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2026
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Brake failure is very dangerous. Remember to clean this little thing.
Speaking of which, the thing truck drivers worry about most while driving is brake failure. The braking performance of a truck is directly related to driving safety, and as the most important component, drivers often perform maintenance on the braking system.
Many truck drivers even spare no expense to maintain and modify the braking system, yet sometimes the brakes still don’t work very well. What exactly is going on?
▎Precautions for Truck Drivers When Maintaining the Brake System
When truck drivers maintain the brake system, they usually pay attention to parts such as brake pads and engine oil, but there is a small part that is often forgotten to clean, which is the adjustment arm.
Currently, most trucks still use drum brakes. With wear caused by braking, the braking gap between the drum brake’s brake drum and brake pads will gradually increase. This requires adjusting the brake gap with the brake adjustment arm to ensure effective and reliable braking.
If the brake clearance is not adjusted in time or the adjustment is not standardized, the brake clearance of each wheel cannot be kept consistent, which will affect the braking performance of the truck and, in severe cases, may even lead to safety accidents. Most drivers often adjust the adjusting arm to ensure that the braking system functions properly, but few drivers clean the adjusting arm.
Truck drivers who drive long distances all know that the underside of the truck is the dirtiest part of the vehicle, especially the control arms, which are a real trouble spot. Generally speaking, the control arms require a large amount of grease for lubrication.
However, this also brings a problem: they easily attract dust, dirt, and other debris. If not cleaned regularly, a lot of dust and grime can enter the internal parts through the gaps. Of course, the most important thing is that when too much dust accumulates, it can affect the daily operation of the control arms.
So, when you feel that the brakes are not working effectively, instead of rushing to replace the brake pads, you can try cleaning the control arms first. The cleaning method is very simple; you just need to use a carburetor cleaner. After cleaning, don’t forget the dirt around the worm gear (adjusting screws).
Of course, cleaning the control arm is just a small detail. Brake failure can have various causes, and when it occurs, the entire brake system must be thoroughly checked to ensure daily driving safety. During routine vehicle maintenance, it is also important to pay attention to cleaning the control arm, as this can also extend the lifespan of the brake system. Fellow drivers, if you have any tips for dealing with brake failure, feel free to share them.
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