness and MOT Requirements

Selecting the correct brake disc is paramount, but understanding its wear limits is equally vital for road safety. Every disc has a specific minimum thickness, a limit set by manufacturers and usually marked as 'MIN TH' on its edge. Technicians use a micrometer to check this precise measurement.

Should a disc wear past this threshold, its crucial functions are compromised; both its ability to dissipate heat and withstand mechanical stress diminish, posing a significant risk of brake failure.

During a UK MOT test, excessively thin discs result in a 'Major fault', causing immediate failure. A loose disc is considered a 'Dangerous defect', while those merely approaching the limit will only receive an advisory note, often requiring checks of related components like brake lines.

Why You Should Replace Brake Pads and Discs Together

For optimal safety and peak performance, always replace both brake pads and discs at the same time.

This critical practice ensures:

  • extended longevity for your entire braking system,

  • prevention of rapid and uneven wear that occurs when new pads are fitted onto worn discs,

  • avoidance of scratching the new disc fresh surface if you were to use old, worn pads,

  • no diminishing of stopping power,

  • prevention of potential noise or vibrations caused by mismatched components,

  • a perfect surface match for optimal friction and performance,

  • prevention of costly issues and potential brake failure.

After replacement, a crucial 'bedding-in period' is essential. Drive gently for approximately 200km to properly seat the new pads before you test the brakes' full capacity.

How Much Does It Cost to Replace Brake Discs in the UK?

The expense of replacing brake discs and pads in the UK varies significantly. For a complete set covering both axles, expect to pay between £325 and £500 for smaller vehicles, while larger cars or SUVs could see costs exceed £700. If only one axle needs attention, the cost typically ranges from £150 to £400.

When considering brake replacement, several factors and actions are crucial:

  • your vehicle's make and model,

  • the calibre of components selected,

  • local labour charges,

  • obtaining multiple estimates from various garages or main dealers,

  • entrusting the task to a qualified mechanic to guarantee your safety and preserve your vehicle's warranty.

Be aware that additional services like caliper servicing or a brake fluid change can increase the overall expenditure.

At Ecooparts, we offer a wide range of high-quality components for every budget.  Shop our full selection of brake discs and pads today and drive with confidence, knowing you have chosen reliable brake kits.