Tips Sahabat

Should the Brake Disc Be Replaced? Check the Signs!

10 April 2025
Apakah Piringan Cakram Harus Diganti? Simak Cirinya!

Should the brake discs be replaced? This question is often asked by novice car users in the online world. So, is it necessary? For more details, please pay attention to the following review. 

Do Car Brake Discs Need to Be Replaced? 

Talking about car braking systems is very complex. There are several components within it that work together to ensure the braking system can achieve maximum braking results, such as brake pads and brake discs. 

If the brake pads are worn out, then this component needs to be replaced to avoid braking issues. So, does the brake disc also need to be replaced? The answer is yes, it needs to be replaced. 

So when is the right time to replace the brake discs? Brake disc replacement should be done when the following signs appear. 

1. The condition of the disc is thin

The thickness of the brake disc that has become thin is an early sign that this component needs to be replaced immediately. As is known, the brake disc has a thickness of 11 mm. If the thickness of the brake disc decreases by 1/3 of the standard thickness value, then this component must be replaced. If not replaced immediately, it will cause the brake disc to crack and overheat, endangering the driver's safety.

2. The brake disc is cracked or damaged

As explained earlier, a cracked or damaged disc can endanger the driver's safety if not replaced immediately. Because a cracked or damaged brake disc reduces braking function. 

3. The surface of the brake disc is uneven

An uneven surface of the brake disc is also a sign that this component needs to be replaced. The uneven surface of the brake disc is usually caused by improper or imprecise installation of the brake disc, or by worn brake pads that are not replaced promptly.

4. The brake disc is scratched or has rust

The presence of scratches or rust on the brake disc is also one of the signs that this component needs to be replaced immediately. Scratches on the brake disc are usually caused by worn brake pads that are not replaced promptly, causing the worn brake pads to damage the metal part of the brake disc during braking. Meanwhile, rust on the brake disc is usually caused by moisture factors.

5. The car's braking performance has decreased

When the performance of the car's braking system decreases and cannot grip the asphalt surface well, it is also a sign that the brake disc needs to be replaced immediately. Because suboptimal braking is usually caused by wear on both the brake pads and the brake disc.

Benefits of Regularly Replacing Brake Discs 

There are several benefits to be gained if you regularly replace the brake discs according to the service schedule.

1. Extending the lifespan of the car's braking system components

As is known, in the car braking system, there are not only brake discs but also many other components within it. If you replace the brake discs according to the recommended service schedule, you can extend the lifespan of other components as well. It is known that the performance of each component in the braking system is interconnected.

2. Optimizing the performance of the braking system

In addition, regularly replacing brake discs can have a significant impact on the performance of the braking system. As is known, the brake disc is a component that functions to receive the pressure or friction force applied by the brake pads during the braking process. If this component is in good condition and not worn, it will certainly improve grip during braking. 

Considering that replacing brake discs is important, let's check the condition of this component on your car. If it starts to wear out, immediately replace it at the nearest official Daihatsu workshop

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