When to Use heavy duty truck brake lining?

Author: Janey

Aug. 11, 2025

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When Should You Replace Your Semi-Truck Brake Lining? - Allmax

The safety of drivers and passengers on the road depends on a well-maintained semi-truck. One of the most important components of a truck's safety system is its brakes. Keeping the brakes in good working order is essential to prevent accidents, minimize the impact of wear and tear, and ensure that the vehicle can stop quickly when necessary. In this article, we will discuss when you should replace your semi-truck brake lining.

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Signs That Your brake lining Needs to Be Changed

The brake lining for each brake should be no less than in truck.
 

The brake lining is part of the truck's brake system that comes in direct contact with the brake drum or rotor. Over time, the lining wears down and needs to be replaced. There are several signs that indicate that your brake lining needs to be changed. One of the simplest and most obvious signs is when the lining has worn down to its limit and has become too thin to perform efficiently. If you notice that your semi-truck's brake pedal has less resistance and takes longer to stop, it's time to check your brake lining. When you examine your Brake Pad, if you find that it has less than ¼ inch thickness of lining, it's time to replace it.

Another warning that your brake lining is worn out is squeaking or grinding noises when you apply the brakes. This sound is caused by the metal backing of the brake pad coming into contact with the metal rotor or drum. It's crucial to address such sound immediately as it can cause further damage to the brake and rotor.

The Importance of Replacing Brake Lining on Time

Replacing the brake lining is critical to your truck's safety as it plays a significant role in the vehicle's braking performance, which translates into stopping the truck quickly and reliably. If you neglect to replace your brake lining on time, it can result in a brake failure that can cause an accident on the road. Failing to change the brake lining on time can cause the brake's metal backing to rub against the metal rotor or drum; this can cause costly damage to the truck's braking system.

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How Often Should You Replace the Brake Lining?

The average lifespan of a semi-truck brake lining varies depending on the driver's operation habits and the type of roads they drive on frequently. However, for most trucks, brake linings should be replaced every 100,000 miles. Occasionally, frequent hard braking or hauling heavy loads can significantly shorten your brake lining's life - in these instances, you should replace them more frequently.

Contact us for more information about semi-truck maintenance.

Conclusion

In conclusion, the brake system is the most important safety feature of a semi-truck. Keeping your brake lining in good condition is necessary to minimize the impact of wear and tear and to ensure that your truck can stop promptly and efficiently. Signs that your lining needs replacement include a ling brake pedal and metal on metal sounds. Replacing the brake lining is critical for your safety and your truck's maintenance, and it's necessary to replace your brake lining every 100,000 miles - with more frequent replacements, if necessary. If you have any questions or concerns about semi-truck maintenance, please feel free to contact us. As your trusted supplier, we are more than happy to help you keep your truck in excellent condition.

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difference of high vs low cost brake linings - Truckers Report

Most of the time the cost difference between brake linings on the same style shoe is due to the weight rating of the axle braking capacity.

The cheaper shoes will have a weight rating of 20,000 Lbs. The higher price shoes will usually have a weight capacity of 23,000 Lbs. The higher weight capacity will stop the truck faster with less applied air pressure to the braking system, but will also have a higher coefficient of friction. The higher friction capacity of the 23,000 lb shoes will wear the brake drums faster and usually means that you'll have to purchase new drums at the next brake job. I always run the 23,000 Lb brake shoe for the fact that I can stop in a shorter distance than I can with the 20,000 Lb shoes in an emergency situation. You also don't want to mix and match these shoes on the same axle...........you really don't want to mix and match them on the same truck in my opinion. The 20,000 lb shoes can be found easily on the road if you have a break down and need new shoes quickly. Most on road/on call service repair shops won't carry the 23,000 lb shoes.
There's a trade off. With better linings come increased drum wear. Something has to wear when you are dealing with friction. But the ability to handle heat is better, thus reducing glazing and fade and increased effectiveness.

According to the NHTSA and their tests, OE (original equipment) linings will out perform AM (after market) significantly.
Maintenance issues play a big role on how long they will last too. Not properly adjusted or a rough drum will wear them out quicker.

Does it say Made in China on the box?
They definitely stop faster and since I usually replace the drums anyway the added wear isn't a big deal. You can tell the difference immediately, they grab hard. But like Mr.Haney said I wouldn't mix and match, I did by accident. Put the better shoes (grade 5's i believe) on one side of an axle and abex on the rest of the trailer. The wheels with the better shoes would lock up.

If you want to do some reading this is kind of interesting. It's an "S-Cam Brake Effectiveness Comparison
Using Two Fixtures and Two Lining Types on a Single Inertia Dynamometer"
...and if the cheap shoes had enough friction to lock the brakes how exactly would more expensive shoes have helped?

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