Disadvantages of Resurfacing Brake Rotors: When It's Not Worth the Effort

For many car owners, the question arises whether it is cost-effective to resurface brake rotors (or disks) or simply replace them with new ones.

The Cost of Doing the Resurfacing

Resurfacing brake rotors can be a penny-wise but pound-foolish decision. If you do not have access to a lathe or a friend with one, you will have to pay a machine shop to do the job. In 2022, the typical cost in the US ranges from $40 to $65 per rotor. This is from Resurface Brake Rotors Cost - In 2022 - The Pricer. When compared to the cost of new rotors, resurfacing may not always be the most economical choice.

Ensuring Proper Thickness After Resurfacing

After resurfacing, it is crucial to ensure that the rotor thickness remains above the manufacturer's minimum thickness specification. Failing to do so can result in unsafe driving conditions. Ensuring the proper thickness is a must to maintain vehicle safety.

Additional Time Required for the Job

If you are doing the brake servicing yourself, resurfacing the rotors may require additional time and resources. For instance, you might need another car to take the rotors for resurfacing. Alternatively, having a second set of front rotors ready to install when needed can save you a lot of hassle. Personally, to avoid this extra work, I maintain two sets of rotors—one on the car and one ready to go when needed.

Warning: Messing with Brakes is Dangerous

Working on your car's brakes is not just about saving money; it can also be hazardous. If you are unsure about what you are doing, it is best to leave the brake work to a professional. Improper work on brakes can result in poor performance or even failure, which can endanger the safety of you, your family, and other road users.

Pros and Cons of Resurfacing Brake Rotors

Pros: It provides a smooth, new-like surface for the brake pads, enhancing braking performance. It helps remove any buildup of stiction from the previous pad material.

Cons: The resurfaced rotor is thinner and may not dissipate heat as well as a solid rotor, which can lead to warping and damage to the pad surface. Unless there is significant pitting, it is generally advisable to replace the rotors, especially when replacing pads, to ensure longevity and safety.

While resurfacing can offer a temporary solution, it is often wiser to replace the rotors, especially when they are due for change, to maintain optimal performance and safety on the road.

Conclusion

When considering whether to resurface brake rotors or replace them with new ones, it is essential to weigh the cost, time, and safety implications. In many cases, replacing the rotors may be the better and safer choice.