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The Daily Insight

Do back rotors need to be replaced?

Author

John Thompson

Published Apr 06, 2026

Do back rotors need to be replaced?

Like brake pads, brake rotors wear out over time. Their rotors are made from a softer metal, so by the time their pads wear down, the rotors are already below what we call the “discard thickness.” This means that the rotor has already reached the minimum acceptable thickness and must be fully replaced.

How much does it cost to replace back rotors?

Brake rotor replacement costs will cost between $200 and $400 for the parts and about $150 in labor costs. This means that you are looking at around $350 to $500 for a total brake rotor replacement job.

Can I put new brake pads on old rotors?

If new brake pads are put onto a vehicle with damaged rotors, the pad won’t properly contact the rotor surface, reducing the vehicle’s stopping ability. Deep grooves that have developed in a worn rotor will act as a hole-puncher or shredder and damage the pad material as it is pressed against the rotor.

What happens when you put new brake pads on old rotors?

How to get 10% off brake rotors?

10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only Brake rotors are among the most durable parts in your car. However, over time, due to the stress of daily driving, brake rotors wear out. Learn the different types of brake discs and rotors here. What Is a Brake Rotor?

Do you need to change your brake rotors?

Whether you’re looking to replace your stock quality rotors, or you want to boost your brake system’s power, AutoZone has all the parts you need to do-it-yourself and save on your brake rotor replacement cost. If you’ve never changed rotors before, check out our DIY brake job guide.

Where can I buy rotors for my car?

Your local AutoZone has everything you need to do the job right. Get rotors shipped to your home or pick them up at a store near you today. Return core parts to the store to be refunded the price. Orders $35 or greater, includes APO, FPO, DPO addresses. Save time by buying online and picking up items in store. Offers & Savings!

Do you need brake rotors for a BMW 650i?

Restore your vehicle’s braking power with new rotors from AutoZone. Whether you need BMW 650i brake rotors, or rotors for any other major vehicle, we have the rotors you are looking for. If you need something like a brake rotor tool or any other tools or parts for your job, we have that too.

What should I use to replace my brake rotors?

Clean the surface where the old rotor was so that the new one can be mounted on a clean surface. Due to corrosion, you may be forced to scrap the rust with a soft brush. Inspect and replace any of the bearings and grease seals. Ensure that the new brake rotor is spotlessly clean. You can use brake cleaner solvent to clean any particles.

Is it easier to replace brake rotors with slotted slots?

The disadvantage of using slotted slots is that they corrode the brake pads faster than the blank rotors. The drilled rotors are less durable due to the materials used. They also do not last long because the material has been removed from the disc. Replacing brake rotors is fairly straightforward if you have the necessary tools.

How often are new rotors needed?

First rotors are a disposable items and will need replacing anywhere from 15,000 to 70,000 miles into their use depending on your driving style and the type of brake pads used.

Why do my brake rotors pulsate when I press the pedal?

If the wearing out is excessive, you will feel it in the brake pedal. The warped brake rotors may also cause the brake pedal to pulsate whenever it is pressed. The reason for this is that the pedal is no longer coming into contact with the rotor. Driving the car with vibrations can be dangerous especially at high speeds.