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One of our readers recently asked us the question: Do you have to clean the holes of perforated brake discs? We can say that this is usually the case for vehicles that are moved “normally” on the road not necessary. However, it is also not harmful to occasionally "free to drill' or by means of compressed air 'to blow free". If, for example, a complete brake pad with the discs was used up, then the holes are very likely to be heavily clogged afterwards. So that the function of the holes (Heat dissipation, better wet braking behavior, since the water vapors produced by the heat cannot build up pressure between the brake disc and brake pad, etc.) is guaranteed, manual cleaning cannot do any harm. Also, the probability of heat cracks occurring due to the closed holes can be minimized. If you decide to clean, then you should be particularly careful with the "pierceMake sure to use a smaller drill bit. under no circumstances material may be removed from the brake disc.
Clean holes in perforated brake discs
Also there is part wire brushes for the drill that fit exactly into the holes in the discs. Nevertheless, one can say that cleaning the holes is technically not necessary for road vehicles. In principle, the holes only prevent the "aquaplaning" of the brake pads on the discs. The rest of the functions (e.g. heat dissipation) is negligible as a percentage. And usually the brake dust plugs will clear up by themselves the next time you drive in the rain "shot out". Incidentally, if you are dealing with carbon/ceramic brake discs, then you should refrain from using the drill and, if possible, open it compressed air/compressed air put. However, if it is absolutely necessary to use the drill, then it is sufficient to turn it with your fingers to clean the holes. And that is also possible with the normal steel brake disc with holes. As a rule, however, the brake dust pushes itself through the holes inwards and flies away. Our conclusion: Can be done, does not have to be!
Of course, that wasn't the end of it!
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