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When to Replace Brake Rotors

Brakes consist of many parts. Some are more familiar, such as brake pads and fluid, and some are lesser known, but equally as important, such as brake rotors. Because they are often overlooked, Nissan 24 in Brockton, MA has prepared information on the purpose and lifespan of brake rotors. For safety, knowing when to replace brake rotors is extremely important.

What Are Brake Rotors?

Brakes utilize friction to stop the vehicle’s wheels from spinning. To create this friction, brake pads clamp onto the brake rotors, or discs. This process generates a lot of heat and may cause other problems, so two types of brake rotors have been designed: drilled and slotted. Drilled brake rotors have holes drilled in them to allow heat, gas and moisture to escape so that brakes do not become faded. Slotted brake rotors use carved slots as canals to release heat, gas and moisture.

These different constructions serve their usefulness in different calibers of cars. High-performance cars will likely use slotted brake rotors, whereas the typical street car will use drilled rotors. Although slotted brake rotors are much more efficient than their drilled counterparts, they do tend to require replacing much more often.

Recommended Replacement Intervals for Brake Rotors

brakerepairguyDue to the difference in performance and design of brake rotors, replacement can be needed anywhere between 15,000 and 70,000 miles. Your type of brake pads can also influence how often the rotors will need to be replaced. Your car serviceman will be able to recommend replacement times by inspecting the average wear of your driving style and the types of brake pads and rotors installed in your vehicle. Learning about smoother braking and less aggressive driving may help brake parts last longer.

Signs Your Brake Rotors Need Replacing

Especially tough brake pads have their place, but a large buildup of iron dust is a big sign that your brake rotors must be replaced or that your pads are far too tough. Brake rotors must also meet a minimum thickness in order to be considered effective and safe. A serviceman or yourself can measure this thickness through a routine inspection.

There is a difference between typical (and necessary) wear on brake rotors and wear from aggressive brake pads. For brake rotors and some other car parts to function properly and self-maintain, knowing the everyday wear placed on your breaks is important. However, if you notice that your brake rotors are needing replacing far too often, inspecting your brake pads and possibly changing your driving style are both methods to identify, and correct, the cause.

Replace Your Rotors in Brockton

With a dealership located conveniently in Brockton and servicing the Randolph and Stoughton areas, Nissan 24 can provide residents of Massachusetts with more than just great cars. Quality service and inspections are only a phone call away. For more information, feel free to contact us at (888) 598-7072, or schedule your next brake appointment online. We will assist you with all of your Nissan needs.


Check out our current brake specials